> ## Documentation Index
> Fetch the complete documentation index at: https://docs.go.gbgplc.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Brazil CPF Check

> Verify identities using Brazil CPF Check, a service that validates Brazilian taxpayer numbers and retrieves identity data from Receita Federal.

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Queries Receita Federal services to validate a taxpayer (CPF) number and return name, date of birth and status—foundational for Brazilian KYC flows.To learn more, visit the [Brazil CPF Check](https://www.serpro.gov.br/) website.

## Adoption data

This section provides insights into the adoption of Brazil CPF Check among users in Brazil.

| | |
| - | - |
| Adoption | 180 million |
| Adoption source | [https://medium.com/@privacyint/cpf-one-database-to-rule-them-all-6343d802705c#:\~:text=There%20are%20more%20than%20180,or%20by%20some%20administrative%20order](https://medium.com/@privacyint/cpf-one-database-to-rule-them-all-6343d802705c#:~:text=There%20are%20more%20than%20180,or%20by%20some%20administrative%20order). |
| Adoption rate | 110.80% |
| Coverage | 162M |
| Status | <Badge color="gray">In Integration Pipeline</Badge> |

## Provider ID

This is the unique identifier for this digital ID provider in the GBG Go system.

| | |
| - | - |
| Provider ID | `brazil-cpf-lookup` |

## Compliance

This section outlines compliance and regulatory requirements for integrating this digital ID provider.

| Compliance data | Status |
| - | - |
| Locality requirements | <Badge color="green">None</Badge> |
| Scheme-level restrictions | <Badge color="yellow">None</Badge> |
| Certifications | <Badge color="gray">None</Badge> |

## Supported attributes

The following attributes are returned when Brazil CPF Check is used for identity verification:

### Always returned attributes

The following attributes are always returned from a successful verification from this ID Provider.

| Field | Description |
| - | - |
| <Badge color="green">fullName</Badge> | User’s full legal name |
| <Badge color="yellow">dateOfBirth</Badge> | User’s date of birth |
| <Badge color="purple">document number</Badge> | Identity document number |

### Required input attributes

The following attributes are required as input to perform identity verification with this ID Provider.

| Field | Description |
| - | - |
| <Badge color="green">cpfNumber</Badge> | User’s CPF number (Brazilian tax ID) |