Library of Congress · Authentication Profile

Loc Authentication

Authentication

Library of Congress secures its APIs with apiKey across 1 declared security scheme, as derived from its OpenAPI definitions.

LibraryGovernmentCongressLegislative DataDigital CollectionsNewspapersMapsBibliographic RecordsHistorical Documents
Methods: apiKey Schemes: 1 OAuth flows: API key in: query

Security Schemes

ApiKeyAuth apiKey
· in: query (api_key)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/loc-congress-gov-openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - query
schemes:
- name: ApiKeyAuth
  type: apiKey
  in: query
  parameter: api_key
  sources:
  - openapi/loc-congress-gov-openapi.yml