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Payment Processing
Payment gateways and processors with card, wallet and platform APIs.
JSON: /api/v1/directory.json (filter on category=payment-processing)
Stripe
Payments platform with APIs for one-off charges, subscriptions, invoicing and Payment Links.
PaidAPI keyPayPal Developer
APIs for accepting PayPal and card payments, subscriptions and payouts.
PaidOAuthSquare APIs
Payments, catalog, orders and inventory APIs for in-person and online sellers.
PaidOAuthAdyen
Global payment platform for enterprises with unified online and in-store processing.
PaidAPI keyPayPal
From paying friends to saving money or getting cash back when you shop, explore what the new PayPal app has to offer.
See siteSee docsBraintree
Explore PayPal Braintree and how our end-to-end payment platform can help drive growth. Learn more about PayPal Braintree on the PayPal website.
See siteSee docsAuthorize.Net
Authorize.net is an online payment system and credit card payment processor. We provide secure credit card payment processing systems for subscriptions, retail, and mobile, serving as your.
See siteSee docsWorldPay
We power global commerce by providing exceptional payments technology and expertise to businesses. Find out how Worldpay can help you.
See siteSee docsAmazon Pay
Amazon Pay is an online payment service that makes checkout on your site fast and secure for hundreds of millions of Amazon customers around the world.
See siteSee docsGoogle Pay
Discover how this API to request payments works, how to get started, and a list of resources to help complete your integration.
See siteSee docsStripe Checkout
Experience seamless online payments with Stripe Checkout. Our optimized low-code solution enhances conversion rates with a simple and secure process.
See siteSee docsBraintree Marketplace
Explore PayPal Braintree and how our end-to-end payment platform can help drive growth. Learn more about PayPal Braintree on the PayPal website.
See siteSee docsAdyen API
The Adyen API makes it easy to accept hundreds of payment methods globally. Use the Adyen API Explorer to send test requests and learn about the API.
See siteSee docsStripe Connect
Stripe Connect is the fastest and easiest way to integrate payments and financial services into your software platform or marketplace.
See siteSee docsSquare SDK (Node)
Javascript client library for the Square Connect APIs - GitHub - square/connect-nodejs-sdk: Javascript client library for the Square Connect APIs
FreeNo authCheckout.com
Boost your acceptance rate, cut processing costs, fight fraud, and create extraordinary customer experiences with Checkout.com's payment solutions.
See siteSee docsStripe Terminal
Stripe Terminal allows businesses to offer seamless and custom in-person payments for a unified commerce experience.
See siteSee docsBraintree API
Our mission is to empower developers with the tools, resources, and simple-to-use SDKs and APIs to build on one platform, so they can serve merchants from around the world.
See siteSee docsWorldpay API
Spend less time integrating and more time on your own product. Access Worldpay is built with a modern toolset and has code samples in the languages you use.
See siteSee docsStripe Treasury
Open a business bank account in minutes to receive, store, send, and spend funds alongside payments and earn cashback on card spend. No monthly fees.
See siteSee docsPayPal Billing Agreements
You can use billing plans and subscriptions to create subscriptions that process recurring PayPal payments for physical or digital goods, or services.
See siteSee docsMollie
One platform to accept payments, manage money, and access funding. Eliminate financial friction and grow your business with Mollie.
See siteSee docsSquare Payments API
Process online, in-app, and in-person payments with Square payment APIs. Manage disputes and subscriptions and perform other payment-related tasks.
See siteSee docsBraintree Payments API
Our mission is to empower developers with the tools, resources, and simple-to-use SDKs and APIs to build on one platform, so they can serve merchants from around the world.
See siteSee docsPayPal REST API
Get started with PayPal REST APIs, including orders, payments, subscriptions, invoicing, and disputes.
See siteSee docsSquare API
Build solutions that process payments on Square hardware or online, manage products and customers, and handle the operations that keep businesses running.
See siteSee docsSquare Web Payments SDK
Learn about the Square Web Payments SDK for taking payments in a web client.
See siteSee docsStripe Webhooks API
Create an event destination to receive events at an HTTPS webhook endpoint. Receiving webhook events allows you to listen to asynchronous events, such as when a customer's bank confirms a.
See siteSee docsPayPal Webhooks API
The PayPal REST APIs use <a href="/docs/api/notifications/webhooks/"/>webhooks</a> for event notification. Webhooks are HTTP callbacks that receive notification messages for events.
See siteSee docsNuvei
Unify pay-ins, payouts, and data on one intelligent platform. Accept every payment method, optimize performance locally, and scale globally with Nuvei.
See siteSee docsLuqra
Luqra is a leading payment processing solution company offering secure, efficient payment services and a robust financial business ERP management platform.
See siteSee docsShopify Payments
Accept payments online, in-store, and on-the-go with Shopify Payments. Get faster payouts, unlock Shop Pay checkout, and access growth tools like Finance, unified retail, and Markets.
See siteSee docs