# Tu Identidad, contact us, Pay per use, POST /api/cpbyrfc: Business verification API

> Allows you to obtain the postal code registered with the SAT associated with an RFC.

Tu Identidad's Pay per use plan lets you call the business verification API. We check each provider's docs for 11 fields. Tu Identidad's docs list 2: Registered name, Principal address.
We haven't run Tu Identidad through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
Tu Identidad gives this plan's price on request. We rank 1,422 plans for business verification APIs by price. Half the plans cost $7.895 or less per 1,000 companies.
[CharityAPI's $15 monthly plan](https://datacircle.dev/business-verification-apis/charityapi/15-monthly-paid-get-api-organizations-ein/llms.txt) is the cheapest paid plan per 1,000 companies. CharityAPI's plan covers companies in the United States only. CharityAPI's $15 monthly plan charges nothing per call. You get as many companies as CharityAPI's rate limit allows. [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 more up front than CharityAPI's $15 monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) and [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/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/tu-identidad/contact-us-pay-per-use-post-api-cpbyrfc
- [Business verification API: the 14 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://tuidentidad.com/en/preguntas-frecuentes/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `POST https://web-prod01.tuidentidad.com/api/cpbyrfc`
- API key: with the plan, on https://tuidentidad.com/en/preguntas-frecuentes/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://docs.tuidentidad.com/docs-us.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing#tag/sat-address-verification/POST/api/cpbyrfc
- Sold by: Tu Identidad (https://tuidentidad.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 18%
- Registered name: ✓
- Principal address: ✓ town or region

## Price

- Per: call
- Billing: contact

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Allows you to obtain the postal code registered with the SAT associated with an RFC.

## Data

- Freshness: live
- Countries: Mexico
- Keep data: no limit
- Use data: Additionally, it is prohibited to use methods other than the provided interface. Improper use of the service may result in suspension of service. It is prohibited to sell or resell the results provided by our service. The user is solely responsible for the use of the provided content.

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: RFC. Optional: BusinessName
- Method: POST
- Path: /api/cpbyrfc

## About the plan

- Plan: Pay per use
- Who can get it: a company that asks the commercial team for a quote, each company is assigned its own non-transferable API key

## The 5 fields the plan's answer can hold

success, service type, RFC, business name, postal code

## Tu Identidad's plans (1)

- [Tu Identidad, contact us, Pay per use, POST /api/cpbyrfc](https://datacircle.dev/business-verification-apis/tu-identidad/contact-us-pay-per-use-post-api-cpbyrfc/llms.txt): 18% complete, live

## Tu Identidad's calls for this API (2)

- `POST /api/rfc/validate`: [Tu Identidad, contact us, Pay per use, POST /api/rfc/validate](https://datacircle.dev/business-verification-apis/tu-identidad/contact-us-pay-per-use-post-api-rfc-validate/llms.txt)
- `POST /api/cpbyrfc`: [Tu Identidad, contact us, Pay per use, POST /api/cpbyrfc](https://datacircle.dev/business-verification-apis/tu-identidad/contact-us-pay-per-use-post-api-cpbyrfc/llms.txt)

## Tu Identidad's APIs (3)

- [Tu Identidad: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/tu-identidad/contact-us/llms.txt)
- [Tu Identidad: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/tu-identidad/contact-us/llms.txt)
- [Tu Identidad: business verification API pricing, 1 plan, POST /api/cpbyrfc](https://datacircle.dev/business-verification-apis/tu-identidad/contact-us-pay-per-use-post-api-cpbyrfc/llms.txt)

## Tu Identidad: business verification API alternatives

- [Verificamex, contact us](https://datacircle.dev/business-verification-apis/verificamex/contact-us/llms.txt): 18% complete, live
- [Verifik, contact us, Enterprise, GET /v2/ca/company](https://datacircle.dev/business-verification-apis/verifik/contact-us-enterprise-get-v2-ca-company/llms.txt): 18% complete, live
- [Youverify, contact us](https://datacircle.dev/business-verification-apis/youverify/contact-us/llms.txt): 18% complete, live
- [Barobill, contact us, BASIC, POST /CORPSTATE.asmx, GetCorpStateEx](https://datacircle.dev/business-verification-apis/barobill/contact-us-basic-post-corpstate-asmx-getcorpstateex/llms.txt): 18% 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 2026-11-08.

- https://docs.tuidentidad.com/docs-us.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://registry.scalar.com/@tuidentidad/apis/tu-identidad-technical-documentation?format=yaml&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://tuidentidad.com/en/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://tuidentidad.com/en/preguntas-frecuentes/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://tuidentidad.com/en/terminos-y-condiciones/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://tuidentidad.com/en/validacion-de-rfc/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing