Library of Congress

Library of Congress API

Returns congress and congressional sessions data from the API

Documentation GitHub OpenAPI

Operations 3

GET /congress Returns a list of congresses and congressional sessions #

GET /congress/{congress} Returns a list of congresses and congressional sessions #

GET /congress/current Returns a list of congresses and congressional sessions #

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OpenAPI Specification

openapi: 3.2.0
info:
  description: Congress.gov shares its application programming interface (API) with the public to ingest the Congressional data. Sign up for an API key from api.data.gov that you can use to access web services provided by Congress.gov. To learn more, view our GitHub repository.
  title: .gov Congress API
  version: '3'
servers:
- url: /v3
security:
- ApiKeyAuth: []
tags:
- name: congress
  description: Returns congress and congressional sessions data from the API
paths:
  /congress:
    get:
      tags:
      - congress
      summary: Returns a list of congresses and congressional sessions
      description: Returns a list of congresses and congressional sessions.
      parameters:
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/offset'
      - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Congresses'
            application/xml:
              schema:
                $ref: '#/components/schemas/Congresses'
        '400':
          description: Invalid status value
      operationId: getCongress
      x-operation-id-source: derived
  /congress/{congress}:
    get:
      tags:
      - congress
      summary: Returns a list of congresses and congressional sessions
      description: Returns a list of congresses and congressional sessions.
      parameters:
      - $ref: '#/components/parameters/congress'
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/offset'
      - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Congresses'
            application/xml:
              schema:
                $ref: '#/components/schemas/Congresses'
        '400':
          description: Invalid status value
      operationId: getCongressByCongress
      x-operation-id-source: derived
  /congress/current:
    get:
      tags:
      - congress
      summary: Returns a list of congresses and congressional sessions
      description: Returns a list of congresses and congressional sessions.
      parameters:
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/offset'
      - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Congresses'
            application/xml:
              schema:
                $ref: '#/components/schemas/Congresses'
        '400':
          description: Invalid status value
      operationId: getCongressCurrent
      x-operation-id-source: derived
components:
  parameters:
    congress:
      name: congress
      in: path
      description: The congress number. For example, can be 117.
      required: true
      schema:
        type: integer
        format: int32
    format:
      name: format
      in: query
      description: The data format. Value can be xml or json.
      required: false
      schema:
        type: string
        default: xml
        enum:
        - xml
        - json
    offset:
      name: offset
      in: query
      description: The starting record returned. 0 is the first record.
      required: false
      schema:
        type: integer
    limit:
      name: limit
      in: query
      description: The number of records returned. The maximum limit is 250.
      required: false
      schema:
        type: integer
  schemas:
    Congress:
      type: object
      properties:
        endYear:
          type: string
          example: '2022'
        name:
          type: string
          example: 117th Congress
        sessions:
          type: array
          items:
            $ref: '#/components/schemas/Sessions'
        startYear:
          type: string
          example: '2021'
    Congresses:
      type: array
      items:
        $ref: '#/components/schemas/Congress'
    Sessions:
      type: object
      properties:
        chamber:
          type: string
          example: House of Representatives
        number:
          type: integer
          example: 1
        startDate:
          type: string
          format: date
          example: '2019-01-01'
        endDate:
          type: string
          format: date
          example: '2020-01-01'
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: query
      name: api_key

Library of Congress API

Operations 3

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