name: Regulations.gov API Plans & Pricing
description: Regulations.gov API is a free government API managed by GSA and operated through api.data.gov. There are no paid tiers — all access requires a free API key registration.
plans:
  - name: DEMO_KEY
    description: A shared demonstration key for initial exploration of the API, available without registration. Subject to strict IP-based rate limits.
    price: 0
    currency: USD
    rateLimit:
      requests: 30
      period: hour
      secondary:
        requests: 50
        period: day
    features:
      - Read-only access to documents, dockets, and comments endpoints
      - No registration required
      - Suitable for initial exploration only
      - Not for production use
  - name: Registered API Key
    description: Free API key obtained by registering at api.data.gov. Required for production use and for submitting comments via the POST API.
    price: 0
    currency: USD
    rateLimit:
      requests: 1000
      period: hour
    commentingApiLimit:
      requests: 50
      period: minute
      secondary:
        requests: 500
        period: hour
    features:
      - Full read access to documents, dockets, and comments
      - POST comment submission (when enabled)
      - Higher rate limits than DEMO_KEY
      - Rate limit increases available upon request with justification
    registration: https://api.data.gov/signup/
notes:
  - The API is free for all users; no paid commercial tiers exist.
  - Rate limit increase requests are reviewed case-by-case by GSA; contact eRulemaking@gsa.gov.
  - The POST/commenting API availability may be subject to policy changes by GSA.
contact: eRulemaking@gsa.gov