generated: '2026-09-05'
method: searched
source: https://radar-cnpj.com/llms.txt (Cota section) + https://radar-cnpj.com/llms-full.txt + https://radar-cnpj.com/api/
limit_count: 3
headers:
  - Retry-After
exhaustion_statuses: [429, 402]
limits:
  - scope: per-session
    surface: 'POST /api/me/monitor/watch'
    limit: 10 free watches per anonymous monitoring session
    window: session lifetime
    on_exhaustion: 'HTTP 402 with x402 accepts[] — $0.50 USDC per additional watch per 30 days; pay and repeat with X-PAYMENT'
  - scope: per-agent
    surface: 'POST /api/contato, POST /api/contact'
    limit: first agent send free
    window: exponential backoff, 60s doubling to a 1h ceiling
    burst: 1
    on_exhaustion: 'HTTP 429 with Retry-After header (or pay $0.10 USDC via x402 to skip the captcha path)'
  - scope: edge-cache
    surface: 'GET /api/cnpj/*'
    limit: no request quota; responses edge-cached 6 hours
    window: 6h
    note: the Receita dump changes on a weeks cadence, so identical lookups are served from the Cloudflare edge
note: >-
  No X-RateLimit-*/RateLimit-* headers are documented; the runtime signals are Retry-After on
  429 and the x402 accepts[] body on 402. Free evaluation/lookup/search endpoints are documented
  as uncapped. The live numbers are published machine-readably in the quota block of
  GET https://radar-cnpj.com/api/.