# CNPJ API, free, GET /simples/{cnpj}: Company enrichment API

> Brazilian company data. One API. Zero friction.

CNPJ API's company enrichment API on its Free plan. It costs $0.00 per 1,000 companies. It returns none of the 13 key fields we check: Description, Industry, Type and status, Images and 9 more.
You get up to 216,000 calls a month.
We rank 1,373 plans by price. [Extruct's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/extruct/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Extruct's company enrichment API costs nothing beyond the plan price.
[CNPJ API's R$99 monthly plan (/bulk-cnpj)](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-post-bulk-cnpj/llms.txt) covers any number of companies in Brazil only. CNPJ API's R$99 monthly plan costs less up front than Extruct's $49 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [SEC EDGAR](https://datacircle.dev/company-enrichment-apis/sec-edgar/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in our benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/cnpj-api/free-get-simples-cnpj
- [Best company enrichment API in 2026: providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://cnpj-api.com/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://api.cnpj-api.com/v1/simples/{cnpj}`
- API key: with the plan, on https://cnpj-api.com/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://docs.cnpj-api.com/pt/endpoint-simples?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: CNPJ API (https://cnpj-api.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-03

## In the answer

- Completeness: 0%

## Price

- $ per 1,000 companies: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Consultar CNPJ · Cidades · Consulta CNAE · Consulta Socio

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Brazilian company data. One API. Zero friction.

## Data

- Freshness: stored
- Countries: Brazil
- Keep data: no limit
- Use data: You may use the Service only for lawful purposes and in accordance with these Terms. You agree not to use the Service in any way that violates any applicable national or international law or regulation. [...] You agree not to exceed the rate limits associated with your plan, attempt to circumvent any rate limiting or access controls, share your API tokens with unauthorized third parties, or use the API in a manner that could damage, disable, or impair the Service. [...] The data provided through the API originates from public records of the Brazilian Federal Revenue Service (Receita Federal do Brasil) and is subject to the applicable public data usage regulations.

## Plan

- Pay: R$0
- Enough for: 216,000 calls a month

## Rate limit

- Per second: 0.083
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: cnpj
- Method: GET
- Path: /simples/{cnpj}

## About the plan

- Plan: Free
- Who can get it: anyone

## The 8 fields the plan's answer can hold

CNPJ, last updated, Simples Nacional status, Simples Nacional opt-in date, Simples Nacional exclusion date, SIMEI status, SIMEI opt-in date, SIMEI exclusion date

## CNPJ API's plans (3)

- [CNPJ API, free, GET /simples/{cnpj}](https://datacircle.dev/company-enrichment-apis/cnpj-api/free-get-simples-cnpj/llms.txt): $0.00 per 1,000, 0% complete, stored
- [CNPJ API, R$20 monthly, Basic, GET /simples/{cnpj}](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-20-monthly-basic-get-simples-cnpj/llms.txt): $0.0091 per 1,000, 0% complete, live
- [CNPJ API, R$99 monthly, Pro, GET /simples/{cnpj}](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-get-simples-cnpj/llms.txt): $0.005 per 1,000, 0% complete, live

## CNPJ API's calls (4)

- `GET /cnpj/{cnpj}`: [CNPJ API, free, GET /cnpj/{cnpj}](https://datacircle.dev/company-enrichment-apis/cnpj-api/free/llms.txt)
- `GET /simples/{cnpj}`: [CNPJ API, free, GET /simples/{cnpj}](https://datacircle.dev/company-enrichment-apis/cnpj-api/free-get-simples-cnpj/llms.txt)
- `GET /logos/{cnpj}`: [CNPJ API, R$20 monthly, Basic, GET /logos/{cnpj}](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-20-monthly-basic-get-logos-cnpj/llms.txt)
- `POST /bulk-cnpj`: [CNPJ API, R$99 monthly, Pro, POST /bulk-cnpj](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-post-bulk-cnpj/llms.txt)

## CNPJ API's APIs (1)

- [CNPJ API: company enrichment API pricing, 3 plans, GET /simples/{cnpj}](https://datacircle.dev/company-enrichment-apis/cnpj-api/free-get-simples-cnpj/llms.txt)

## CNPJ API: company enrichment API alternatives

- [Vatstack, $0 monthly, Launch, POST /v1/validations](https://datacircle.dev/company-enrichment-apis/vatstack/0-monthly-launch-post-v1-validations/llms.txt): $0.00 per 1,000, 15% complete, live
- [Financial Modeling Prep, $29 monthly, Starter, GET /stable/profile](https://datacircle.dev/company-enrichment-apis/financial-modeling-prep/29-monthly-starter-get-stable-profile/llms.txt): $0.0022 per 1,000, 46% complete, live
- [FetchLayer, $1,400 monthly](https://datacircle.dev/company-enrichment-apis/fetchlayer/1400-monthly/llms.txt): $0.013 per 1,000, 23% complete, live
- [Omkar Cloud, $148 monthly](https://datacircle.dev/company-enrichment-apis/omkar-cloud/148-monthly/llms.txt): $0.018 per 1,000, 31% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-03.

- https://cnpj-api.com/en?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://cnpj-api.com/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://cnpj-api.com/en/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://cnpj-api.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj-api.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj-api.com/pt/autenticacao.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj-api.com/pt/endpoint-simples.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj-api.com/pt/limites-de-uso.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing