# Face Authentication 1:N

`POST /omni/oneToN/v2/identify` · [developer.incode.com ↗](https://developer.incode.com/reference/introduction)

> Face Authentication 1:N

Identify user by face. Parameter base64Image is optional if template is present. If there is more than one user that has recognition confidence above threshold, secondFactor will be true and [/omni/oneToN/mfa](#/Login/oneToNMfa) must be called.

## Authentication

| Header | Required | Notes |
|---|---|---|
| `x-api-key` | yes | API key for the region/environment. |
| `api-version` | yes | API version, defaults to `1.0`. |

**Category:** Onboarding

## Sources

- Public reference: <https://developer.incode.com/reference/introduction>
- Reconstructed from the Incode Omni OpenAPI spec (operation `oneToNIdentify`); see the Implementation pane for source & tests.