# Affirm Checkout API

**Canonical:** https://apis.io/apis/affirm/affirm-checkout-api/  
**Provider:** Affirm — https://apis.io/providers/affirm/  
**Base URL:** https://api.affirm.com  
**Documentation:** https://docs.affirm.com/developers

Affirm Checkout API is one of 11 APIs that [Affirm](https://apis.io/providers/affirm/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Checkout and BNPL. The published artifact set on APIs.io includes API documentation.

Initialize and authorize Affirm checkout flows for online merchants.

## Machine-readable artifacts (3)

- **Documentation** — https://docs.affirm.com/developers
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/affirm/refs/heads/main/graphql/affirm-graphql.md
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/affirm/refs/heads/main/apis.yml

## Other Affirm APIs (10)

- [Affirm Charges API](https://apis.io/apis/affirm/affirm-charges-api/)
- [Affirm Transactions API](https://apis.io/apis/affirm/affirm-transactions-api/)
- [Affirm Authorization API](https://apis.io/apis/affirm/affirm-authorization-api/)
- [Affirm Cards API](https://apis.io/apis/affirm/affirm-cards-api/)
- [Affirm Checkouts API](https://apis.io/apis/affirm/affirm-checkouts-api/)
- [Affirm Disputes API](https://apis.io/apis/affirm/affirm-disputes-api/)
- [Affirm Promos API](https://apis.io/apis/affirm/affirm-promos-api/)
- [Affirm Settlement Events API](https://apis.io/apis/affirm/affirm-settlement-events-api/)
- [Affirm Transaction Events API](https://apis.io/apis/affirm/affirm-transaction-events-api/)
- [Affirm Transactions API](https://apis.io/apis/affirm/affirm-transactions-api/)

## Tags

Checkout, BNPL

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