US Citizenship and Immigration Services · Authentication Profile

Us Citizenship And Immigration Services Authentication

Authentication

US Citizenship and Immigration Services 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).

Federal GovernmentImmigrationCitizenshipCase StatusFOIA
Methods: oauth2 Schemes: 1 OAuth flows: clientCredentials API key in:

Security Schemes

OAuth2 oauth2
· flows: clientCredentials

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/uscis-case-status-api-openapi.yml, openapi/uscis-foia-api-openapi.yml
summary:
  types:
  - oauth2
  oauth2_flows:
  - clientCredentials
schemes:
- name: OAuth2
  type: oauth2
  flows:
  - flow: clientCredentials
    tokenUrl: https://api-int.uscis.gov/oauth/accesstoken
    scopes: 1
  description: OAuth 2.0 Client Credentials flow. Obtain an access token from the USCIS token
    endpoint using your client_id and client_secret registered at developer.uscis.gov. Tokens
    expire after 1,800 seconds (30 minutes).
  sources:
  - openapi/uscis-case-status-api-openapi.yml
  - openapi/uscis-foia-api-openapi.yml