Teller · Authentication Profile

Teller Authentication

Authentication

Teller secures its APIs with http across 1 declared security scheme, as derived from its OpenAPI definitions.

BankingFinancial DataFinTechOpen BankingTransactionsUnified API
Methods: http Schemes: 1 OAuth flows: API key in:

Security Schemes

BearerMtls http
scheme: bearer

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/teller-openapi.yml
summary:
  types:
  - http
schemes:
- name: BearerMtls
  type: http
  scheme: bearer
  description: 'Access token obtained via Teller Connect when a user successfully enrolls their
    bank account. Must be used together with a Teller client certificate (mTLS). Encoded using
    HTTP Basic Auth scheme: ACCESS_TOKEN as username, empty password.'
  sources:
  - openapi/teller-openapi.yml