> Toden documentation. For the full index fetch /llms.txt. Every page is available as Markdown by appending .md to its URL. Identity verification uses /api/kyc, Risk Intelligence uses /api/v1; they are separate contracts with different error shapes. Never invent an endpoint, field or enum value: read the API reference page for the operation first.

# Biometric Authentication


## API Docs

- Biometric Authentication [Re-authenticate a verified person by face](https://docs.toden.co/api-reference/verification/biometric-authentication/authenticate-biometric.md)
- Biometric Authentication [Check whether a person can re-authenticate by face](https://docs.toden.co/api-reference/verification/biometric-authentication/get-biometric-status.md)
- Biometric Authentication [Redeem a biometric proof token](https://docs.toden.co/api-reference/verification/biometric-authentication/verify-biometric-proof.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.toden.co/api-reference/verification/biometric-authentication/openapi.json)
- [OpenAPI YAML](https://docs.toden.co/api-reference/verification/biometric-authentication/openapi.yaml)