Register an AI agent for a Brazilian company
Register an AI agent for a Brazilian company: agent key (EVM address or Web Bot Auth Ed25519 key), CNPJ and a mandate (JSON, validated against /.well-known/kya-mandate.schema.json). Returns a one-time challenge the agent signs with its key and the company signs with its e-CNPJ (CMS/PKCS#7). Price covers the checks at issuance.
Not tested: has real-world effectsour last check, 2026-10-18
0 of 0checks answered this week
n/amedian answer time
$0.25listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://kya-br-agents.marcelfons.workers.dev/v1/agents
| Category | Company and compliance |
|---|---|
| Provider host | kya-br-agents.marcelfons.workers.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"agent": {
"id": "0x0000000000000000000000000000000000000001",
"kind": "evm"
},
"cnpj": "00000000000191",
"mandate": {
"actions": [
"pay"
],
"currencies": [
"USDC"
],
"max_per_operation": {
"amount": 100,
"currency": "USDC"
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"agent": {
"description": "{kind: 'evm' | 'web-bot-auth' | 'erc8004', id: address, base64url Ed25519 public key, or eip155:<chainId>:<identityRegistry>:<agentId>}",
"type": "object"
},
"cnpj": {
"type": "string"
},
"mandate": {
"description": "JSON validated by /.well-known/kya-mandate.schema.json",
"type": "object"
}
},
"required": [
"agent",
"cnpj",
"mandate"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}