# OpenStates API (Plural Policy)

**Canonical:** https://apis.io/apis/public-sector/openstates-api-plural-policy/  
**Provider:** Public Sector — https://apis.io/providers/public-sector/  
**Base URL:** https://v3.openstates.org  
**Documentation:** https://openstates.org

OpenStates API (Plural Policy) is one of 21 APIs that [Public Sector](https://apis.io/providers/public-sector/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include States, Civic Tech, Legislative, Bills, and Plural Policy. The published artifact set on APIs.io includes API documentation and a GitHub repository.

OpenStates v3 REST API at v3.openstates.org, operated by Plural Policy, providing JSON access to U.S. state legislative information — bills, people (legislators and governors), jurisdictions, committees, and events across all 50 states, D.C., and territories. Authentication via X-API-KEY header or apikey query parameter. The legacy v2 GraphQL endpoint is deprecated.

## Machine-readable artifacts (4)

- **Portal** — https://openstates.org
- **Documentation** — https://docs.openstates.org/api-v3/
- **GitHubOrganization** — https://github.com/openstates
- **GitHubRepository** — https://github.com/openstates/openstates-scrapers

## Other Public Sector APIs (12)

- [api.data.gov](https://apis.io/apis/public-sector/apidatagov/)
- [data.gov (CKAN catalog)](https://apis.io/apis/public-sector/datagov-ckan-catalog/)
- [Regulations.gov API](https://apis.io/apis/public-sector/regulationsgov-api/)
- [Federal Register API](https://apis.io/apis/public-sector/federal-register-api/)
- [GovInfo API](https://apis.io/apis/public-sector/govinfo-api/)
- [SAM.gov APIs](https://apis.io/apis/public-sector/samgov-apis/)
- [USAspending.gov API](https://apis.io/apis/public-sector/usaspendinggov-api/)
- [Treasury Fiscal Data API](https://apis.io/apis/public-sector/treasury-fiscal-data-api/)
- [Congress.gov API](https://apis.io/apis/public-sector/congressgov-api/)
- [FEC openFEC API](https://apis.io/apis/public-sector/fec-openfec-api/)
- [api.weather.gov (NOAA NWS)](https://apis.io/apis/public-sector/apiweathergov-noaa-nws/)
- [api.nasa.gov](https://apis.io/apis/public-sector/apinasagov/)

## Tags

States, Civic Tech, Legislative, Bills, Plural Policy

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/public-sector/openstates-api-plural-policy/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/public-sector/.