Prospecting list
Prospecting list: one page of 100 ACTIVE Brazilian establishments matching a filter (CNAE code or prefix, state/UF, city, opening date range, headquarters only), with CNPJ, legal and trade name, city/state, main activity and opening date. Stable paging by CNPJ; total and next_page included. Source: Receita Federal monthly registry; MEI owners' CPFs masked. Signed answer (Ed25519 attestation), verifiable at /v1/verify.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
545 msmedian answer time
$0.05listed price per call
$0.05price 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
GET https://kyb-br-agents.marcelfons.workers.dev/v1/list
| Category | Code and developer |
|---|---|
| Provider host | kyb-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
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.05 | 545 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"cnae": "6201",
"page": "1",
"state": "PR"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"city": {
"description": "Municipality name.",
"type": "string"
},
"cnae": {
"description": "CNAE code or prefix (6201-5/00, 6201, 62).",
"type": "string"
},
"hq_only": {
"description": "1 = headquarters only",
"type": "string"
},
"opened_after": {
"description": "YYYY-MM-DD",
"type": "string"
},
"opened_before": {
"description": "YYYY-MM-DD",
"type": "string"
},
"page": {
"description": "Page of 100, default 1.",
"type": "string"
},
"state": {
"description": "UF, e.g. SP.",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}