Blend · Authentication Profile

Blend Mortgage Authentication

Authentication

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

Digital LendingMortgageConsumer LendingAccount OpeningFinTechLoan OriginationBankingFinancial Services
Methods: http Schemes: 1 OAuth flows: API key in:

Security Schemes

bearerAuth http
scheme: bearer

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/blend-mortgage-openapi.yml
summary:
  types:
  - http
schemes:
- name: bearerAuth
  type: http
  scheme: bearer
  bearerFormat: JWT
  description: Blend authenticates requests with an authorization Bearer token. Each call must
    also send blend-api-version (to pin the API version) and blend-target-instance (tenant~instance)
    headers. API Secret Keys are exchanged for short-lived, request-scoped JWTs at Blend's API
    Gateway. Credentials are issued to Blend customers and certified partners - contact your
    Blend account team or partnerships to obtai
  sources:
  - openapi/blend-mortgage-openapi.yml