# nfe_inutilizacao — how to use (mcp.ai)

Looks up the electronic invoice numbering voidings for a company from the CNPJ and year. Platform-hosted, no credentials, pay per query with prepaid credit.

## Option A — via MCP (recommended)
Remote MCP endpoint (HTTP, streamable): `https://api.mcp.ai/p_nfe_inutilizacao?ms=1787191380000`
Add it as a custom/remote MCP connector in your client (Claude, Cursor, VS Code…), then authenticate when prompted. Once connected, ask the agent to use the server's tools (e.g. `nfe_inutilizacao_consultar`).

## Option B — via direct REST API
Base URL: `https://api.mcp.ai/api/nfe_inutilizacao`
Auth: `Authorization: Bearer sk_live_…` — create a workspace API key at https://mcp.ai/settings/api-keys
Discover endpoints: `GET https://api.mcp.ai/api/nfe_inutilizacao/_endpoints`

### Endpoints
- `POST https://api.mcp.ai/api/nfe_inutilizacao/consultar` — Consulta as inutilizações de numeração de Nota Fiscal Eletrônica de uma empresa a partir do CNPJ e do ano. Hospedado pela plataforma, sem credenciais, pague por consulta com crédito pré-pago. Consulta
  - body: { CNPJ: string, Ano: string, completo?: boolean }

## Example prompts
- "NFe voidings for CNPJ 12345678000190 in 2024"
- "Voided numbering for company CNPJ 12345678000190"

## More
- Page: https://mcp.ai/nfe_inutilizacao
- Agent spec (llms.txt): https://mcp.ai/nfe_inutilizacao/llms.txt
- Postman collection: https://mcp.ai/nfe_inutilizacao/postman.json