KeyCorp ACH Transactions API

ACH Inquiry functions to list and retrieve ACH transaction details

Business capability
Payment Processing Management BC-1340.20

Operations 3

GET /accounts/transactions/v1/ach/detail/{parNumber} Get details about an ACH transaction with a parNumber #
POST /accounts/transactions/v1/ach/list Advanced search for ACH transactions #
GET /accounts/transactions/v1/ach/settled/{settlementTransactionId} Advanced search for settled ACH transactions #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/keycorp-ach-transactions-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

keycorp-ach-transactions-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: ACH Inquiry ACH Transactions API
  version: 2.1.2
  description: Use the ACH Inquiry API to get the status on ACH transactions based on your query criteria.
  contact:
    name: KeyBank Developer Support
    email: embedded_banking_support@keybank.com
servers:
- url: https://partner-api-qv.key.com
  description: Non-Production environment (QV)
- url: https://partner-api.key.com
  description: Production and Simulator environment
security:
- bearerAuth: []
tags:


# --- truncated at 32 KB (44 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/keycorp/refs/heads/main/openapi/keycorp-ach-transactions-api-openapi.yml