DeepInquiry API

Every DeepInquiry fact is available as JSON. Auth by API key; usage is metered and logged.

Endpoints

• GET /api/v1/facts/random
  One random verified fact
• GET /api/v1/facts?category=X&era=Y&limit=N
  Filtered list of facts
• GET /api/v1/facts/:id
  Single fact lookup with citations

Pricing

• Free
  500 calls/month · 30 req/min · Standard-quality facts · attribution required
• Starter — $59/mo
  10,000 calls/month · 60 req/min · Standard + verified facts · commercial use OK
• Growth — $219/mo
  50,000 calls/month · 300 req/min · Gold, Silver and Bronze facts
• Scale — $719/mo
  250,000 calls/month · 1,000 req/min · Bulk export + webhook alerts + shared Slack
• Enterprise — Contact sales
  Custom quota · SLA · dedicated infra · SSO/SAML · MSA/DPA

Requests over the monthly quota get a 429 response until the quota resets; upgrade any time from the dashboard.

See full pricing and subscribe →