# Dados B3, free: Company enrichment API

> Everything on the pages is also available through the API, and the whole dataset comes out as CSV. No contract, no sales call.

Dados B3's company enrichment API on its Start here (free key) plan. It costs $0.00 per 1,000 companies. It returns 2 of the 13 key fields we check: Industry, Type and status.
We haven't run Dados B3 through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
This plan is free. We rank 1,542 plans for company enrichment APIs by price. Half the plans cost $7.96 per 1,000 companies or less.
[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 the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/dados-b3/free
- [Company enrichment API: 130+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://dadosb3.com/assinar?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://dadosb3.com/empresas/{ticker}`
- API key: with the plan, on https://dadosb3.com/assinar?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://dadosb3.com/api?lang=en&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: Dados B3 (https://dadosb3.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 15%
- Industry: ✓
- Type and status: ✓

## Price

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

## Aggregators

- Aggregators: none

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Everything on the pages is also available through the API, and the whole dataset comes out as CSV. No contract, no sales call.

## Data

- Freshness: 7 days
- Countries: Brazil
- Keep data: no limit
- Use data: The free plan and Pro are for your own use: lookup, analysis and backtesting. [...] Neither includes reselling, redistributing or publishing the data, offering an API or a database to third parties, or building a product or service on top of it. That requires the Business Plan, under a contract (see /empresas). [...] The key is yours. Do not publish it, do not share it and do not resell access to the service.

## Plan

- Pay: $0
- You get: 200 requests a day
- Enough for: 200 calls a day

## Rate limit

- Per day: 200
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: ticker
- Method: GET
- Path: /empresas/{ticker}

## About the plan

- Plan: Start here (free key)
- Who can get it: anyone, for their own use

## The 17 fields the plan's answer can hold

ticker, tickers, company name, CNPJ, CVM code, sector, company type, company page URL, citation, first year covered, last year covered, restatements count, resources, key requirements, lineage URL, methodology URL, note

## Dados B3's plans (5)

- [Dados B3, free](https://datacircle.dev/company-enrichment-apis/dados-b3/free/llms.txt): $0.00 per 1,000, 15% complete, 7 days
- [Dados B3, $9.90 monthly](https://datacircle.dev/company-enrichment-apis/dados-b3/9-90-monthly/llms.txt): $0.033 per 1,000, 15% complete, 7 days
- [Dados B3, R$1,290 monthly](https://datacircle.dev/company-enrichment-apis/dados-b3/r-1290-monthly/llms.txt): 15% complete, 7 days
- [Dados B3, R$12,900 yearly](https://datacircle.dev/company-enrichment-apis/dados-b3/r-12900-yearly/llms.txt): 15% complete, 7 days
- [Dados B3, contact us](https://datacircle.dev/company-enrichment-apis/dados-b3/contact-us/llms.txt): 15% complete, 7 days

## Dados B3's calls (1)

- `GET /empresas/{ticker}`: [Dados B3, free](https://datacircle.dev/company-enrichment-apis/dados-b3/free/llms.txt)

## Dados B3's APIs (1)

- [Dados B3: company enrichment API pricing, 5 plans](https://datacircle.dev/company-enrichment-apis/dados-b3/free/llms.txt)

## Dados B3: company enrichment API alternatives

- [EuroValidate, €180 yearly, Starter (annual), GET /v1/company/lei/{lei}](https://datacircle.dev/company-enrichment-apis/eurovalidate/180-yearly-starter-annual-get-v1-company-lei-lei/llms.txt): $0.034 per 1,000, 15% complete, 7 days
- [CBEAPI, €1,290 yearly](https://datacircle.dev/company-enrichment-apis/cbeapi/1290-yearly/llms.txt): $0.04 per 1,000, 31% complete, 1 day
- [Omkar Cloud, $16 monthly](https://datacircle.dev/company-enrichment-apis/omkar-cloud/16-monthly/llms.txt): $0.04 per 1,000, 31% complete, live
- [ApiPeru, PEN 450 yearly, Premium, POST /ruc-sunat](https://datacircle.dev/company-enrichment-apis/apiperu/pen-450-yearly-premium-post-ruc-sunat/llms.txt): $0.044 per 1,000, 15% 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 2026-11-05.

- https://dadosb3.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://dadosb3.com/api?lang=en&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://dadosb3.com/assinar?lang=en&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://dadosb3.com/empresas?lang=en&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://dadosb3.com/terms?lang=en&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing