generated: '2026-07-22'
method: searched
source: https://site.financialmodelingprep.com/api-docs.md + https://site.financialmodelingprep.com/pricing.md
authentication:
  style: api-key
  locations:
  - in: query
    name: apikey
  - in: header
    name: apikey
  notes: Append ?apikey=YOUR_API_KEY (or &apikey= when other query parameters exist), or send an apikey request
    header. See authentication/financial-modeling-prep-authentication.yml.
idempotency:
  supported: false
  notes: Read-only GET surface; no Idempotency-Key contract published.
pagination:
  style: offset
  params:
  - page
  - limit
  notes: page starts at 0; limit caps result count. Present on list/search endpoints (insider trading search, stock
    screener, etc.).
parameters:
  notes: 'FMP docs instruct: do not assume endpoints have parameters other than the ones explicitly specified for
    each endpoint.'
versioning:
  scheme: stable-channel
  base_url: https://financialmodelingprep.com/stable
  notes: Legacy /api/v3 and /api/v4 are discontinued. See lifecycle/.
error_envelope:
  shape: '{"Error Message": "..."}'
  notes: See errors/financial-modeling-prep-problem-types.yml.
rate_limits:
  signaling: not documented
  plan_limits:
  - plan: Basic (free)
    limit: 250 API calls/day
  - plan: Starter
    limit: 300 API calls/min
  - plan: Premium
    limit: 750 API calls/min
  - plan: Ultimate
    limit: 3000 API calls/min
  notes: A trailing 30-day bandwidth consumption policy also applies (FAQ). See rate-limits/financial-modeling-prep-rate-limits.yml.
streaming:
  websocket: wss://socket.financialmodelingprep.com
  socketio: wss://socketio.financialmodelingprep.com
  notes: Login with API key, then subscribe/unsubscribe events. See asyncapi/.
cross_links:
- errors/financial-modeling-prep-problem-types.yml
- lifecycle/financial-modeling-prep-lifecycle.yml
- authentication/financial-modeling-prep-authentication.yml
- rate-limits/financial-modeling-prep-rate-limits.yml