---
title: "Compare Faces"
method: POST
path: "/api/v1/merchant/face/compare"
tags: ["Identity Verification"]
---

# Compare Faces

`POST /api/v1/merchant/face/compare`

Compare a source image against a target image and return a similarity score.

## Headers

- `api-key` string, required
- `api-secret` string, required
- `Content-Type` 'application/json', required

## Request body

- FaceCompareRequest
  - `source_image` string, required — Source face image as a URL or base64 string
  - `target_image` string, required — Target face image as a URL or base64 string

## Response `200`

Face comparison response

- FaceCompareResponse
  - `success` boolean, required
  - `message` string, required
  - `data` FaceCompareData, required
    - `similarity` string, required — Similarity score returned by the comparison engine
  - `charges` VerificationCharges, required
    - `charged` boolean, required — Whether the verification request was billed
    - `charged_amount` string, required — Amount charged for the verification request

## Other responses

- `402` — Verification could not be processed because the wallet balance is insufficient

---

[API](https://skmtc.net/payvessel/apis/payvessel-value-added-services-api.md) · [All operations](https://skmtc.net/payvessel/apis/payvessel-value-added-services-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/payvessel/payvessel-value-added-services-api/versions/31040a9358ef/schema)