US House of Representatives website screenshot

US House of Representatives

The United States House of Representatives is one of the two chambers of the United States Congress, with the other being the Senate. Its main function is to pass federal legislation, which must then be approved by the Senate before it can become law. The House also has the power to impeach government officials, including the President, and to initiate revenue-related bills. Congressional data is made available through the Congress.gov API, a REST API maintained by the Library of Congress that provides access to bills, members, committees, amendments, nominations, and treaties.

US House of Representatives publishes 5 APIs on the APIs.io network, including Bills API, Committees API, Members API, and 2 more. Tagged areas include Federal Government, Legislation, Congress, Legislative Data, and Bills.

The US House of Representatives catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

US House of Representatives’ developer surface includes authentication and 4 more developer resources.

42.3/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
6 APIs
Federal GovernmentLegislationCongressLegislative DataBillsMembersCommittees

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 42.3/100 · developing
Contract Quality 15.9 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 5.7 / 12
Discoverability 6.5 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/us-house-of-representatives: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

ProPublica Congress API

ProPublica's Congress API provides access to detailed congressional data including member profiles, voting records, bill sponsorship, and committee activity. This third-party AP...

US House of Representatives Bills API

Legislative bills and resolutions

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Congress.gov API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

FinOps 1

Cost, billing, and metering signals for API financial operations.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Us House Of Representatives Context

26 classes · 5 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

US House of Representatives API Rules

11 rules · 1 errors 6 warnings 4 info

SPECTRAL

US House of Representatives API Rules

5 rules · 3 warnings 2 info

SPECTRAL

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

Congress.gov Bill

14 properties

JSON SCHEMA

Congress.gov Member

18 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Congress Gov Bill Structure

0 properties

JSON STRUCTURE

Examples 1

Example request and response payloads for these APIs.

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Us House Of Representatives Authentication

apiKey · 1 scheme

SECURITY

Us House Of Representatives Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Us House Of Representatives Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Us House Of Representatives Agentic Access

19 operations

19 operations · 0 acting

AGENTIC

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Access & Security 3

Authentication, authorization, and security posture

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: us-house-of-representatives
url: https://raw.githubusercontent.com/api-evangelist/us-house-of-representatives/refs/heads/main/apis.yml
apis:
- aid: us-house-of-representatives:propublica-congress-api
  name: ProPublica Congress API
  tags:
  - Legislation
  - Congress
  - Voting Records
  - Campaign Finance
  humanURL: https://projects.propublica.org/api-docs/congress-api/
  properties:
  - url: https://projects.propublica.org/api-docs/congress-api/
    type: Documentation
  description: ProPublica's Congress API provides access to detailed congressional data including member profiles, voting
    records, bill sponsorship, and committee activity. This third-party API aggregates and enriches congressional data from
    multiple public sources.
- aid: us-house-of-representatives:us-house-of-representatives-bills-api
  name: US House of Representatives Bills API
  description: Legislative bills and resolutions
  humanURL: https://www.loc.gov/apis/additional-apis/congress-dot-gov-api/
  tags:
  - Bills
  properties:
  - type: OpenAPI
    url: openapi/us-house-of-representatives-bills-api-openapi.yml
  - type: Documentation
    url: https://www.loc.gov/apis/additional-apis/congress-dot-gov-api/
  - type: GitHub
    url: https://github.com/LibraryOfCongress/api.congress.gov
  - type: BaseURL
    url: https://api.congress.gov/
- aid: us-house-of-representatives:us-house-of-representatives-committees-api
  name: US House of Representatives Committees API
  description: Congressional committees
  humanURL: https://www.loc.gov/apis/additional-apis/congress-dot-gov-api/
  tags:
  - Committees
  properties:
  - type: OpenAPI
    url: openapi/us-house-of-representatives-committees-api-openapi.yml
  - type: Documentation
    url: https://www.loc.gov/apis/additional-apis/congress-dot-gov-api/
  - type: GitHub
    url: https://github.com/LibraryOfCongress/api.congress.gov
  - type: BaseURL
    url: https://api.congress.gov/
- aid: us-house-of-representatives:us-house-of-representatives-members-api
  name: US House of Representatives Members API
  description: Members of Congress
  humanURL: https://www.loc.gov/apis/additional-apis/congress-dot-gov-api/
  tags:
  - Members
  properties:
  - type: OpenAPI
    url: openapi/us-house-of-representatives-members-api-openapi.yml
  - type: Documentation
    url: https://www.loc.gov/apis/additional-apis/congress-dot-gov-api/
  - type: GitHub
    url: https://github.com/LibraryOfCongress/api.congress.gov
  - type: BaseURL
    url: https://api.congress.gov/
- aid: us-house-of-representatives:us-house-of-representatives-nominations-api
  name: US House of Representatives Nominations API
  description: Presidential nominations
  humanURL: https://www.loc.gov/apis/additional-apis/congress-dot-gov-api/
  tags:
  - Nominations
  properties:
  - type: OpenAPI
    url: openapi/us-house-of-representatives-nominations-api-openapi.yml
  - type: Documentation
    url: https://www.loc.gov/apis/additional-apis/congress-dot-gov-api/
  - type: GitHub
    url: https://github.com/LibraryOfCongress/api.congress.gov
  - type: BaseURL
    url: https://api.congress.gov/
- aid: us-house-of-representatives:us-house-of-representatives-treaties-api
  name: US House of Representatives Treaties API
  description: International treaties
  humanURL: https://www.loc.gov/apis/additional-apis/congress-dot-gov-api/
  tags:
  - Treaties
  properties:
  - type: OpenAPI
    url: openapi/us-house-of-representatives-treaties-api-openapi.yml
  - type: Documentation
    url: https://www.loc.gov/apis/additional-apis/congress-dot-gov-api/
  - type: GitHub
    url: https://github.com/LibraryOfCongress/api.congress.gov
  - type: BaseURL
    url: https://api.congress.gov/
name: US House of Representatives
tags:
- Federal Government
- Legislation
- Congress
- Legislative Data
- Bills
- Members
- Committees
kind: contract
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/us-house-of-representatives.png
access: 3rd-Party
created: '2024-12-03'
modified: '2026-05-19'
position: Consuming
description: The United States House of Representatives is one of the two chambers of the United States Congress, with the
  other being the Senate. Its main function is to pass federal legislation, which must then be approved by the Senate before
  it can become law. The House also has the power to impeach government officials, including the President, and to initiate
  revenue-related bills. Congressional data is made available through the Congress.gov API, a REST API maintained by the Library
  of Congress that provides access to bills, members, committees, amendments, nominations, and treaties.
common:
- type: AgenticAccess
  url: agentic-access/us-house-of-representatives-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/us-house-of-representatives-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/us-house-of-representatives-domain-security.yml
- type: Authentication
  url: authentication/us-house-of-representatives-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/u-s-house-of-representatives
- type: Integrations
  url: https://www.loc.gov/apps
integrations:
- name: Facebook
- name: Copy Link
- name: Library of Congress Facebook
- name: Library of Congress X
- name: Library of Congress YouTube
- name: Library of Congress Pinterest
- name: Library of Congress Flickr
- name: Library of Congress Instagram
- name: Library of Congress iTunesU
- name: Library of Congress LinkedIn
- name: Email
- name: Congress.gov
- name: United States Copyright Office
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
specificationVersion: '0.19'