API ReferenceSessions

List verification attempts

Returns all attempts for a specific verification policy on a session, including previous failed attempts. Useful for audit trails and investigating retry history.

Authentication

X-API-Keystring

Organization API key. Keys are prefixed with vk_live_ (production) or vk_sandbox_ (sandbox).

Path parameters

session_idstringRequired

Session ID (ses_*).

policystringRequired

The verification policy (e.g. face_match, document_ocr).

Headers

Verifa-VersiondateOptional

API version date string (e.g. 2026-02-01). If omitted, the version pinned to your API key is used.

Key-InflectionenumOptionalDefaults to snake

Response key casing. Defaults to snake.

Allowed values:

Response

Verification attempts for the policy.
session_idstring
policystring
attemptslist of objects

Errors

401
Unauthorized Error
404
Not Found Error