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Payment & Billing APIs

Accept payments, manage subscriptions, handle payouts, and process transactions — the building blocks of any e-commerce or fintech app.

paymentbillingfintech 7 APIs
Stripe API
Stripe
Company Basic Auth

Accept payments, manage customers, subscriptions, invoices, and refunds. Industry-standard payments API with excellent test mode — no real money needed to explore.

Adyen Payout API
adyen
Company No Auth Free & Open

A set of API endpoints that allow you to store payout details, confirm, or decline a payout. For more information, refer to [Online payouts](https://docs.adyen.com/online-payments…

Adyen BinLookup API
adyen
Company No Auth Free & Open

The BIN Lookup API provides endpoints for retrieving information, such as cost estimates, and 3D Secure supported version based on a given BIN. ## Authentication You need an [API …

Adyen Stored Value API
adyen
Company No Auth Free & Open

A set of API endpoints to manage stored value products.

API for the Settlement Currency Rate converter
mastercard
Company No Auth Free & Open

This API provides a range of functions to get back currency conversion rates and amounts based on current Mastercard currency conversion values.

Budgea API Documentation
biapi
Finance No Auth Free & Open

# Budgea Development Guides Welcome to **Budgea**'s documentation. This documentation is intended to get you up-and-running with our APIs and advise on the implementation of some…

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