merchant-services

Get a high-risk card payment gateway with instant payouts, chargeback protection & no frozen funds!

A production-grade, fully-typed Elixir client for the [SumUp API](https://developer.sumup.com/api) — Checkouts, Readers, Customers, Payment Instruments, Transactions, Payouts, Receipts, Members, Memberships, Roles, and Merchants.

Instant payment platform for Canadian businesses — QR Code, NFC, and Interac unified

Official Lifted Holdings organization profile and product directory

Published DOI-backed merchant processing statement audit model with reproducible validation and mirrored public artifacts

TransFS — independent third-party profile of a public API surface, by API Evangelist. TransFS (Transparent Financial Services, LLC) is the Chicago fintech that operated FeeFighters, a marketplace helping small and medium-sized businesses compare credit-card processors and reduce merchant-account fees. It also built the Samurai payment gateway, a de

99Bill — independent third-party profile of a public API surface, by API Evangelist. 99Bill Corporation (快钱, Kuaiqian) is one of China's leading independent third-party electronic payment service providers, offering a comprehensive suite of online payment, mobile payment, and settlement solutions for merchants and enterprises.

Zip — independent third-party profile of a public API surface, by API Evangelist. Zip is a global BNPL (Buy Now Pay Later) and digital wallet platform that enables merchants to offer flexible payment plans to consumers at checkout. Zip provides REST APIs for checkout integration, order creation, payment capture, refunds, voids, merchant management,

Poynt — independent third-party profile of a public API surface, by API Evangelist. Poynt (GoDaddy Poynt) is an open commerce platform for merchants built around smart payment terminals and a cloud API. Its Poynt Cloud API (services.poynt.net) lets developers build and distribute business apps that read and write orders, transactions, customers, pr

Ant Group — independent third-party profile of a public API surface, by API Evangelist. Ant Group is a Hangzhou-based fintech and technology company, operator of the Alipay digital payment and lifestyle super-app and parent of the Antom global merchant-payment business, the Alipay+ cross-border mobile-payment network, MYbank, and the ZOLOZ digital-

littlefish — independent third-party profile of a public API surface, by API Evangelist. littlefish is a next generation merchant services platform positioned as a full-stack enterprise payments platform that extends a business's existing infrastructure instead of replacing it.

CoinGate — independent third-party profile of a public API surface, by API Evangelist. CoinGate is a cryptocurrency payment gateway providing REST APIs for creating and managing payment orders, processing crypto-to-fiat conversions, automating payouts, managing merchant ledger accounts, and accessing billing and reporting data.

Teya — independent third-party profile of a public API surface, by API Evangelist. Teya (formerly SaltPay) is a European payments and business-services provider serving local businesses with card machines, online and in-person card acquiring, a business account, and flexible business funding.

Zeller — independent third-party profile of a public API surface, by API Evangelist. Zeller is a Melbourne-founded Australian payments and business banking company (founded 2020 by former Square Australia executives Ben Pfisterer and Dominic Yap) that gives SMEs an integrated stack of card payment acceptance, a transaction account, a Mastercard deb

Pollinate — independent third-party profile of a public API surface, by API Evangelist. Pollinate is a London-headquartered financial technology company that builds a cloud-based, bank-grade digital experience platform helping banks and payment processors reinvent merchant acquiring and value-added services for their small and medium business (SMB)

GreenSky — independent third-party profile of a public API surface, by API Evangelist. GreenSky is a financial-technology company that powers point-of-sale consumer financing. Through a network of federally insured bank partners and enrolled merchants, GreenSky enables consumers to apply for and use installment loans and revolving credit lines at t

Moneris — independent third-party profile of a public API surface, by API Evangelist. Moneris (Moneris Solutions Corporation) is Canada's largest payment processor and merchant-acquiring company, founded in December 2000 as a joint venture equally owned by Royal Bank of Canada (RBC) and Bank of Montreal (BMO).

Zettle — independent third-party profile of a public API surface, by API Evangelist. Zettle by PayPal is a cloud-based point-of-sale platform (formerly iZettle) that provides REST APIs for managing product inventory, processing card payments, tracking purchases, handling refunds, and accessing merchant financial and account data.

Till Payments — independent third-party profile of a public API surface, by API Evangelist. Till Payments is a Sydney, Australia founded merchant acquirer and payment technology company (established 2012), focused on integrated payments for independent software vendors, platforms, and omnichannel merchants across online, in-person, and unattended c

First Data (Fiserv) — independent third-party profile of a public API surface, by API Evangelist. First Data was a global payment technology solutions company providing merchant transaction processing, financial institution services, and prepaid services before merging with Fiserv in 2019. Legacy First Data API products including Payeezy, Bolt, and