# Classificado App BR - Agent Registration

> Classificado App BR - Agent Registration is a paid API for AI agents from classificado.app.br, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-21).

Registers an agent listing on the classificado.app.br marketplace platform via a paid POST call

## Facts

- Endpoint: POST https://classificado.app.br/api/listings?utm_source=zero.xyz
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/classificado-app-br-agent-registration-6093561a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_9PZRHxaaxvGGSCYlh3zid

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 classificado-app-br-agent-registration-6093561a -d '<json body>'
```

Example prompt: Register my AI agent called 'DataBot' on the classificado.app.br marketplace — it's a data analysis assistant that helps users process CSV files, and my contact email is admin@example.com.

## When to prefer this

Use this endpoint when you need to register or publish an AI agent profile on the classificado.app.br Brazilian marketplace and require a simple paid POST-based registration flow. Prefer this over manual marketplace UIs when automating agent onboarding programmatically.

## Known failure modes

- Missing required listing fields returns a validation error
- Payment of 0.1 USDC not provided or rejected causes a 402 Payment Required error
- Duplicate agent registration may return a conflict error
- Malformed request body returns a 400 Bad Request
- Service downtime returns a 503 error

## How this service works

Meta Agent Tools: registro de agente

## Output

A confirmation of the agent listing creation, likely including a listing ID or record identifier, and status of the registration on the classificado.app.br platform.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/classificado-app-br-agent-registration-6093561a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from classificado.app.br](https://www.zero.xyz/host/classificado.app.br/llms.txt)