# KeyBank ACH Origination API

**Canonical:** https://apis.io/apis/keycorp/ach-origination-api/  
**Provider:** KeyCorp — https://apis.io/providers/keycorp/  
**Base URL:** https://partner-api.key.com/ach/payments/v1  
**Documentation:** https://developer.key.com/docs/ach

KeyBank ACH Origination API is one of 10 APIs that [KeyCorp](https://apis.io/providers/keycorp/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include ACH, Payments, Commercial Banking, and United States. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

The ACH Origination API initiates secure, automated ACH fund transfers from commercial KeyBank accounts across the full range of Standard Entry Class codes — CCD, CTX, PPD, TEL, and WEB — for both send (credit) and collect (debit) transactions. It supports addenda records, payment undo/cancellation, payment status and status-addenda inquiry, and a health check operation. Secured with OAuth2 bearer tokens and client certificates over the https://partner-api.key.com host, with a QV sandbox environment for testing.

## Machine-readable artifacts (2)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/keycorp/refs/heads/main/openapi/keycorp-ach-originations-openapi.yml
- **Documentation** — https://developer.key.com/docs/ach

## Other KeyCorp APIs (9)

- [KeyBank Account Information API](https://apis.io/apis/keycorp/account-information-api/)
- [KeyBank Wire Transfer API](https://apis.io/apis/keycorp/wire-transfer-api/)
- [KeyBank RTP Send Payment API](https://apis.io/apis/keycorp/rtp-send-payment-api/)
- [KeyBank Account Validation API](https://apis.io/apis/keycorp/account-validation-api/)
- [KeyBank ACH Inquiry API](https://apis.io/apis/keycorp/ach-inquiry-api/)
- [KeyBank Wire Inquiry API](https://apis.io/apis/keycorp/wire-inquiry-api/)
- [KeyBank RTP Inquiry API](https://apis.io/apis/keycorp/rtp-inquiry-api/)
- [KeyBank Check Services API](https://apis.io/apis/keycorp/check-services-api/)
- [KeyBank Webhooks](https://apis.io/apis/keycorp/webhooks/)

## Tags

ACH, Payments, Commercial Banking, United States

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