# First Horizon

**Canonical:** https://apis.io/providers/first-horizon/  
**Website:** https://www.firsthorizon.com  
**APIs profiled:** 5

First Horizon Corporation is a Fortune 500 financial services holding company headquartered in Memphis, Tennessee. Through First Horizon Bank it provides commercial, private, consumer, and mortgage banking, wealth management, and capital markets services across the southern United States. First Horizon operates a real API Banking developer portal for Treasury Management clients, exposing RESTful products for money movement, ACH origination, real-time account information, and routing-number lookups, secured with OAuth 2.0 and a sandbox for build-and-test integration. Onboarding is partner/relationship gated and no OpenAPI/Swagger specifications are publicly downloadable — this repository captures the documented API surface honestly, humanURL-only.

## Kin Score — 11.1 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 11.1).

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 0.0 |
| Governance | 18.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 15.5 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Banking & Open Finance**: 21.5 (matched via tags).

## Agent readiness — 8.5 (agent-aware)

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

## Access

Partner onboarding · Treasury API Banking (sandbox + OAuth2) — onboarding: unknown, pricing: unknown, trial: no (confidence: medium).

## APIs (5)

- **Move Money Transfer v1** — Move Money Transfer is First Horizon's RESTful payments-initiation API for Treasury Management clients, used to originate and manage funds transfers programmatically from an ERP...
- **ACH Origination** — The ACH Origination API lets First Horizon Treasury Management clients originate ACH transactions directly from their ERP or accounting system via a RESTful interface, paired wi...
- **Account Information** — The Account Information API provides Treasury Management clients real-time visibility into account information, balances, and transactions through a RESTful interface, for recon...
- **ABA Lookup v1** — ABA Lookup is a RESTful utility endpoint on First Horizon's API Banking platform that validates and resolves U.S. ABA routing transit numbers, supporting payment-instruction val...
- **BIC Lookup v1** — BIC Lookup is a RESTful utility endpoint on First Horizon's API Banking platform that validates and resolves SWIFT/BIC codes, supporting the validation of international payment ...

## Security (2)

- **First Horizon Authentication** — oauth2 · 1 scheme
- **First Horizon Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Tags

United States, Banking, Financial-Services, Treasury Management, API Banking, ACH, Payments, Open Banking, Super-Regional Bank, Fortune 500, Wealth Management, Capital Markets

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