generated: '2026-07-23' method: searched source: https://developers-test.firsthorizon.com/apis/v0/oauth docs: https://developers-test.firsthorizon.com/apis/v0/oauth note: >- No public OpenAPI is downloadable, so the securityScheme could not be derived mechanically. First Horizon's API Banking developer portal documents that all API Banking endpoints are authorized with OAuth 2.0 access tokens. The specific grant/flow, authorization and token URLs, and scope names are behind partner/relationship-gated onboarding and are not published anonymously; they are recorded here as unspecified rather than fabricated. summary: types: - oauth2 api_key_in: [] oauth2_flows: [] schemes: - name: OAuth2 type: oauth2 documented: true flows: [] authorization_url: null token_url: null scopes: [] applies_to: - Move Money Transfer v1 - ACH Origination - Account Information - ABA Lookup v1 - BIC Lookup v1 sources: - https://developers-test.firsthorizon.com/apis/v0/oauth