Marketplace · API · x402

api.resetparatodos.com/x402/v1/brazil/cnpj/validate

Deterministically validate a Brazilian CNPJ (company taxpayer ID): format and both check digits (mod-11). Supports the traditional numeric format and the alphanumeric format in force since July 2026. Structural validation only.

Endpoint	`https://api.resetparatodos.com/x402/v1/brazil/cnpj/validate`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~1124 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x54beA1e6F70437085b85892a0e7cd6f09CE8C22f
method	POST
last updated	2026-10-29T00:11:00.821Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.resetparatodos.com/x402/v1/brazil/cnpj/validate
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-504a46a365ff488a

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}