Funding Circle · Authentication Profile

Funding Circle Authentication

Authentication

Funding Circle secures its APIs with oauth2 across 1 declared security scheme, as derived from its OpenAPI definitions. OAuth 2.0 is offered via the clientCredentials flow(s).

CompanyConsumerLendingSmall BusinessFintechLoansFinancial ServicesPayments
Methods: oauth2 Schemes: 1 OAuth flows: clientCredentials API key in:

Security Schemes

oauth2 oauth2

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-19'
method: searched
source: https://www.fundingcircle.com/uk/partners/developer/api-doc/
docs: https://www.fundingcircle.com/uk/partners/developer/api-doc/
summary:
  types: [oauth2]
  oauth2_flows: [clientCredentials]
  api_key_in: []
schemes:
  - name: oauth2
    type: oauth2
    flow: clientCredentials
    description: >-
      OAuth 2.0 Client Credentials grant (RFC 6749 Section 4.4). Base64-encode
      `client_id:client_secret` and POST to the token endpoint to receive an
      access_token valid for 24 hours. Send it as `Authorization: Bearer
      {access_token}` on every request except the presigned document-upload PUT.
    token_url_sandbox: https://auth.sandbox.api.fundingcircle.co.uk/oauth2/token
    token_ttl_seconds: 86400
    scopes: []
    sources: [openapi/funding-circle-introducer-openapi.yml]
notes:
  - No OAuth scopes are documented (client-credentials, coarse-grained access).
  - Do not attach the bearer token to the presigned S3 document-upload PUT request.