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Web Payments (Chrome Dev Summit 2016)

But if you think registration forms are difficult, we should talk about. Checkout forms a lot more form fields, a lot more questions, but I think that you’re going to see a consistent theme emerging through, like our talks here today, which is this one of let the browser help you. There are certain advantages that we have as a browser, especially when it comes to reducing friction and making life easier for users, especially things around repetitive data steps, things that the users can store inside of the browser’s, but we’re trying to do our expose api’s and give You tools to reduce, friction and make things easier for your users.

We saw it in Koreans, while management and we’ll see a very similar theme with what we’re doing in payments, but first a little user activity just before we go off for lunch, which are some questions. Okay, great so first question just curious: how many people here actually enjoy the process of buying something on the web using their mobile device? Okay, good yeah and some people, but by large? No and whether we should come talk.

I’d love to hear like what is that you’d like about buying things on the mobile web and what it is that you don’t as much a second question, and I would be really impressed here how many people can remember all the details of their credit card. I’r talking full 60 digit number really CVC on expiration. Okay, it’s more than I expected. I got to be honest, like okay, we’re still like under 15 %, but okay cuz I’ve even payments out for like 18 months, and I think I have yet to remember a credit card number, that’s great and then okay final question: how many people enjoy the process Of handing over all their sensitive credit card information to a random third party server I’ll get one.

It’s almost like. I’r asking these questions to lead up to a particular point, and – and there was a points and the reality is that most users finds payment difficult. They find it insecure and scary and frightening and they find the process of doing it on the mobile web, particularly bad, and so we had this number. We talked about it at i/o as well, and it hasn’t really changed, which is that on average, we tend to see about 66 percent fewer conversions on mobile than on desktop and again we think there’s an answer to that, which is all around again high.

Friction the difficulty and issues around trustworthiness and security, and so we’ll talk about sort of how we’re addressing those today and how we’re trying to bring fast, simple and secure payments to the web platform. But this is a little I’m a p.M. It’s a little bit too PME for me actually, and so I have a much better mission for us inside of the chrome team, which is we’re trying to save the world from annoying check out forms.

So I’m trying to save the world from virtual keyboards and having to memorize and all of those terrible things. I actually started this joke of the better payments Bureau a couple of months ago, and now it’s become like a thing so anyway, but actually Chrome has been fighting the good fight against annoying check out forms for many years. Actually, we start with autofill back in the day, you guys are probably familiar with autofill.

This is my one slide on it. It’s not really the topic today, but consider this. My 10 second plea to say: if nothing else leave today and set autocomplete types on your check out forms. It helps us it helps. The users helps the browsers and it basically ensures a hundred percent accuracy on autofill. I’r not here to talk about that today. I’r really here to talk today about payment requests, which is this new API that we’re building for the web to really help solve a lot of the problems I’ve been talking about.

But before I talk about what payment requests is I want to talk about what payment request isn’t and that’s, because payment is complicated. There are a lot of players in this space and I just want to sort of set up fronts and sort of help alleviate any confusion. So the first thing payment request is not a new payment method, so we’re not trying to create Chrome pay or browser pay or yet another X pay button on your website.

That’s not fundamentally our goal. Our goal is to help users pay, that they went the way that they want to pay and do it quickly and efficiently. Secondly, we are not trying to become a gateway or a process or or some entity that literally moves money in the ecosystem. So it’s not we’re not trying to step on any toes here or like enter into this ecosystem. We think that the market has actually done an incredible job here.

Already players like stripe and Braintree and others have done a really stellar job over the last couple of years of taking the incredible complexity of accepting online payments and making it really simple. They’ve removed the burden of things like acquiring banks and all the couples of PCI, and they put it all into a easy-to-use API. And so our goal is to ensure that whatever we do plays really nicely with all these gateways and processors.

But that’s not fundamental goal to become one. The thing about all these great new services, though, is that they’ve really focused on developers, which is great they’ve made your lives easier and it made easier for you to accept payments, but the user experience has largely remained the same. You have to go from the state where you know nothing to a user to everything and formfields tend to be the way that we do this.

So payment request was fundamentally built for users. I mean we think it’s pretty good for developers too, and it’s pretty easy and we’ll sort of talk about code samples. But fundamentally, like my goal, I think about users and how I can help them and help them get through these burdensome flows on mobile, faster and more efficiently. So what exactly is payment request? Well, pay requests, like I said, is a new standards-based, API and standards-based.

I want to emphasize that we joined the web payments working group almost a couple years ago now and every major browser is a vendor. We have financial institutions from around the globe and we’re trying really hard to build something that everyone can integrate, that all forms of payment integrate with and all browsers can do so that users on a variety of devices and ecosystems can continue to leverage and have the Benefit of it, we’re just in the early stages of it and sort of will talk about where we’re at, but that’s sort of fundamentally our goal, and so when we started to think about what design this API looked like.

We had two high-level goals in mind and they sort of reference back to my original question set the first one is we to build a seamless, easy-to-use, checkout experience on mobile? In particular, we wanted to make sure that users like could minimize typing and minimize friction as much as possible, and the second thing is we really want to bring more secure payments into the web platform. In many ways like the web is one of the the last places where it’s very commonplace to exchange over all of your sensitive information to some unknown third party, and even though there’s an answer to this from the payments community.

With regards to tokenization, the web really didn’t have a great answer for that, which is why we’re really excited that we’ve brought Android pay into the web platform and again we’ll continue to expand that. But this brings tokenized forms of payment. So in the events of data breach or other problems, you as a users are protected, but also it also reduces the burden for for you, as developers and merchants, and so those are our two high-level goals that we had and again the idea here, just at a High level is that, if you think of your traditional checkout flow, it looks something like this.

It’s you know anywhere from like two to five pages, maybe one for single page things and you have somewhere between like 10 and 40 form fields where you’re asking a variety of questions. Things like what’s your name, what’s your shipping address, what’s remail, what’s your phone number? What’s yer credit card number, what’s your expiration and then you have users who are like you know trying to like do all this on their mobile device and at some point they’re, like man and I kind of give up, and maybe they go to desktop later or Most likely, they don’t – and you know and Aaron talked a lot about the growth of mobile right, and so we really think we need to fix this and make this easier and the way this happens with payment requests is you can imagine that the browser sort of Plays this role and and helps facilitate checkout across this, the the highest friction point.

So we take that common set of data, those common things that you request and sort of leverage our strengths to make it easier for users to to be successful. So before I could show you a demo, I want to talk about what types of data is actually supported by payment requests. So the first one is probably a little bit obvious, but it’s a form of payments. So, at the end of the day, you need a way to actually request money from the ecosystem, so it needs some sort of form of payments.

Right now in Chrome, we support we support credit cards and Android pay. I put etc on here, because the is to support more but we’ll talk about that a bit more later, and so you always have to request a form of payment. You can’t call payment requests and not want to form a payment that would just be weird and then would just be request: arbitrary user data API. So the other big thing that we allow you to request is shipping address and shipping options so for physical good purchases.

You can leverage the API to say, hey give me their shipping address and then there’s a dynamic mechanism for you to take that address and then populate shipping options that have updated pricing, etc. You can also request a phone number. You can request a an email address, of course, for like sending a receipt or even prompting sign up afterwards and coming soon, actually, but not quite there, but in a couple of months is payer name support, and these are all flexible.

You can request any of these or none of these, if you want the idea is to support a broad range of of use cases out there. So if you’re like a ride, pickup service, you probably don’t need you. If I don’t need everything, but you definitely need. Let’s say a location like an address and a name, let’s say or if you’re a physical good you may may or may not need their payor name because you’ll get that from the shipping address, so it’s flexible and you can sort of accommodate experiences as as fits Your the business, but the really important point here, is that all of these data points can be stored and returned by the by the browser, so users, by and large trust chrome to store this data.

They trust us to store their names, their emails and even their credit card data. And so the question is like: why put users through the burden of a form that they have to fill out manually and, like you saw like sabine slide about like fat, fingering and the difficulty of mobile keyboard typing and those problems were multiplied across all those form Fields, so if you can save them the burden of doing that, we think it’s worthwhile and sort of payment request is really designed to do that.

But let’s go ahead and just let’s just going to sort of see it in action switch over to a demo here see if we can see all right, excellent, I’m going to you open up, Chrome on stable and I’m actually going to use the exact same shop. Api, that’s, oh and you see it, it auto sign man, you have to love and a good demo goes right, and but otherwise it’s the exact same website, polymer shop demo, except I’m going to go a little bit further and actually just make a purchase.

So I hit the shop now button. You know, I definitely don’t have enough. Google hoodies so I’ll, just source wet shirt, so I’ll just buy it yet another one. So it standard shop. You see that there’s like size and quantity. I won’t affect those, but you see that there’s there’s two buttons at the bottom there’s a typical Add to Cart button, but there’s this also. This Buy Now button that Buy Now. Button is based on feature detection, so we’re checking to see if payment request exists and if it’s there great, let’s leverage it and if not it would.

You would just see an edit card, but I’m going to end use the rapid checkout approach, and so I tap on the Buy Now button and you see that this this payment sheet slides up from the bottom. This is a payment request in action, so you’re looking at sort of natively drawn UI, it’s controlled by us. We can through it, but it’s populated with data from the merchant. So you see that my total amount is there $ 22.

15. I defaults to my form of payment that I prefer, which is android pay. If it’s available only cuz, it’s faster and more secure. You see it they’re also requesting my email address for the purpose of sending a receipt, and the only thing I need to do here is select. The shipping address it’s very difficult to ship, a sweatshirt to someone. If you don’t know where it goes so I’ll tap on that you’ll see that the payment chief slides up to full screen – and it has my addresses, automatically populated for use.

These are our two Google offices here, so I’ll go ahead and shift to the one in San Francisco, where I work, you see that when I do that the shipping options are automatically populated there, and so we have a free shipping in California option or in Express Shipping, and if I change those it will dynamically change the price, so you can see here that express shipping changes, but of course, why would I pay more I’m going to go back to zero? That seems to make a whole lot more sense to me and now I’m ready to pay.

So we just have the pay button and then you’ll see the Android pay screen slide directly up we’re running the test app. So it says unrecognized ooh, you guys wouldn’t have that and because I’ve actually authenticated in the last couple of minutes. I don’t even have to do any extra authentication on Android pay I’ll literally just tap the continue button. A responses comes back and the transaction successful so pay with Android pay, no keyboard, no typing.

All I had to do was tap and select and confirm my shipping addresses so really great, really seamless, we’re really excited about it and just to show you that if you don’t have Android pay available no big deal, we can always change our form of payment and, If I didn’t have Android pay, I would just default back to my credit card, in this case, a Visa card that I have once again I’ll select my shipping address and options.

I hit the pay and the only thing the only keyboard we can’t get rid of is the CVC input everything else we have so I’m going to do one two three. I used to do like a live credit card on this and I discovered that what that didn’t work well for me, so I’ve switched to a demo card but either way the same. The same concept applies, we’ll talk about what’s happening behind the scenes, but this is all client-side basically, so it’s all happening super fast and pretty great they’re really excited about that.

And now maybe we can switch back to the slides and talk more about what it takes to make this actually happen. So how do you leverage payment requests? Well, it’s pretty simple. There are three parts to payment requests, two of which are that are required and one of which is completely optional, and so we’ll talk about them in order. The very first one are payment methods, so we need to know basically all the ways that you can get paid.

This could be a wide variety of things in the future, so it could be. I accept Visa and MasterCard and AMEX and Discover JCB UnionPay. It could be in the future, I accept Ally, pay or idea or PayPal, etc. As long as people are built into the ecosystem, like I said for now, Chrome we just launched so we’re, starting with credit card support, Android pay, and so it looks a little bit like this. So we basically pass in this thing called method.

Data and metadata is an array of objects and those objects. Each have a an array of supported payment methods. So you can see here that Mont. The first thing I support our credit cards. I support the standard for Visa Mastercard, Amex and discover. That’s it nothing else to do it, just as I accept this in the future coming out in a couple of months, we have added support for granularity for things like debit or credit or our prepaid, but for right now, essentially, when you say visa, we sort of Assume you can accept all visa and don’t make a strong differentiation there, but the second one is a little bit more interesting, and this is Android pay, there’s sort of an abbreviated version of this, but to support Android pay.

You see that there’s an additional key inside of that object, which is the data data, is sort of a generic object and it’s a payment method. Specific. The reality is that different payment methods out there have different dependencies different things that you’re going to pass in when you instantiate it by default, so for Android pay, for example, you always have to pass in like your merchant ID, you have to pass in what kind Of token you would like either network or gateway.

We don’t have a full example here, but and then what happens then is when a user chooses to pay with one of those forms of payment, we basically bundled it all up and pass it on to the payment. App so and then the payment app uses that data plus things like origin and assertions from chrome to basically verify that the payment app is the right one, and so the payment can can continue. So it’s pretty simple, but the idea here is that you throw everything you can at the browser for ways that you accept payment.

So if you can accept a like a hundred different ways of paying around the globe, tell us a hundred ifferent ways to pay, because what the browser does is we find that spot in the middle between the set of ways you can get paid and a way That a user can pay you and give a user an optimized experience about the ones that make the most sense for them. So you solve, for example, in the demo that Android pay and a Visa card were available, but let’s say that we had removed visa as an option, then visa just wouldn’t show up, because that doesn’t make any sense and so for, as you go across the globe There are wide variety of ways to pay, but we recommend giving us all to them and then we’ll find the best experience for the user to optimize around their preferences, their defaults and what? What is the best thing for them? The second bit of data is also quite important, so now that we know how I can pay you, we need to know how much money you wants to get paid, and this is what this looks like great.

So the first thing, the most important thing that’s required is this total attribute three parts basic. There are two parts really. The first ones are label, so we customize this. So if you tell us, total will display total, but you this could be like authorization donation. Whatever you want – and you have to, we have to know an amount and the amount is compose of a total amount of money and an underlying currency code.

So we know, for example, or the underlying payment app that we transferred to knows what currency to charge in we’re also to support display items. So, just like I showed you like when I tapped on the total those line items. I came down that basically told you how the total amount was reached this you can’t. We also support this. It’s a wholly optional. You can pass in. You can pass it if you want or ignore it.

We recommend it it’s nice to give a high-level overview to a user about the things that inform the total amount, things like the subtotal tax, shipping, cost, etc. Less of like a full itemized receipt and again in more of like a high-level overview, one important point payment request does not do math we’re not good at floating point math. So if you pass in, you know, you have two line items that sum to five and your total says four like we’re not going to throw anything so you’re totally in control of this thing.

So just keep that in mind and they’re by the way it might be some use cases where it makes sense for those not to a line, but by-and-large just want to point that out. The other point to note is that transaction details can also contain shipping options, and in this case, if you put them in there by default, we support default shipping options. We only recommend you use this if you’re highly confident that your shipping options will not change, then they’re not dynamic.

So if you support, for example, world wide free shipping and it never changes, no matter what the address is feel free to default populate this. But if your shipping is dependent upon a user address, then we recommend waiting until you’ve gotten a user, a user address event which we can talk about a little bit and then you can use that to dynamically query, against whatever service you use to calculate prices, and You can repopulate this and that’s the important point that basically the transaction details object can actually be updated and overwritten throughout the lifecycle of payment requests at certain events and points.

So if a user changes their shipping option, you saw like how, in my demo, when I changed my ship, the price change and the list items changed. That’s because when that event took place, we repopulated those set of transaction details, and so you have that flexibility in control on those events, and so that’s how we get sort of that dynamic pricing model that exists out there and so again don’t do default shipping options Unless you’re highly confident they aren’t going to change and the final piece is the extra information, the optional set of options, and that’s that things I talked about user address, shipping support, name, email and phone all entirely optional, but definitely useful.

I think there was like sort of this myth out there that the the only drop-off point in the funnel is the is the process of putting in your credit card, but really like the entire checkout. Funnel is well a funnel and so like wherever your users. Experience. Friction and there’s a step. Others are drop-off, so we highly recommend taking advantage of these these different pieces, and so there’s a few that we support, like I said, and it’s as simple as passing in just a bunch of boolean’s.

Basically, do I want shipping? Yes, do I want email, yes, etc, and you can again, these can be variable, so you can say I don’t want shipping, but I do want a name and phone number or you can say I just want an email address to send a receipt to. For example, it’s completely configurable and again. The idea here is to support a wide variety of use cases. Something funny that is minor that we have coming soon in the next couple of months is we’re adding support as well for a shipping type value.

It’s pretty simple, but the idea here is that let’s say you are buying a pizza, one does not ship a pizza right. That’s just weird like we deliver pizzas, and so it’s a very minor feature that allows you to actually specify shipping delivery or pickup. As like the address type, so we still call shipping address underlined in the system, but this way in the UI a user would see. Oh, I want my pizza delivered two three four five speed streets.

I don’t want it delivered or if you’re a ride-sharing service, for example, you can say pickup and it’s your pickup address where you’re currently at or located, and so that’s the value of that particular little thing again pretty minor but allows us to just have like a Better user experience underlining the whole system so now we just put it together basically, and we get that whole experience that we talked about, or I just showed you so.

The first thing we do is we instantiate payment requests and we pass in our method data way that we things that we support. We pass in the transaction details again how much money, what currency code, what line items do we once and then our optional options right? So in the case of our demo that I went through, that would be request, shipping, true and request email, true, but again that one’s completely optional um.

You see here. I’ve also added an event listener to my shipping address change and we support two events in the system: shipping address change and shipping option change. These are this: is that dynamic mechanism that allows you to receive the events parse out the new details? Let’s say so: if a user selects a shipping address that event fires, you can actually pull out that full shipping address.

We don’t do just the zip code because you can’t get fully accurate shipping information with just a zip code. So you get a full user address. You can use that at that time to call event update with this basically says: hey, you know browser, I’m thinking. I need to calculate this. You can call your back-end api’s and you can update resolve a promise with new transaction details. So again that updated transaction details object can now contain your updated set of shipping options, including the empty set of options and an error which says like opps.

Sorry, we don’t ship to you know wherever it is that you’re trying to ship to so that’s also supported and so and by instantiating payment request or not. There’s no UI. That shows it’s just instantiation when you want that actual payment sheet to slide up from the bottom. Oh, we called that show that show is actually our signal and we actually raised that payment sheet and put the user through the process.

That returns like a promise, and when that promise resolves you have a payment response and that payment response contains the entire set of data. It’s just a JSON object that contains the entire set of data that you requested so for a credit card. For example, you would know what the underlying network was so Visa, MasterCard, etc, and then you would see credit card number phone number, full, CBC, expiration, etc.

Think, like the same set of data, that a user would have typed out into your form, you’re now getting just from the browser as a JSON response, you can use that to basically send that response directly off to your gateway, your server or even let’s say in The case of like, like you know, scribe API is like directly to over to the API is for tokenization, it’s completely up to you, because it’s all plaintext these responses.

It’s important to note our our method specific. So if you selected Android pay as your form of payments, then when that response comes back, it’s going to look like an Android pay response. You’re going to be able to select this there’s a key and they’ll. Tell you that, oh there, the form of payment they chose was Android pay and then you’ll have to expect that the Android pay details object, looks different than a credit card, one which may look different than some other form of payment like an alley, pay, etc.

I mean in a good that’s because different payment methods have different requirements and are different systems and call things different things. The final step here is, we just need you to tell us to close the UI, because once you get this payment response back, we actually show us a little loading spinner and the little loading spinner is sort of waiting for you to come back and let us Know the the result of the transaction we highly encourage, but do not require that at the time that payment response comes back, you try to make the payment.

There are legitimate use cases where you can’t do this things like 3d 3ds flows, etc, but by and large, if you can submit, we recommend it, and so you call the complete you can call with success or failure, but you can also call it with nothing. This is basically an affordance for the browser to do like special UI considerations in the event of success. You know like a little animated check mark or something but yeah, it’s totally optional, but the important thing is that, when the UI closes will actually resolve that promise and that promise is your cue that the UI has been completely torn down.

So if you have animations or things that you’re trying to time with the close of that wait for that promise to resolve and then you’ll be guaranteed that any chrome UI has now been stripped from the page, and that’s it on with that. You basically have the hold experience, so in just a few lines of code, you basically get help user alleviate all that friction and difficulty I’ll type in all those annoying form fields, pretty simple, but also again, with Android pay and other future forms of tokenized payment.

You’re. Basically, getting easy tokenize forms a payment that reduced like the burden of CBC memorization, etc. So really excited about this, and this is all possible because the browser is sort of sitting as the middlemen. There proxying data back and forth between native apps on the device and and the underlying website and the developer. That’s requesting it. So my last few minutes here I want to talk about just a few UX considerations and forward-looking stuff.

So first one is my very bold. Hyperbolic statement to say, kill the cards, which is maybe a bit strong, but just sort of my way of saying if a user is coming to your site or you for a lot of users who come to your site on mobile, that only make a single purchase. Why put them through the burden of opening the page, adding it’s a card? Finding the cart page clicking the card page going to review page go to the checkout page, then.

Finally, starting the process there on mobile want to optimize their experiences. Payment requests allows you to do that quickly and immediately, so consider adding like Buy Now buttons directly to your product pages, especially on mobile, when it makes sense again. This moment won’t make sense for all businesses, but I would encourage you to go back and sort of check the numbers and see if, like this might be a powerful tool for you guys to leverage to help your users just a few other things really quickly that I’ve talked about – and you’ve heard mention here today – is thank progressive enhancement.

This is a new API. It won’t always be available, so you can’t necessarily completely depend on it, especially in a cross-browser way. Yet, although hopefully we’ll get there, so think what happens if it’s not available, you’ll still need a fallback flows etc. The second one, of course, is we encourage you to keep the set of list items high level, so don’t think of it like an itemized receipts. We don’t want the user to select this long scrolling list in the UI, if possible, try to keep it high level, subtotal tax things like that.

If it’s single item you can put it in there, but by and large we encourage high-level subtotals and things like that and then last one. Something to consider is that if you already have a user’s information – and you already have a credit card on file or some way to pay – I wouldn’t expect you to use. Don’t think you have to use payment requests like give the user the best experience they can and that means go ahead and just leveraging what you already have on file.

But if you don’t have anything and you don’t have the credit card or the credit cards expired, you need a new one, a consider payment request as a tool to help these users. You know we talked about. You know. We talked about sign up first right, but that might not always make sense for your business if you think about it, like maybe your your p0 or your most important thing is getting user through that checkout flow, then you can request an email address from payment requests And now all you need from them at the end of that funnel to sort of optimize.

The experience for next time is a password and so consider sort of leveraging this again. These are tools to help you be successful, so just a quick status update. So we are live in in Chrome as of m-53, so we’ve only been live for about, say, eight wait weeks now and it’s sort of a quiet launch. We had a great set of early launch partners that we worked very closely with and they integrated and tested and gave us a lot of great feedback again.

The API is still early. Chrome is the first browser to implements, and so we’re really thankful to all of these players for their great feedback and from it we’re actually making a lot of changes and improvements and enhancements to the underlining experience. And so I just want to talk a little bit about what you can expect to come soon, so the first one that we’re working really hard on is support for third-party payment apps.

As you go around the world. There are a lot of ways to pay in India. You know you have like paid TM and snapdeal, and all these other new emerging wallets and you go to Holland. You have ideal if you go into other countries, a whole new forms of payment that are not just credit cards and Android pay, and we want to be able to support all of this in a nice open way where we can support users from all over the Globe, no matter what, and so we’re really close to finalizing this and we hope to have support next year.

Secondly, we have a lot of spec and feature enhancements coming, so we have the shipping address types. I talked about you’ll, be able to call this within an iframe coming up soon, as well as much other small enhancements and improvements, and then we also have much of UX improvements, so we added a are scanning just recently, so you can now just like scan you. If you don’t have a credit card, you can just scan it directly into into the into the UI, so there’s things to make it faster, easier and fundamentally better onboarding flows and then just quick time lines here.

Just so you’re aware we’re sort of targeting in 56. That’s our January release as, like our next big major release. It’s going to have all these enhancements all these improvements and we’re really excited about it on you’ll, continue get updates along the way. This is all live in chrome, stable and we’d love to continue to work with you and get your feedback um everything I’ve talked about today is available online.

In a lot more detail, we have integration guides a bunch of examples in sample code where the phones come up, and then we also have a game start with Android pay. Android pay is really simple. With payment requests, it’s like less than ten lines. We do almost all the heavy lifting for you, so just a quick shout out there, but I’ll be around the rest the day I would love to chat with you learn about your challenges, things that you think you need from the browser ways that we can help.

You be successful, especially in checkouts, so thank you so much


 

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Online Marketing

Implementing the Web Payments API – Progressive Web App Training

Api is a w3c standard to eliminate payment forms for users and standardized payment collections for sites. It allows us to request payment and shipping information with a single API call.

This knows how to run Apple pay on iOS Safari and Google pay on Android. It’s not limited to those to any payment provider can write a plug-in. It’s not even restricted to one browser. It’s probably in the browser you’re using right now the browser simply acts as an intermediary collecting the information we need in a consistent way. Then returns a JSON object with the results that we can use to collect the payment.

If you have used a pay with Apple pay or pay with Google pay button in the browser, you already know what the experience will be, like developers previously used custom libraries to implement this, such as the Apple pay, API or the Google Wallet API, and if you Want to do that too great, but if you want to work with whatever payment system, the user has payment request. Is your friend, let’s take a quick look at the code flow and user experience? We want to buy this jacket, what happens when we tap buy now? This is an ordinary button with an ordinary event handler.

First, the site creates a payment request, object and populates it with some details. It typically has the price, a list of items being purchased and the available forms of payment. This is all invisible to the user. We need to trigger the payment user interface, you get the UI by calling payment request, dot, show this displays a native UI over the browser and returns a promise. The next few steps are all happening inside this promise.

The first screen is a summary of the information supplied by the app tapping on an item opens it the EPI stores, addresses and payment options securely. In this example, Larry can select his shipping address with one tap edit. The address or add another need to change. The shipping option no problem: it’s just kappa way note that changing this option may change the total price. The payment request api can handle this with a little help from your app notice, the multiple payment options, the api also handles country, specific payment methods and, finally, the user taps on pay.

At this point, the browser runs the selected payment service. This might be an app on your device or going across the network to a payment provider. The completed payment returns a special token that you can send to your server. The server has ways of verifying this token. Is this safe? The api is more secure than form based payments. The new payment instruments are based on modern cryptography. You don’t need to enter payment data that can be logged or observed at the point of entry, so to review payment requests, eliminates manual and tedious entry by storing the user’s information securely in the browser.

It works across browsers across OS platforms and can work with any payment service that wants to write just a little code now that you’ve seen how payment request works for the user, let me show you how to code it remember that the payment UI contains multiple sections. We need to populate these sections before making the request. The request needs at least three data structures, the payment options, the order, details and shipping options so we’ll create those then generate a payment request.

We will call show and get back a promise that resolves when it’s time to contact the payment processor, finally notice that we may want to or three event handlers. These are called while the UI is visible and can trigger updates when the user changes addresses or shipping options. Let’s walk through the steps in the UI and the corresponding code. First, the user taps by now. So we want to set up a payment request.

Remember that we need some data structures before we can create the request. The payment methods lists all the payment services that your site understands. It’s an array of payment method, objects and each method may have its own specific properties here. We’re listing the basic credit card method and Google pay note that I’m leaving out the details of the Google pay object as it’s pretty involved.

We want the user to know what they’re buying. This includes the core details of the transaction, how much money? What currency? And what list items you want displayed? Keep the line items fairly high level. It isn’t meant to be used as an itemized receipt. If you want more than one shipping option, you can define this structure notice, it’s a property on the transaction details. If you have multiple options include a selected bit, the browser will highlight the selected option and fire an event when it changes.

Now you can define what information you want from the API by default. Payment requests will only return the payment info if the user is logged. In you may have the rest of their information. If you need more these options, let you collect what you need. Take the data structures, you’ve just created and pass them to the payment request constructor. This should happen in response to a button tap or other user initiated action.

Now so far the screen hasn’t changed. We need to trigger the UI, take the payment request and call the show method. This returns a promise and opens the user interface notice. There’s a big block of code. After this, we still have a couple of steps until we’re done. The UI shows the details of the purchase and collects payment information when the user approves the promise resolves with a payment response object.

The payment response object contains everything needed to submit a payment for credit card payments. The response is standardized for non credit card payments such as Google pay. The response will be documented by the provider. Next, you should check that the payment is valid. Send the information to your payment processor for processing the UI will show a spinner while the request takes place. Okay.

So how do we remove the payment UI after we click payment? Even if it fails call payment response, not complete. You can include a message to the user. This tells the browser that the payment is complete and allows the app to notify the user of the result. Now, there’s one loose end to tie up what happens if the user changes their shipping address or options. This may change a total cost and, in some cases, may change a shipping options.

Payment requests can omit shipping, address, change, shipping, option, change and payment method change events. You should have event listeners for these and update details accordingly. Remember we’re making the update in the middle of a promise, just as we do installing the Service Worker, so we use a similar bit of code. We get the event and call update with on it. This takes a promise that resolves to a new transaction details record.

It’s not all that different from calling cache at all from the service workers install event that also returns its result via the event. The get new info method is something that you would write. It takes some data from the request and builds a new transaction details. Object. Here’s a reminder of what goes in the transaction details. Your code probably needs to copy from the old object to a new one.

We resolve the promise with the new details, update with then updates the payment request and the screen, and that’s it. You now have a seamless, easy to use checkout experience now that was a bit of a long example, but most of it is boilerplate check out the payment request. Samples at Google, Chrome, github, io, remember the process for easier payments starts with autofill. If you want more payment request, is there to help? You can also check out specific libraries for Apple pay, Google pay, Samsung pay and others they put up a pay with button on the screen.

They usually fall back to the payment request interface, but they may be an easier option for your users. The only way to know is to try them for yourself thanks for hanging in there through web payments. This is one of the most complex parts of building a PWA, yet it’s really satisfying and could be great for business. Take care and I’ll see you again soon.


 

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An interview with Yannis Larios, Business Development Director of Viva Wallet

It’s about, pin and glass. It’s how a small terminal can change the way you accept cards, it’s small, its light, it’s very cheap, and this change is what we knew up to now on how your accept cards we’ve a wallet of our seat across Europe. We’ve our wallet is offering European merchants a bank in a box which means we are offering card acceptance, an Iban account and the debit business card, all at your own country, which means, if you are a Belgian merchant.

https://m.youtube.com/watch?v=jpMdAS8UWv0

You get a Belgian Ivan if you’re a few gamers and you get the UK, I won. Everything is customized to each and every European country. That’s what we offer across Europe. Viva bullet has built its own infrastructure from end to end, so it relies on nor third parties, it’s doing everything by by itself, so it is able to provide European merchants services like eibon’s card acquiring and card issuing, based on its own infrastructure.

The unique thing about with a wallet is that it does that on upon European level, but it customizes the service at each and every country as it goes. There are new trends in financial industry. One of them is going lighter and cheaper with the card terminals. The other is to harness all this data about payments, and the other thing is to combine acquiring an issuing. There are not different services, you have to combine them.

You have to provide new things to the merchants. This is what we are doing.

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