---
title: "Submit smart selfie compare"
method: POST
path: "/v3/compare"
tags: ["Smart Selfie Compare"]
---

# Submit smart selfie compare

`POST /v3/compare`

Compares a selfie image against a provided comparison image (document, ID photo, or portrait). The images are uploaded, validated at entry, then queued for async ML processing (passive liveness, face matching, optional active liveness with liveness images). Results are delivered via callback URL.
If `user_id` is provided and the comparison passes, the user will be enrolled.

## Headers

- `SmileID-Source-SDK` string
- `SmileID-Source-SDK-Version` string
- `SmileID-Timestamp` string, date-time
- `SmileID-Request-Signature` string
- `User-ID` string

## Response `202`

Accepted — job queued for async processing.

- AcceptedResponse
  - `status` 'accepted', required — Acceptance status for queued verification requests.
  - `message` string, required — Human-readable acceptance message.
  - `job_id` string, required — TypeID format verification identifier for tracking.
  - `user_id` string, required — TypeID format user identifier, or partner-provided user identifier.
  - `created_at` string, date-time, required — ISO 8601 timestamp of when the verification was created.

## Other responses

- `400` — Bad Request — validation error.
- `401` — Unauthorized — invalid or missing authentication credentials.
- `402` — Payment Required — insufficient wallet balance.
- `403` — Forbidden — partner not authorized for this product or IP.
- `415` — Unsupported Media Type — request must be multipart/form-data.
- `429` — Too Many Requests — rate limit exceeded.
- `500` — Internal Server Error

---

[API](https://skmtc.net/smileidentity/apis/v3-authentication-token-api.md) · [All operations](https://skmtc.net/smileidentity/apis/v3-authentication-token-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/smileidentity/v3-authentication-token-api/revisions/9f178647f9b8/schema)