# Radar CNPJ Company Monitor

> Radar CNPJ Company Monitor is a paid API for AI agents from radar-cnpj.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-13).

Activates a 30-day monitoring watch on a Brazilian company (CNPJ) to track changes to its registration data

## Facts

- Endpoint: POST https://radar-cnpj.com/api/me/monitor/watch
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/radar-cnpj-company-monitor-f6bb8ff7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_eOu-Xrg84TyL5je2oreRZ

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability radar-cnpj-company-monitor-f6bb8ff7 -d '<json body>'
```

Example prompt: Set up a 30-day Radar CNPJ monitor on CNPJ 33.592.510/0001-54 so I get alerted if anything changes in their registration.

## When to prefer this

Use this endpoint when you need to proactively track changes to a specific Brazilian company's CNPJ registration over a 30-day period, such as for supplier vetting, compliance monitoring, or investment due diligence — rather than just doing a one-time lookup of CNPJ data.

## Known failure modes

- Invalid CNPJ format returns an error
- CNPJ not found in the Brazilian business registry
- Payment failure blocks subscription creation
- Duplicate watch on already-monitored CNPJ may return conflict
- Network timeout during subscription setup

## How this service works

Radar CNPJ: monitorar 33.592.510/0001-54 por 30 dias

## Output

A confirmation that a 30-day monitoring subscription has been created for the specified CNPJ, which will track changes to the company's Receita Federal registration data and trigger alerts when updates are detected.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/radar-cnpj-company-monitor-f6bb8ff7/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from radar-cnpj.com](https://www.zero.xyz/host/radar-cnpj.com/llms.txt)