# KeyCorp

**Canonical:** https://apis.io/providers/keycorp/  
**Website:** https://www.key.com/  
**APIs profiled:** 10

KeyCorp (KeyBank) is one of the nation's largest bank-based financial services companies and a super-regional commercial bank headquartered in Cleveland, Ohio, providing deposit, lending, cash management, treasury, and investment services to individuals, small businesses, and middle-market companies. The KeyBank Developer Portal at developer.key.com publishes a self-service catalog of commercial and embedded-banking APIs covering account information reporting, ACH origination, RTP and wire payments, account validation, ACH/wire/RTP inquiry, check services, and payment event webhooks. Each product ships a downloadable OpenAPI 3.1 definition and is secured with OAuth2 bearer tokens, mutual TLS client certificates, and FAPI-style interaction-id headers.

## Kin Score — 45.3 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 45.3).

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 68.5 |
| Governance | 16.7 |
| Contract Governance | 16.7 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 47.0 |
| Commercial Clarity | 36.8 |
| Access Clarity | 36.8 |

Regulatory layer — **Banking & Open Finance**: 34.2 (matched via tags).

## Agent readiness — 53.2 (agent-native)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | verified |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | documented |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Paid · Self-serve signup — onboarding: self-serve, pricing: paid, trial: no (confidence: high).

## APIs (10)

- **KeyBank Account Information API** — The Commercial Accounts Reporting API delivers real-time and historical account-level information for client-authorized commercial KeyBank accounts. It exposes operations to ret...
- **KeyBank ACH Origination API** — 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,...
- **KeyBank Wire Transfer API** — The Wire Transfer API, delivered through KeyBank's combined RTP and Wire Payments service, facilitates high-value domestic wire payments from commercial accounts. It provides op...
- **KeyBank RTP Send Payment API** — The RTP Send Payment API initiates instant, irrevocable payments over The Clearing House Real-Time Payments (RTP) network from commercial KeyBank accounts. Sharing KeyBank's com...
- **KeyBank Account Validation API** — The Account Validation v2 API verifies account details and ownership before commercial payments and transfers are initiated, matching the supplied account and owner information ...
- **KeyBank ACH Inquiry API** — The ACH Inquiry API lets commercial clients check the current status and detail of ACH transactions posted to their KeyBank accounts. It provides operations to list ACH transact...
- **KeyBank Wire Inquiry API** — The Wire Inquiry API tracks the status and delivery of wire transfers associated with commercial KeyBank accounts. It exposes operations to list wire transactions, retrieve deta...
- **KeyBank RTP Inquiry API** — The RTP Inquiry API confirms the delivery and status of Real-Time Payments sent through KeyBank on The Clearing House RTP network. It provides operations to list RTP transaction...
- **KeyBank Check Services API** — The Check Services API manages stop payments and check image retrieval for commercial KeyBank accounts. It exposes operations to place a stop payment, list and retrieve check im...
- **KeyBank Webhooks** — The KeyBank Webhooks service delivers real-time payment event notifications to subscribed commercial client applications for ACH, Wire, and RTP alerts. It defines client-hosted ...

## MCP servers (1)

- **KeyCorp MCP Server**

## Agentic access (1)

- **Keycorp Agentic Access** — 4 operations

## Security (2)

- **Keycorp Authentication** — http/mutualTLS · 2 schemes
- **Keycorp Domain Security** — TLSv1.3 · DNSSEC · DMARC

## Plans (1)

- **Keycorp Plans Pricing**

## Tags

Banking, Commercial Banking, Financial-Services, Fortune 500, Payments, United States, Super-Regional Bank, Treasury Management, Embedded Banking, ACH, Real-Time Payments, Wire Transfer

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/keycorp/). Scores are computed from the provider's own public artifacts under a published rubric.