aid: first-horizon name: First Horizon kind: company type: Index description: >- 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. accessModel: pricing: unknown onboarding: partner trial: false try_now: false public: false label: Partner onboarding · Treasury API Banking (sandbox + OAuth2) confidence: medium source: - developer-portal generated: '2026-07-23' method: researched image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/first-horizon.png access: 3rd-Party created: '2026-05-04' modified: '2026-07-23' position: Consumer tags: - United States - Banking - Financial Services - Treasury Management - API Banking - ACH - Payments - Open Banking - Super-Regional Bank - Fortune 500 - Wealth Management - Capital Markets url: >- https://raw.githubusercontent.com/api-evangelist/first-horizon/refs/heads/main/apis.yml specificationVersion: '0.19' apis: - aid: first-horizon:move-money-transfer-v1 name: Move Money Transfer v1 description: >- 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, accounting, or treasury platform. Requests are authorized with OAuth 2.0 access tokens and can be exercised in the portal sandbox before promotion to a live customer environment. No public OpenAPI specification is downloadable; the endpoint is documented in HTML on the API Banking developer portal. humanURL: https://developers-test.firsthorizon.com/apis/v1/movemoney/transfer tags: - Payments - Money Movement - Treasury Management - United States properties: - type: Documentation url: https://developers-test.firsthorizon.com/apis/v1/movemoney/transfer - type: Authentication url: https://developers-test.firsthorizon.com/apis/v0/oauth - type: DeveloperPortal url: https://developers-test.firsthorizon.com/ - aid: first-horizon:ach-origination name: ACH Origination description: >- 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 with an ACH Tokenization Solution that replaces sensitive bank account numbers with tokens to support security and NACHA compliance. Authorized with OAuth 2.0 and available in a sandbox for build-and-test. Documented in HTML on the developer portal; no public OpenAPI specification is downloadable. humanURL: https://developers-test.firsthorizon.com/solutions/ach-tokenization tags: - ACH - Payments - Tokenization - NACHA - United States properties: - type: Documentation url: https://developers-test.firsthorizon.com/solutions/ach-tokenization - type: Authentication url: https://developers-test.firsthorizon.com/apis/v0/oauth - type: DeveloperPortal url: https://developers-test.firsthorizon.com/ - aid: first-horizon:account-information name: Account Information description: >- The Account Information API provides Treasury Management clients real-time visibility into account information, balances, and transactions through a RESTful interface, for reconciliation and cash-position workflows inside a client's own platform. Authorized with OAuth 2.0 and exercisable in the portal sandbox. Documented in HTML on the API Banking developer portal; no public OpenAPI specification is downloadable. humanURL: https://developers-test.firsthorizon.com/get-started tags: - Account Information - Balances - Transactions - Open Banking - United States properties: - type: Documentation url: https://developers-test.firsthorizon.com/get-started - type: Authentication url: https://developers-test.firsthorizon.com/apis/v0/oauth - type: DeveloperPortal url: https://developers-test.firsthorizon.com/ - aid: first-horizon:aba-lookup-v1 name: ABA Lookup v1 description: >- 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 validation ahead of ACH and wire origination. Authorized with OAuth 2.0. Documented in HTML on the developer portal; no public OpenAPI specification is downloadable. humanURL: https://developers-test.firsthorizon.com/apis/v1/lookups/aba tags: - Lookups - Routing Numbers - Payments - United States properties: - type: Documentation url: https://developers-test.firsthorizon.com/apis/v1/lookups/aba - type: Authentication url: https://developers-test.firsthorizon.com/apis/v0/oauth - type: DeveloperPortal url: https://developers-test.firsthorizon.com/ - aid: first-horizon:bic-lookup-v1 name: BIC Lookup v1 description: >- 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 instructions. Authorized with OAuth 2.0. Documented in HTML on the developer portal; no public OpenAPI specification is downloadable. humanURL: https://developers-test.firsthorizon.com/apis/v1/lookups/bic tags: - Lookups - SWIFT - BIC - International Payments - United States properties: - type: Documentation url: https://developers-test.firsthorizon.com/apis/v1/lookups/bic - type: Authentication url: https://developers-test.firsthorizon.com/apis/v0/oauth - type: DeveloperPortal url: https://developers-test.firsthorizon.com/ common: - type: DomainSecurity url: security/first-horizon-domain-security.yml - type: Website url: https://www.firsthorizon.com - type: DeveloperPortal url: https://developers-test.firsthorizon.com/ - type: Documentation url: https://developers-test.firsthorizon.com/get-started - type: ProductPage url: https://www.firsthorizon.com/Corporate/Products-and-Services/Treasury-Management/API-Banking-Solutions - type: Authentication url: https://developers-test.firsthorizon.com/apis/v0/oauth - type: LinkedIn url: https://www.linkedin.com/company/first-horizon-bank - type: Authentication url: authentication/first-horizon-authentication.yml - type: Conformance url: conformance/first-horizon-conformance.yml - type: LLMsTxt url: llms/first-horizon-llms.txt maintainers: - FN: API Evangelist email: kin@apievangelist.com url: https://apievangelist.com