generated: '2026-07-18' method: searched source: openapi/due-openapi-original.yml docs: https://due.readme.io/docs/creating-customers summary: types: - http http_schemes: - bearer note: >- Due authenticates with an API key presented as an HTTP bearer token (Authorization: Bearer ). Per-account operations are additionally scoped by the Due-Account-Id header. Read-only FX/market endpoints require no authentication. Sandbox and production use environment-specific keys/hosts. schemes: - name: BearerAuth type: http scheme: bearer description: API key presented as a bearer token. header: Authorization sources: - openapi/due-openapi-original.yml account_scoping: header: Due-Account-Id note: Scopes per-account requests (see webhook fetch/retry examples). public_endpoints: note: FX markets (getmarkets, getmarket, getmarkethistory) are public and require no authentication.