# cadin_estadual — MCP server on mcp.ai
> Status of a CPF or CNPJ in the state treasury default registry (CADIN), by state. Platform-hosted, no credentials, pay per query with prepaid credit.

By: mcp.ai · official
Page: https://mcp.ai/cadin_estadual

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_cadin_estadual?ms=1787194200000
Add it as a custom/remote MCP connector, then authenticate when prompted.

## REST API (no MCP client required)
Every tool is also a REST endpoint, authed with a workspace API key.
Discover: GET https://api.mcp.ai/api/cadin_estadual/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/cadin_estadual/<endpoint>
  Authorization: Bearer sk_live_…   # create one at https://mcp.ai/settings/api-keys
  Content-Type: application/json
  Body: { …args }   →   { "ok": true, "tool": "<id>", "result": { … } }

## Developer docs
How to use (MCP or REST), markdown: https://mcp.ai/cadin_estadual/skill.md
Postman collection (v2.1): https://mcp.ai/cadin_estadual/postman.json

## Tools
- cadin_estadual_consultar(Cpf: string, Cnpj: string, Uf: string, completo?: boolean) — Situação de um CPF ou CNPJ no Cadastro Informativo de Inadimplência (CADIN) das secretarias estaduais de fazenda, por UF. Hospedado pela plataforma, sem credenciais, pague por consulta com crédito pré

## Example prompts
- "Is CNPJ 12345678000190 in the CADIN of SP?"
- "CADIN status for CPF 12345678909 (RJ)"

## Links
Docs: https://mcp.ai/docs/mcps/cadin_estadual
Website: https://mcp.ai/mcps/cadin_estadual