# Checkout API

**Canonical:** https://apis.io/apis/checkout/checkout-api/  
**Provider:** Checkout — https://apis.io/providers/checkout/  
**Documentation:** https://www.checkout.com/docs/resources/api-authentication/api-keys

Checkout API is one of 2 APIs that [Checkout](https://apis.io/providers/checkout/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 1 JSON Schema definition. The published artifact set on APIs.io includes an OpenAPI specification and 1 JSON Schema.

Checkout API as documented publicly: 4 operations. Contract generated from the documentation by API Evangelist (2026-10-08); not the provider's own document.

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| POST | `/` | POST / |
| GET | `/connect/token` | GET /connect/token |
| POST | `/connect/token` | POST /connect/token |
| POST | `/payments` | POST /payments |

## Machine-readable artifacts (2)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/checkout/refs/heads/main/openapi/_ae-authored/checkout-openapi-generated.yml
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/checkout/refs/heads/main/json-schema/checkout-post-request-schema.json

## Other Checkout APIs (1)

- [Checkout API](https://apis.io/apis/checkout/checkout-api-2/)

---

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