> For the complete documentation index, see [llms.txt](https://docs.vida.id/identity-stack/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vida.id/identity-stack/verify/biometric-verification/http-status-and-error-codes.md).

# HTTP Status and Error Codes

| Error Code | Http Status Code | Message                                                         |
| ---------- | ---------------- | --------------------------------------------------------------- |
| 1038       | 400              | "Invalid base64 encoded image string or unable to detect face", |
| 1040       | 200              | "Selfie photo does not match with reference photo"              |
| 1041       | 200              | "Photo liveness score is below the threshold",                  |
| 1042       | 200              | "Selfie photo matches with reference photo"                     |
| 1043       | 200              | "Selfie photo is a live photo"                                  |
| 1051       | 400              | "Face Occluded"                                                 |
| 1052       | 400              | "Face too small"                                                |
| 1054       | 400              | "More than one face"                                            |
| 1055       | 400              | "No face detected"                                              |
| 1063       | 400              | "Unnatural colour"                                              |
| 1074       | 400              | "Under Exposure"                                                |
| 1075       | 400              | "Over Exposure"                                                 |
| 1076       | 400              | "Image Is Blur"                                                 |
| 5003       | 400              | "faceImage should be a valid base64 encoded string"             |
| 5801       | 400              | Verification failed: Image is blacklisted.                      |
| 5804       | 400              | No face detected                                                |

### Warning Code for Blacklist Check 

| Code  | HTTP Status Code | Operation                                | Description           |
| ----- | ---------------- | ---------------------------------------- | --------------------- |
| 10501 | 200              | Operation.IMAGE\_FACEMATCH\_VERIFICATION | Image is blacklisted. |