generated: '2026-09-05'
method: searched
source: https://radar-cnpj.com/api/ (quota block) + https://radar-cnpj.com/llms.txt
plan_count: 2
model: free core + x402 micropayments (USDC on Base); no accounts, no subscription tiers
plans:
  - name: Free
    price: 0
    currency: USD
    billing_period: none
    included:
      - feature: idea evaluation (POST /api/avaliar)
        quota: unlimited
      - feature: CNPJ lookup and search
        quota: unlimited (6h edge cache)
      - feature: CNPJ monitoring
        quota: 10 watches per anonymous session (quota enforced by the origin, reported in GET /api/me/monitor/watches)
      - feature: agent contact
        quota: first send free, then 60s-doubling backoff to 1h (Retry-After)
  - name: Pay-per-use (x402)
    price: metered
    currency: USDC (on Base)
    billing_period: per request
    prices:
      - item: monitoring watch beyond the 10 free, per CNPJ per 30 days
        price_usd: 0.50
      - item: agent contact without captcha (POST /api/contato)
        price_usd: 0.10
      - item: prepaid credit reload (POST /api/credito, packages of 1, 5, 10 or 25 USD)
        price_usd: 'package amount'
    note: >-
      Overage arrives as HTTP 402 with x402 accepts[]; pay and repeat the same call with
      X-PAYMENT, or hold a prepaid cred_ bearer token that debits any paid API.