Use Case

Payment Processing

Charging cards, wallets, and bank rails.

35 providers 310 APIs 23 declared variants

Accepting and settling payments — card authorization and capture, ACH and SEPA transfers, wallets, refunds, payouts, and cross-border money movement across markets and payment methods.

35 API providers on the APIs.io network offer payment processing. The highest-rated are Solana, Paystack, Adyen, Tink, Mews.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 2 Complete, well-documented, and agent-ready
Solana Solana is a high-performance blockchain platform designed for fast, secure, and scalable decentralized appl... 7 APIs 71.4 Paystack Paystack is an African payment processor (acquired by Stripe in 2020) that lets businesses accept payments ... 14 APIs 70.6
Strong 10 Solid coverage with minor gaps
Adyen Adyen is a global payment company that provides businesses with a single platform to accept payments from c... 30 APIs 68.8 Tink Tink, a Visa solution acquired in 2022, is a European Open Banking platform with 6,000+ bank connections ac... 9 APIs 67.2 Mews Mews is a cloud-native hospitality cloud and property management system (PMS) headquartered in Prague, Czec... 5 APIs 66.5 dLocal dLocal (NASDAQ: DLO) is a Uruguay-headquartered emerging-markets payment infrastructure platform connecting... 9 APIs 66.4 Abstract API Abstract API is a platform that offers a wide range of API services for developers to easily integrate vari... 14 APIs 65.9 Square Square provides APIs for payment processing, point of sale, and business management solutions enabling deve... 37 APIs 65.8 Block Block, Inc. is a global technology company building economic empowerment tools through a family of products... 1 API 65.6 Blockfrost Blockfrost is a RESTful API service providing access to the Cardano blockchain and its ecosystem. It serves... 1 API 64.7 Paymob Paymob is a Cairo-headquartered, licensed payment infrastructure provider for the MENAP region. Serving rou... 5 APIs 61.8 Efí Pay (Gerencianet) Efí Pay (formerly Gerencianet) is a Brazilian fintech and Banco Central-licensed payment institution headqu... 6 APIs 60.9
Developing 14 Usable, with meaningful gaps to close
Algorand Algorand is a pure proof-of-stake blockchain platform designed for speed, security, and decentralization. I... 3 APIs 59.8 Backpack Backpack is a Solana-first crypto company founded by Armani Ferrante and Tristan Yver — the same team behin... 3 APIs 59.0 Kushki Kushki is an Ecuador-headquartered LatAm fintech operating as a regional non-banking acquirer for the Andea... 8 APIs 58.6 Apple Collection of Apple's public APIs and developer resources. 19 APIs 56.2 Intuit Collection of APIs offered by Intuit for financial and business management services. 8 APIs 55.9 token-io Token.io is an Open Banking infrastructure provider offering A2A (Account-to-Account) payments and account ... 12 APIs 55.2 Apple Pay Apple Pay enables secure, frictionless payments in apps and on the web using the payment cards stored in us... 3 APIs 54.7 Airwallex Airwallex is a financial technology company that specializes in providing global payment solutions for busi... 6 APIs 53.8 IOTA IOTA is an open-source distributed ledger technology built to bring real-world applications on-chain. It is... 9 APIs 53.0 BNY Mellon BNY Mellon is a global investments company providing asset servicing, asset management, wealth management, ... 1 API 51.4 BetSolutions BetSolutions provides a casino and gaming platform API offering a two-way HTTP API with JSON data format fo... 6 APIs 51.0 Barclays Barclays is a multinational financial services company providing retail and commercial banking, investment ... 23 APIs 47.2 Authorize.net Authorize.net is a leading payment gateway providing secure online payment processing for merchants. It off... 4 APIs 47.1 Avaloq Avaloq is a leading provider of wealth management technology and digital banking solutions, offering over 7... 7 APIs 46.5
Thin 4 Limited public surface area
APILayer APILayer is an API marketplace and hub that enables developers to discover, integrate, and build with high-... 1 API 44.3 OPay OPay is a Nigerian mobile money and fintech super-app operated by Blue Ridge Microfinance Bank (OPay Digita... 1 API 39.1 Riskified Riskified (NYSE RSKD) is an Israeli ecommerce risk-management platform that uses machine learning and a glo... 7 APIs 34.0 Bancontact Bancontact is Belgium's most popular electronic payment system, operating through the Bancontact Payconiq C... 1 API 31.2
Emerging 4 Early or largely undocumented
Asaas Asaas is a Brazilian financial-services and payments platform headquartered in Joinville, SC. It operates a... 20 APIs 29.7 Aetna Aetna, a CVS Health company, offers health insurance, dental, vision, and other plans for individuals, fami... 4 APIs 28.4 Pagar.me Pagar.me is the API-first online payments platform from Stone Co., one of Brazil's largest financial techno... 17 APIs 27.6 API Layer APILayer is a curated API marketplace offering 178+ production-ready APIs across categories including finan... 1 API 25.0
Minimal 1 Almost no public developer surface
Commonwealth Bank Commonwealth Bank of Australia (CBA) is Australia's largest bank by market capitalization providing retail,... 8 APIs 13.9

What Providers Actually Declared

This use case is a canonical term. These are the free-text strings providers wrote in their own apis.yml that map onto it.

Accept Payments OnlineBrazilian E-Commerce CheckoutBrazilian e-commerce checkoutCross-Border PaymentsCross-border payroll and contractor payoutsCurrency ConversionE-Commerce CheckoutE-Commerce Payment ProcessingE-commerce CheckoutE-commerce checkoutIn-App PurchasesLatAm e-commerce checkout with card, cash, and bank transfer in one integrationMarketplace and Platform PayoutsMultichain wallet integrationNigerian E-commerce CheckoutPSD2 / SCA exemption optimization for European card paymentsPayment ProcessingPayoutsPayouts and settlements for marketplaces and platformsPoint of Sale IntegrationRemittance ProcessingWallet DevelopmentWallet Integration

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