Library of Congress

Library of Congress Laws API

The Laws API from Library of Congress — 1 operation(s) for laws.

Documentation GitHub OpenAPI

Operations 1

GET /law/{congress} List Laws #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Library of Congress Congress.gov Laws API
  description: The Congress.gov API provides programmatic access to legislative information from the U.S. Congress, including bills, laws, members, committees, amendments, and Congressional Record content. An API key is required for access.
  version: 1.0.0
  contact:
    name: Library of Congress
    url: https://api.congress.gov/
servers:
- url: https://api.congress.gov/v3
  description: Production
security:
- ApiKeyAuth: []
tags:
- name: Laws
paths:
  /law/{congress}:
    get:
      operationId: listLaws
      summary: List Laws
      tags:
      - Laws
      parameters:
      - name: congress
        in: path
        required: true
        schema:
          type: integer
      - $ref: '#/components/parameters/Format'
      - $ref: '#/components/parameters/Offset'
      - $ref: '#/components/parameters/Limit'
      responses:
        '200':
          description: Laws list
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LawList'
components:
  parameters:
    Offset:
      name: offset
      in: query
      schema:
        type: integer
        default: 0
    Limit:
      name: limit
      in: query
      schema:
        type: integer
        default: 20
        maximum: 250
    Format:
      name: format
      in: query
      schema:
        type: string
        enum:
        - json
        - xml
        default: json
  schemas:
    Pagination:
      type: object
      properties:
        count:
          type: integer
        next:
          type: string
        prev:
          type: string
    LawList:
      type: object
      properties:
        bills:
          type: array
          items:
            $ref: '#/components/schemas/Bill'
        pagination:
          $ref: '#/components/schemas/Pagination'
    Bill:
      type: object
      properties:
        congress:
          type: integer
        number:
          type: string
        type:
          type: string
        title:
          type: string
        originChamber:
          type: string
        introducedDate:
          type: string
        latestAction:
          type: object
          properties:
            actionDate:
              type: string
            text:
              type: string
        url:
          type: string
          format: uri
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: query
      name: api_key