# Brazilayer, pay as you go, Pay per call over x402, GET /v1/cnpj/busca: Company discovery API

> Search companies by nome (full-text, accent-insensitive), uf (state), municipio (4-digit RFB city code), cnae, porte (size), abertura_de and abertura_ate (opening-date window, YYYY-MM-DD, for newly registered companies), situacao (status, default "ativa"). Paginated (max 50/page), total capped at "10000+".

Brazilayer's Pay per call over x402 plan for the company discovery API costs $0.20 per 1,000 companies. Brazilayer's docs list 3 of the 13 fields on our checklist: Industry, Type and status, Headquarters.
We haven't run Brazilayer through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
We rank 1,009 plans for company discovery APIs by price. Half the plans cost $1.00 or less per 1,000 companies. This plan costs less per 1,000 companies than 61% of the 1,009 plans.
[StackScan's $189 monthly plan](https://datacircle.dev/company-discovery-apis/stackscan/189-monthly-enterprise-post-v1-tech-lookup-lists/llms.txt) is the cheapest paid plan per 1,000 companies. StackScan's $189 monthly plan charges nothing per call. You get as many companies as StackScan's rate limit allows. [Seltz's pay-as-you-go plan](https://datacircle.dev/company-discovery-apis/seltz/pay-as-you-go-pay-as-you-go-post-v1-search-search-base/llms.txt) costs the least for 10,000 companies a month: $0.03.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-cnpj-busca
- [Company discovery API: the best of 90+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://api.brazilayer.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://api.brazilayer.com/v1/cnpj/busca`
- API key: not needed
- Its API docs: https://api.brazilayer.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: Brazilayer (https://brazilayer.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 23%
- Industry: ✓
- Type and status: ✓
- Headquarters: ✓

## Price

- $ per 1,000 companies: $0.20
- Per: page of 50
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Most per search: 99,999
- Also pays for: nothing else

## In their words

- Their pitch: Search companies by nome (full-text, accent-insensitive), uf (state), municipio (4-digit RFB city code), cnae, porte (size), abertura_de and abertura_ate (opening-date window, YYYY-MM-DD, for newly registered companies), situacao (status, default "ativa"). Paginated (max 50/page), total capped at "10000+".

## Data

- Freshness: 1 month
- Countries: Brazil
- Keep data: no limit
- Use data: O acesso é aberto a qualquer cliente (humano ou agente de IA) mediante pagamento por chamada via x402. [...] É vedado usar o serviço para tentar reidentificar pessoas físicas a partir dos dados mascarados, ou para qualquer finalidade ilícita sob a lei brasileira (incluindo a LGPD, Lei nº 13.709/2018).

## Plan

- Pay: per call
- You get: 1 request
- Enough for: 1 page

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: at least one of nome, uf, municipio, cnae, porte, abertura_de, abertura_ate or situacao. Optional: pagina, por_pagina
- Method: GET
- Path: /v1/cnpj/busca

## About the plan

- Plan: Pay per call over x402
- Who can get it: anyone, human or AI agent, who pays each call in USDC on Base over x402

## The 10 fields the plan's answer can hold

total results, CNPJ, company name, trade name, state, city, economic activity code, status, source name, source reference month

## Brazilayer's plans (1)

- [Brazilayer, pay as you go, Pay per call over x402, GET /v1/cnpj/busca](https://datacircle.dev/company-discovery-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-cnpj-busca/llms.txt): $0.20 per 1,000, 23% complete, 1 month

## Brazilayer's calls for this API (2)

- `GET /v1/cnpj/busca`: [Brazilayer, pay as you go, Pay per call over x402, GET /v1/cnpj/busca](https://datacircle.dev/company-discovery-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-cnpj-busca/llms.txt)
- `GET /v1/cnpj/socio/busca`: [Brazilayer, pay as you go, Pay per call over x402, GET /v1/cnpj/socio/busca](https://datacircle.dev/company-discovery-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-cnpj-socio-busca/llms.txt)

## Brazilayer's APIs (3)

- [Brazilayer: business verification API pricing, 1 plan, GET /v1/cnpj/situacao/{cnpj}](https://datacircle.dev/business-verification-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-cnpj-situacao-cnpj/llms.txt)
- [Brazilayer: business verification API pricing, 1 plan, GET /v1/bcb/instituicao/{cnpj}](https://datacircle.dev/business-verification-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-bcb-instituicao-cnpj/llms.txt)
- [Brazilayer: company enrichment API pricing, 1 plan, GET /v1/cnpj/empresa/{cnpj}](https://datacircle.dev/company-enrichment-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-cnpj-empresa-cnpj/llms.txt)
- [Brazilayer: company enrichment API pricing, 1 plan, GET /v1/cnpj/empresa/{cnpj}/socios](https://datacircle.dev/company-enrichment-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-cnpj-empresa-cnpj-socios/llms.txt)
- [Brazilayer: company enrichment API pricing, 1 plan, GET /v1/cnpj/empresa/{cnpj}/completo](https://datacircle.dev/company-enrichment-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-cnpj-empresa-cnpj-completo/llms.txt)
- [Brazilayer: company enrichment API pricing, 1 plan, GET /v1/empresa/enriquecer/{cnpj}](https://datacircle.dev/company-enrichment-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-empresa-enriquecer-cnpj/llms.txt)
- [Brazilayer: company discovery API pricing, 1 plan, GET /v1/cnpj/busca](https://datacircle.dev/company-discovery-apis/brazilayer/pay-as-you-go-pay-per-call-over-x402-get-v1-cnpj-busca/llms.txt)

## Brazilayer: company discovery API alternatives

- [CNPJa, R$99.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-99-99-monthly/llms.txt): $0.197 per 1,000, 38% complete, 30 days
- [Apollo, $4,284 yearly](https://datacircle.dev/company-discovery-apis/apollo/4284-yearly/llms.txt): $0.198 per 1,000, 54% complete, 1 month
- [Tomba, $199 monthly](https://datacircle.dev/company-discovery-apis/tomba/199-monthly/llms.txt): $0.199 per 1,000, 54% complete, 1 month
- [AI Ark, $9,999 monthly](https://datacircle.dev/company-discovery-apis/ai-ark/9999-monthly/llms.txt): $0.20 per 1,000, 85% complete, 30 days

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://api.brazilayer.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.brazilayer.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.brazilayer.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.brazilayer.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.brazilayer.com/termos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://brazilayer.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing