generated: '2026-09-10'
method: searched
source: https://crustapi.com/v1/openapi.json + https://crustapi.com/llms.txt + https://crustapi.com/pricing
api: CrustAPI
note: >-
  No separate test-vs-live key mode is published — all keys carry the key_live_ prefix.
  Free evaluation is via a monthly free allowance and a no-key public demo endpoint.
free_tier:
  allowance_usd: 6
  period: monthly
  card_required: false
public_demo:
  endpoint: GET /v1/demo?type=<surface>&q=<query>
  auth: none
  rate_limited: true
  note: OpenAPI security [] (no key); useful for a no-signup smoke test. Verified present in spec.
playground:
  location: dashboard (after signup)
  note: Live playground with mini-batch — run up to 100 queries at once.
test_key_prefixes:
  live: key_live_
  test: none-published
test_fixtures: none-published
time_simulation: none-published