# Authorize.net Payment API

**Canonical:** https://apis.io/apis/authorize-net/authorize-net-payment-api/  
**Provider:** Authorize.net — https://apis.io/providers/authorize-net/  
**Base URL:** https://api.authorize.net/xml/v1/request.api  
**Documentation:** https://developer.authorize.net/api/reference/

Authorize.net Payment API is one of 5 APIs that [Authorize.net](https://apis.io/providers/authorize-net/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Credit Cards, eChecks, Payment Gateway, and Transaction. The published artifact set on APIs.io includes API documentation, a getting-started guide, authentication docs, and an API reference.

The Authorize.net Payment API enables merchants to process credit card, debit card, eCheck, Apple Pay, Google Pay, and PayPal transactions via a POST-based XML/JSON API with API Login ID and Transaction Key authentication.

## Machine-readable artifacts (6)

- **Documentation** — https://developer.authorize.net/api/reference/
- **GettingStarted** — https://developer.authorize.net/hello_world/
- **Authentication** — https://developer.authorize.net/api/reference/features/authentication.html
- **APIReference** — https://developer.authorize.net/api/reference/
- **Sandbox** — https://sandbox.authorize.net/
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/authorize-net/refs/heads/main/apis.yml

## Other Authorize.net APIs (4)

- [Authorize.net Recurring Billing API](https://apis.io/apis/authorize-net/authorize-net-recurring-billing-api/)
- [Authorize.net Customer Profiles API](https://apis.io/apis/authorize-net/authorize-net-customer-profiles-api/)
- [Authorize.net Webhooks](https://apis.io/apis/authorize-net/authorize-net-webhooks/)
- [Authorize.net Transactions API](https://apis.io/apis/authorize-net/authorize-net-transactions-api/)

## Tags

Credit Cards, eChecks, Payment Gateway, Transaction

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/authorize-net/authorize-net-payment-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/authorize-net/.