Library of Congress nomination API

openapi: 3.0.3
info:
  description: 'Congress.gov shares its application programming interface (API) with the public to ingest the Congressional data. <a href="sign-up/" target="_blank">Sign up for an API key</a> from api.data.gov that you can use to access web services provided by Congress.gov. To learn more, view our <a href="https://github.com/LibraryOfCongress/api.congress.gov/" target="_blank">GitHub repository</a>.

    '
  title: Congress.gov amendments nomination API
  version: '3'
servers:
- url: /v3
security:
- ApiKeyAuth: []
tags:
- name: nomination
  description: Returns nomination data from the API
paths:
  /nomination:
    get:
      tags:
      - nomination
      summary: Returns a list of nominations sorted by date received from the President.
      description: Returns a list of nominations sorted by date received from the President.
      parameters:
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/offset'
      - $ref: '#/components/parameters/limit'
      - $ref: '#/components/parameters/fromDateTime'
      - $ref: '#/components/parameters/toDateTime'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Nominations'
            application/xml:
              schema:
                $ref: '#/components/schemas/Nominations'
        '400':
          description: Invalid status value
  /nomination/{congress}:
    get:
      tags:
      - nomination
      summary: Returns a list of nominations filtered by the specified congress and sorted by date received from the President.
      description: Returns a list of nominations filtered by the specified congress and sorted by date received from the President.
      parameters:
      - $ref: '#/components/parameters/congress'
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/offset'
      - $ref: '#/components/parameters/limit'
      - $ref: '#/components/parameters/fromDateTime'
      - $ref: '#/components/parameters/toDateTime'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Nominations'
            application/xml:
              schema:
                $ref: '#/components/schemas/Nominations'
        '400':
          description: Invalid status value
  /nomination/{congress}/{nominationNumber}:
    get:
      tags:
      - nomination
      summary: Returns detailed information for a specified nomination.
      description: Returns detailed information for a specified nomination.
      parameters:
      - $ref: '#/components/parameters/congress'
      - $ref: '#/components/parameters/nominationNumber'
      - $ref: '#/components/parameters/format'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Nomination'
            application/xml:
              schema:
                $ref: '#/components/schemas/Nomination'
        '400':
          description: Invalid status value
  /nomination/{congress}/{nominationNumber}/{ordinal}:
    get:
      tags:
      - nomination
      summary: Returns the list nominees for a position within the nomination.
      description: Returns the list nominees for a position within the nomination.
      parameters:
      - $ref: '#/components/parameters/congress'
      - $ref: '#/components/parameters/nominationNumber'
      - $ref: '#/components/parameters/ordinal'
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/offset'
      - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NominationNominee'
            application/xml:
              schema:
                $ref: '#/components/schemas/NominationNominee'
        '400':
          description: Invalid status value
  /nomination/{congress}/{nominationNumber}/actions:
    get:
      tags:
      - nomination
      summary: Returns the list of actions on a specified nomination.
      description: Returns the list of actions on a specified nomination.
      parameters:
      - $ref: '#/components/parameters/congress'
      - $ref: '#/components/parameters/nominationNumber'
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/offset'
      - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NominationActions'
            application/xml:
              schema:
                $ref: '#/components/schemas/NominationActions'
        '400':
          description: Invalid status value
  /nomination/{congress}/{nominationNumber}/committees:
    get:
      tags:
      - nomination
      summary: Returns the list of committees associated with a specified nomination.
      description: Returns the list of committees associated with a specified nomination.
      parameters:
      - $ref: '#/components/parameters/congress'
      - $ref: '#/components/parameters/nominationNumber'
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/offset'
      - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NominationCommittees'
            application/xml:
              schema:
                $ref: '#/components/schemas/NominationCommittees'
        '400':
          description: Invalid status value
  /nomination/{congress}/{nominationNumber}/hearings:
    get:
      tags:
      - nomination
      summary: Returns the list of printed hearings associated with a specified nomination.
      description: Returns the list of printed associated with a specified nomination.
      parameters:
      - $ref: '#/components/parameters/congress'
      - $ref: '#/components/parameters/nominationNumber'
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/offset'
      - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NominationHearing'
            application/xml:
              schema:
                $ref: '#/components/schemas/NominationHearing'
        '400':
          description: Invalid status value
components:
  schemas:
    nominationType:
      type: object
      properties:
        isCivilian:
          type: boolean
          example: false
        isMilitary:
          type: boolean
          example: true
    latestNominationAction:
      type: object
      properties:
        actionDate:
          type: string
          format: date
          example: '2022-12-07'
        text:
          type: string
          example: Received in the Senate and referred to the Committee on Armed Services.
    nominationHearing:
      type: object
      properties:
        chamber:
          type: string
          example: Senate
        citation:
          type: string
          example: S.Hrg.118-694
        date:
          type: string
          format: date
          example: '2024-02-28'
        jackeNumber:
          type: integer
          example: 61203
        number:
          type: integer
          example: 694
    nominee:
      type: object
      properties:
        nomineeCount:
          type: integer
          example: 1
        ordinal:
          type: integer
          example: 1
        organization:
          type: string
          example: Federal Maritime Commission
        positionTitle:
          type: string
          example: Federal Maritime Commissioner
        url:
          type: string
          format: url
          example: https://api.congress.gov/v3/nomination/118/16/1?format=json
    NominationCommittees:
      type: object
      properties:
        committees:
          type: array
          items:
            $ref: '#/components/schemas/nominationCommittee'
    Nomination:
      type: object
      properties:
        nomination:
          type: object
          properties:
            actions:
              type: object
              properties:
                count:
                  type: integer
                  example: 7
                url:
                  type: string
                  format: url
                  example: https://api.congress.gov/v3/nomination/118/16/actions?format=json
            authorityDate:
              type: string
              format: date
              example: '2025-10-21'
            citation:
              type: string
              example: PN16
            committees:
              type: object
              properties:
                count:
                  type: integer
                  example: 1
                url:
                  type: string
                  format: url
                  example: https://api.congress.gov/v3/nomination/118/16/committees?format=json
            congress:
              type: integer
              example: 118
            description:
              type: string
              example: Daniel B. Maffei, of New York, to be a Federal Maritime Commissioner for a term expiring June 30, 2027.  (Reappointment)
            hearings:
              type: object
              properties:
                count:
                  type: integer
                  example: 1
                url:
                  type: string
                  format: url
                  example: https://api.congress.gov/v3/nomination/118/16/hearings?format=json
            latestAction:
              type: object
              properties:
                actionDate:
                  type: string
                  format: date
                  example: '2024-05-14'
                text:
                  type: string
                  example: Confirmed by the Senate by Voice Vote.
            nominationType:
              $ref: '#/components/schemas/nominationType'
            nominees:
              type: array
              items:
                $ref: '#/components/schemas/nominee'
            number:
              type: integer
              example: 16
            partNumber:
              type: string
              example: '00'
            receivedDate:
              type: string
              format: date
              example: '2023-01-03'
            updateDate:
              type: string
              format: date-time
              example: '2025-10-22T15:58:44Z'
    senatecommittee:
      type: object
      properties:
        name:
          type: string
          example: Armed Services Committee
        systemCode:
          type: string
          example: ssas00
        url:
          type: string
          format: url
          example: https://api.congress.gov/v3/committee/senate/ssas00?format=json
    nomineeAction:
      type: object
      properties:
        actionCode:
          type: string
          example: S05120
        actionDate:
          type: string
          format: date
          example: '2022-08-03'
        committees:
          type: array
          items:
            $ref: '#/components/schemas/senatecommittee'
        text:
          type: string
          example: Received in the Senate and referred to the Committee on Armed Services
        type:
          type: string
          example: IntroReferral
    NominationActions:
      type: object
      properties:
        actions:
          type: array
          items:
            $ref: '#/components/schemas/nomineeAction'
    nominationCommittee:
      type: object
      properties:
        activities:
          type: array
          items:
            $ref: '#/components/schemas/Activity'
        chamber:
          type: string
          example: Senate
        name:
          type: string
          example: Judiciary Committee
        systemCode:
          type: string
          example: ssju00
        type:
          type: string
          example: Standing
        url:
          type: string
          format: url
          example: https://api.congress.gov/v3/committee/senate/ssju00?format=json
    nomination:
      type: object
      properties:
        citation:
          type: string
          example: PN2804
        congress:
          type: integer
          example: 117
        description:
          type: string
          example: Mary Anne Carter, of Tennessee, to be Chairperson of the National Endowment for the Arts for a term of four years, vice Maria Rosario Jackson, resigned.
        latestAction:
          $ref: '#/components/schemas/latestNominationAction'
        nominationType:
          $ref: '#/components/schemas/nominationType'
        number:
          type: integer
          example: 2804
        organization:
          type: string
          example: Army
        partNumber:
          type: string
          example: '00'
        receivedDate:
          type: string
          format: date
          example: '2022-12-07'
        updateDate:
          type: string
          format: date-time
          example: '2022-12-08T05:25:17Z'
        url:
          type: string
          format: url
          example: https://api.congress.gov/v3/nomination/117/2804?format=json
    NominationNominee:
      type: object
      properties:
        nominees:
          type: array
          items:
            $ref: '#/components/schemas/nominee'
    Activity:
      type: object
      properties:
        date:
          type: string
          format: date
          example: '2019-01-01'
        name:
          type: string
          example: Reported By
    NominationHearing:
      type: object
      properties:
        hearings:
          type: array
          items:
            $ref: '#/components/schemas/nominationHearing'
    Nominations:
      type: object
      properties:
        nominations:
          type: array
          items:
            $ref: '#/components/schemas/nomination'
  parameters:
    congress:
      name: congress
      in: path
      description: The congress number. For example, can be 117.
      required: true
      schema:
        type: integer
        format: int32
    limit:
      name: limit
      in: query
      description: The number of records returned. The maximum limit is 250.
      required: false
      schema:
        type: integer
    offset:
      name: offset
      in: query
      description: The starting record returned. 0 is the first record.
      required: false
      schema:
        type: integer
    nominationNumber:
      name: nominationNumber
      in: path
      description: The nomination’s assigned number. For example, the value can be 389.
      required: true
      schema:
        type: integer
    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
    fromDateTime:
      name: fromDateTime
      in: query
      description: 'The starting timestamp to filter by update date. Use format: YYYY-MM-DDT00:00:00Z.'
      required: false
      schema:
        type: string
    toDateTime:
      name: toDateTime
      in: query
      description: 'The ending timestamp to filter by update date. Use format: YYYY-MM-DDT00:00:00Z.'
      required: false
      schema:
        type: string
    ordinal:
      name: ordinal
      in: path
      description: The ordinal number. For example, the value can be 1
      required: true
      schema:
        type: integer
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: query
      name: api_key