Open States API v3

api:openstates.org · v2021.11.12 · source: apis.guru

More documentation Register for an account We are currently working to restore experimental support for committees & events. During this period please note that data is not yet available for all states and the exact format of the new endpoints may change slightly depending on user feedback. If you have any issues or questions use our GitHub Issues to give feedback.

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Last check

Website answers · checked 2026-10-17

Test & rating

B 82/100

What it does: open_data · auth: unknown · OpenAPI spec

How the rating is made

Website answers: +40
OpenAPI spec: +20
Auth effort: +5
HTTPS: +5
CORS: +2
Description: +10

Rated 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call; APIs are not called, so B is their best grade.

Use

Documentation: https://openstates.org
OpenAPI spec: https://api.apis.guru/v2/specs/openstates.org/2021.11.12/openapi.json
Auth: auth unknown

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