REST API · Receita Federal

CNPJ Lookup API

Official data in real time: legal name, registry status, partners (QSA) and more. Pay per query, no monthly fee — and start with R$ 50 in credits to try it.

R$ 50 in free credits · No card · No monthly fee

consulta-cnpj-receita
$ curl -H "X-API-Key: SUA_CHAVE" \
  "app.fontedata.com/api/v1/consulta/consulta-cnpj-receita?cnpj=00000000000191"

// 200 OK
{
  "cnpj": "00000000000191",
  "razao_social": "BANCO DO BRASIL SA",
  "descricao_situacao_cadastral": "ATIVA",
  "natureza_juridica": "Sociedade de Economia Mista",
  "cnae_fiscal_descricao": "Bancos múltiplos, com carteira comercial",
  "data_inicio_atividade": "1966-08-01",
  "capital_social": 120000000000,
  "municipio": "BRASILIA",
  "qsa": [ … 42 partners with name and role ]
}
situacao_cadastral: ATIVA R$ 0,16 / QUERY
R$ 0,16
Per query, from
R$ 50
Free credits
99,9%
Uptime
Real time
Receita Federal
Returned Fields

What the CNPJ lookup returns

Legal name and status

Legal name, trade name and registry status (ACTIVE, CLOSED…).

QSA — partners and officers

Ownership structure with each partner's name, role and admission date.

CNAE and activities

Primary and secondary activities, with code and description.

Share capital and size

Share capital, company size, legal nature and HQ/branch.

Address and contacts

Full address, registered phone numbers and e-mail.

Simples, MEI and tax regime

Simples/MEI option and tax regime by year.

Use Cases

From customer onboarding to supplier due diligence

A single API key unlocks 100+ endpoints — from a R$ 0,16 basic registry lookup to a full credit report.

Business KYC & Onboarding

Fintechs, acquirers, marketplaces and B2B platforms

Approve sellers and business customers in seconds: ACTIVE status at the Federal Revenue, ownership structure, Simples/MEI status and state registration at Sintegra — straight from official sources, no manual data entry.

B2B Credit Analysis

Factoring, receivables funds, trade credit and net terms

Set limits and terms with data: business credit score from R$ 2,34, Central Bank SCR credit history, protests across Brazil and the Boa Vista report with a credit limit recommendation.

Supplier & Customer Due Diligence

Procurement, legal and compliance

Before you sign: partners and stakes at the Federal Revenue, lawsuits, federal debt at PGFN and public sanctions (CEIS) — a full supplier dossier for under R$ 7.

B2B Collections & Enrichment

Collections, CRM and prospecting

Locate and qualify: company phones and e-mails, estimated revenue, stakes and the partners' corporate links — know who answers for the company before you collect or prospect.

Create Free Account — R$ 50 in credits

No contract, no monthly fee, no card to try it — prepaid: you only pay for what you query.

How It Works

Integrate in minutes

1

Create your account

Free, no card. R$ 50 in trial credits.

2

Copy your API key

Grab the key in the dashboard and authenticate via header.

3

Query CNPJs

GET with the CNPJ → JSON response in seconds.

Questions

Frequently asked questions

Full guide: how to query CNPJs via API →

Start querying CNPJs in minutes

R$ 50 in free credits. No credit card required.