Radar CNPJ

Check Brazilian companies with Radar CNPJ (radar-cnpj.com). Look up a CNPJ for the Receita Federal record, partners, sanctions (CEIS, CNEP, CEPIM, TCU, CNIA), federal tax debt, government contracts and 40+ public databases. Search companies by name, partner, phone, address or activity (CNAE) and place. Check a supplier list in bulk, count active, opened and closed companies for a business idea, and monitor CNPJ changes. Use when a task mentions CNPJ, empresa, Receita Federal, CNAE, sócios, fornecedor, due diligence, KYC or a Brazilian company.

Radar CNPJ serves the open company data of Brazil (CNPJ) from Receita Federal and 40+ public databases. Use it to identify a company, check its risk, find companies and measure how many companies of an activity exist in a place.

Connect

• MCP server (preferred): https://radar-cnpj.com/mcp?checkout=site. Transport: Streamable HTTP. The free tools need no key. With checkout=site, the person buys on the site and the agent never pays.
• HTTP API: base URL https://radar-cnpj.com. Each MCP tool calls one route of this API.
• If the MCP tools are not available, call the HTTP routes with curl or with your fetch tool.
• Discovery: GET https://radar-cnpj.com/api/ lists the routes, prices and limits. https://radar-cnpj.com/llms-full.txt has the full reference.

MCP tools

Tool	HTTP	Use it to	Cost
get_cnpj	GET /api/cnpj/{cnpj}	Read the company record: status, activities, address, partners (masked), sanctions, tax debt, contracts.	Free
consulta_cnpj	GET /api/consulta/cnpj/{cnpj}	Run the full check: live CNIA misconduct lookup, PEP partners, regulators, BNDES, federal payments, address on the map.	Daily free allowance, then balance
consulta_lote	POST /api/consulta/lote	Check a list of supplier or customer CNPJs, one row each, up to 100 per call.	One lookup per valid CNPJ
search	GET /api/busca	Find companies. Set tipo to nome, fantasia, socio, telefone, endereco or cnae.	Free
ref	GET /api/ref	Find official codes. Set tipo to cnae, municipio or natureza.	Free
ia_filters	POST /api/ia	Turn a plain-language request into search filters. It takes about 20 seconds.	Free
avaliar	POST /api/avaliar	Map a business idea and place to a CNAE. Count active, opened and closed companies.	Free
reveal_cnpj	POST /api/revelar/{cnpj}	Show partner names, phones and e-mail without the mask.	Per company; read pricing
dossier_cnpj	POST /api/dossie/{cnpj}	Get the company dossier with the live misconduct check and a risk light.	Per company
add_watch / list_watches	/api/me/monitor/watch(es)	Monitor a CNPJ for changes. Send a prepaid credit token in credito.	10 free, then per CNPJ
consulta_planos	GET /api/consulta	Read the free allowance of today, the plans and your balance.	Free
pricing	GET /api/pricing	Read the current prices and free allowances.	Free
health	GET /api/health	Read the date of the Receita data (import.dump_date).	Free

Rules

1. Start with the free tools. Use get_cnpj or search before a paid lookup.
2. Before a call that spends money or balance, read the price from pricing or consulta_planos. Do not use a price from memory.
3. Do not spend balance or reveal personal data until the user approves the item and the amount.
4. Never pay by yourself. If a call returns HTTP 402, show the price and https://radar-cnpj.com/pricing to the user. The person buys on the site. After the purchase, send the same call again with the person's prepaid credit token: header Authorization: Bearer cred_…, or the credito or credit_token tool argument.
5. When you retry a paid call, keep the same Idempotency-Key. The service does not charge the same request twice.
6. Keep tokens (cred_…, mmk_…) secret. Do not write them in files, logs or answers.
7. Partner names, phones and e-mails are personal data under the Brazilian data protection law (LGPD). Use them only for the legitimate purpose that the user states. Do not use them for unsolicited marketing or for automated decisions about people.
8. Give the source date with each answer. A count shows registered companies (supply). It does not show demand, revenue or search volume.
9. Lists return up to 20 items per page. Follow links.proximo. Do not guess IDs. Do not scrape HTML pages.
10. If you get HTTP 429 or 503, wait for the time in Retry-After and try once more.

Buy

• The person buys on the site: https://radar-cnpj.com/pricing shows the lookup plans, the packs and the prepaid credit, with the prices. Plans do not renew automatically.
• consulta_planos and pricing read the plans and the prices. They do not charge.
• A prepaid credit gives a cred_… token one time only. The same token works in Radar CNPJ, PontoFato and EditalMD.

Examples

bash

# Company record (free)
curl -s https://radar-cnpj.com/api/cnpj/33000167000101

# Companies by name and state (free)
curl -s 'https://radar-cnpj.com/api/busca?q=padaria&uf=DF'

# Business idea in a place (free)
curl -s -X POST https://radar-cnpj.com/api/avaliar \
  -H 'content-type: application/json' -d '{"texto":"padaria em Águas Claras"}'

Limits

• Radar CNPJ is not an official certificate. The data is the public Receita Federal dump and the listed public databases, each with its date.
• The free CNPJ record has an edge cache of 6 hours.
• Terms: https://radar-cnpj.com/termos. Privacy: https://radar-cnpj.com/privacidade. Contact: [e-mail].