# NuFi, free: Business verification API

> Consulta de información sobre el registro público del comercio por razón social

NuFi's Free API key (100 transactions) plan for the business verification API costs $0.00 per 1,000 companies. We check each provider's docs for 11 fields. NuFi's docs list 5: Registered name, Formation date, Principal address, Officers, Filings.
We haven't run NuFi through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
This plan is free. We rank 1,657 plans for business verification APIs by price. Half the plans cost $7.895 or less per 1,000 companies. [See the best free business verification API plan.](https://datacircle.dev/best-business-verification-api.txt)
[SafeDeal's ₸50,000 (about $110) monthly plan](https://datacircle.dev/business-verification-apis/safedeal/50000-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. SafeDeal's business verification API costs nothing beyond the plan price. SafeDeal's plan covers companies in Kazakhstan only. [ApiZero's CNY 399 yearly plan](https://datacircle.dev/business-verification-apis/apizero/cny-399-yearly-diamond-membership-get-api-company-search/llms.txt) costs the least for 10,000 companies a month: about $4.97.
[Scoris's €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris's €19 pack costs less up front than SafeDeal's ₸50,000 (about $110) monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/llms.txt) and [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) are the best business verification API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/business-verification-apis/nufi/free
- [Business verification API: the 8 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://www.nufi.mx/en/apis-validaci%C3%B3n-identidad/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `POST https://nufi.azure-api.net/siger/v4/obtener_datos_por_razon_social`
- API key: with the plan, on https://www.nufi.mx/en/apis-validaci%C3%B3n-identidad/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://docs.nufi.mx/docs/api-docs-2023/6f65eb9b7dfcf-siger-busqueda-razon-social?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: NuFi (https://www.nufi.mx?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 45%
- Registered name: ✓
- Formation date: ✓
- Principal address: ✓
- Officers: ✓
- Filings: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Consulta de información sobre el registro público del comercio por razón social

## Data

- Countries: Mexico
- Keep data: no limit
- Use data: Queda prohibida la reventa del servicio sin autorización expresa de Nufi. [...] Queda totalmente prohibido el uso del código del servicio para fines no autorizados, así como de su tecnología API para desarrollar productos que le compitan sin previo acuerdo firmado por ambas partes. [...] Previo a realizar alguna búsqueda en la plataforma de Nufi, los Controladores (personas físicas o morales) clientes de Nufi deberán tener el Consentimiento expreso por el Candidato para realizar el tratamiento de sus datos

## Plan

- Pay: $0
- You get: 100 requests

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: razon_social, Content-Type header "application/json"
- Method: POST
- Path: /siger/v4/obtener_datos_por_razon_social

## About the plan

- Plan: Free API key (100 transactions)
- Who can get it: anyone who requests an API key through NuFi's contact form

## The 33 fields the plan's answer can hold

total results, electronic commercial folio, registered name, corporate purpose, company duration, registered address, nationality, folio status, RFC, number of partners, partner status, partner nationality, partner first name, partner paternal surname, partner maternal surname, partner RFC, partner CURP, partner series, partner incorporation date, partner birth date, partner shares, partner total, partner share value, person type, registry precedent, legal regime, business line, state, municipality, registry office, registration date, CURP, documents PDF UUID

## NuFi's plans (2)

- [NuFi, free](https://datacircle.dev/business-verification-apis/nufi/free/llms.txt): $0.00 per 1,000, 45% complete
- [NuFi, contact us](https://datacircle.dev/business-verification-apis/nufi/contact-us/llms.txt): 45% complete

## NuFi's calls for this API (1)

- `POST /siger/v4/obtener_datos_por_razon_social`: [NuFi, free](https://datacircle.dev/business-verification-apis/nufi/free/llms.txt)

## NuFi's APIs (8)

- [NuFi: news API pricing, 2 plans](https://datacircle.dev/news-apis/nufi/free/llms.txt)
- [NuFi: SERP API pricing, 2 plans](https://datacircle.dev/serp-apis/nufi/free/llms.txt)
- [NuFi: business verification API pricing, 2 plans](https://datacircle.dev/business-verification-apis/nufi/free/llms.txt)
- [NuFi: email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/nufi/free/llms.txt)
- [NuFi: local business search API pricing, 2 plans](https://datacircle.dev/local-business-search-apis/nufi/free/llms.txt)
- [NuFi: people enrichment API pricing, 2 plans](https://datacircle.dev/person-enrichment-apis/nufi/free/llms.txt)
- [NuFi: phone validation API pricing, 2 plans](https://datacircle.dev/validate-phone-apis/nufi/free/llms.txt)
- [NuFi: reverse email lookup API pricing, 2 plans](https://datacircle.dev/reverse-email-lookup-apis/nufi/free/llms.txt)

## NuFi: business verification API alternatives

- [Latinfo, free, GET /co/rues/registry/search](https://datacircle.dev/business-verification-apis/latinfo/free-get-co-rues-registry-search/llms.txt): $0.00 per 1,000, 27% complete, stored
- [INSEE, free](https://datacircle.dev/business-verification-apis/insee/free/llms.txt): $0.00 per 1,000, 45% complete, 24 hours
- [Scoris, free](https://datacircle.dev/business-verification-apis/scoris/free/llms.txt): $0.00 per 1,000, 18% complete, 1 week
- [Milquery, free](https://datacircle.dev/business-verification-apis/milquery/free/llms.txt): $0.00 per 1,000, 27% complete, stored
- [NAV Online Szamla, free](https://datacircle.dev/business-verification-apis/nav-online-szamla/free/llms.txt): $0.00 per 1,000, 18% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://docs.nufi.mx/docs/api-docs-2023?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://docs.nufi.mx/docs/api-docs-2023/6f65eb9b7dfcf-siger-busqueda-razon-social?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://docs.nufi.mx/docs/api-docs-2023/m7rs9qakw21oi-api-keys?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.nufi.mx/en/apis-validaci%C3%B3n-identidad/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.nufi.mx/terminosycondiciones?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing