# Radar CNPJ, free, Agent evaluation: Company discovery API

> Navigate to a municipality/CNAE collection. Each company item includes `dados` (registration status, activity, address and other public company fields), up to 20 per page, in JSON/MCP/Markdown.

Radar CNPJ's Agent evaluation plan for the company discovery API costs $0.00 per 1,000 companies. Radar CNPJ's docs list 3 of the 13 fields on our checklist: Type and status, Employees, Headquarters.
We haven't run Radar CNPJ through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 966 plans for company discovery APIs by price. Half the plans cost $1.00 per 1,000 companies or less. [See the best free company discovery API plan.](https://datacircle.dev/best-company-discovery-api.txt)
[StackScan's $189 monthly plan](https://datacircle.dev/company-discovery-apis/stackscan/189-monthly-enterprise-post-v1-tech-lookup-lists/llms.txt) is the cheapest paid plan per 1,000 companies. StackScan's $189 monthly plan charges nothing per call. You get as many companies as StackScan's rate limit allows.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/radar-cnpj/free-agent-evaluation
- [Company discovery API: the best of 80+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://radar-cnpj.com/api/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://api.radar-cnpj.com/empresas/uf/{uf}/cidade/{cidade}/cnae/{cnae}/index.json`
- API key: with the plan, on https://radar-cnpj.com/api/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://radar-cnpj.com/api-access-guide.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: Radar CNPJ (https://radar-cnpj.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 23%
- Type and status: ✓
- Employees: ✓
- Headquarters: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: page of 20
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Navigate to a municipality/CNAE collection. Each company item includes `dados` (registration status, activity, address and other public company fields), up to 20 per page, in JSON/MCP/Markdown.

## Data

- Freshness: 1 month
- Countries: Brazil
- Keep data: no limit
- Use data: Os dados públicos de /empresas/ estão sob a licença ODbL 1.0 (https://opendatacommons.org/licenses/odbl/1-0/). Use, compartilhe e adapte, até para fins comerciais, com crédito ao Radar CNPJ e link para a página de origem. A base derivada que você publicar segue a mesma licença. A licença não cobre dado pessoal, que segue a LGPD, nem os recursos pagos.

## Plan

- Pay: $0
- You get: 1,000 requests
- Enough for: 1,000 pages, once
- Expires: 30 days

## Rate limit

- Per second: 1

## Speed

- Answer: in the call

## The call

- You send: uf, cidade, cnae. Optional: depois
- Method: GET
- Path: /empresas/uf/{uf}/cidade/{cidade}/cnae/{cnae}/index.json

## About the plan

- Plan: Agent evaluation
- Who can get it: anyone with a free X-Agent-Pass credential, once per credential

## The 17 fields the plan's answer can hold

CNPJ, legal name, trade name, head office or branch, registration status, registration status date, special status, opening date, legal nature, company size, share capital, main CNAE, secondary CNAEs, address, Simples Nacional option, MEI option, total results

## Radar CNPJ's plans (4)

- [Radar CNPJ, free, Agent evaluation](https://datacircle.dev/company-discovery-apis/radar-cnpj/free-agent-evaluation/llms.txt): $0.00 per 1,000, 23% complete, 1 month
- [Radar CNPJ, free, Anonymous reads](https://datacircle.dev/company-discovery-apis/radar-cnpj/free-anonymous-reads/llms.txt): $0.00 per 1,000, 23% complete, 1 month
- [Radar CNPJ, free, no quota, GET /api/export](https://datacircle.dev/company-discovery-apis/radar-cnpj/free-no-quota-get-api-export/llms.txt): $0.00 per 1,000, 8% complete
- [Radar CNPJ, $1 pack](https://datacircle.dev/company-discovery-apis/radar-cnpj/1-pack/llms.txt): $0.05 per 1,000, 23% complete, 1 month

## Radar CNPJ's calls for this API (3)

- `GET /empresas/uf/{uf}/cidade/{cidade}/cnae/{cnae}/index.json`: [Radar CNPJ, free, Agent evaluation](https://datacircle.dev/company-discovery-apis/radar-cnpj/free-agent-evaluation/llms.txt)
- `GET /api/export`: [Radar CNPJ, free, no quota, GET /api/export](https://datacircle.dev/company-discovery-apis/radar-cnpj/free-no-quota-get-api-export/llms.txt)
- `GET /api/busca`: [Radar CNPJ, free, no quota, GET /api/busca](https://datacircle.dev/company-discovery-apis/radar-cnpj/free-no-quota-get-api-busca/llms.txt)

## Radar CNPJ's APIs (2)

- [Radar CNPJ: company enrichment API pricing, 12 plans](https://datacircle.dev/company-enrichment-apis/radar-cnpj/free-allowance/llms.txt)
- [Radar CNPJ: company discovery API pricing, 4 plans](https://datacircle.dev/company-discovery-apis/radar-cnpj/free-agent-evaluation/llms.txt)

## Radar CNPJ: company discovery API alternatives

- [Firmbase, €149 yearly, Start, GET /v1/companies](https://datacircle.dev/company-discovery-apis/firmbase/149-yearly-start-get-v1-companies/llms.txt): $0.046 per 1,000, 31% complete, 24 hours
- [Funding Signals, $25 pack, Pay as you go, $25 pack of Pro credits, GET /v1/signals](https://datacircle.dev/company-discovery-apis/funding-signals/25-pack-pay-as-you-go-25-pack-of-pro-credits-get-v1-signals/llms.txt): $0.048 per 1,000, 8% complete, 1 day
- [LeadMCP, $49 monthly](https://datacircle.dev/company-discovery-apis/leadmcp/49-monthly/llms.txt): $0.049 per 1,000, 77% complete, 1 month
- [gankdat, pay as you go](https://datacircle.dev/company-discovery-apis/gankdat/pay-as-you-go/llms.txt): $0.05 per 1,000, 23% complete, 1 day

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

- https://api.radar-cnpj.com/empresas/index.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://radar-cnpj.com/api-access-guide.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://radar-cnpj.com/api/acesso?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://radar-cnpj.com/api/consulta?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://radar-cnpj.com/api/credito?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://radar-cnpj.com/api/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://radar-cnpj.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://radar-cnpj.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://radar-cnpj.com/termos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing