Skip to main content
This guide details the specific feedback messages your customers receive during the verification process. It covers the general status screens (Success, Failed, Suspected) and the specific error codes returned when a document or face check fails.

General Status Screens

These are the primary messages displayed to the user at the end of a verification session.
StatusUser Message (Title / Subtitle)Meaning
Success**“Verification successful”**Your identity has been confirmed.The user passed all checks.
(This is the standard message when no issues are found).
Failed**“Your verification was unsuccessful”**Unfortunately, we could not confirm your identity. Something went wrong.The verification was denied due to a critical error or policy violation.
** Suspected****“Thank you. Verification may be further investigated.”**Your information has been submitted. Some discrepancies were identified.The system flagged potential issues. The session is likely sent for manual review.
** Unverified****“Verification time expired”**The verification process was not performed within the allocated time.The user abandoned the session or the time limit ran out.

Face Denial Reasons

These errors occur during the selfie capture or liveness check.
Error TagMessage to User / Description
FAKE_FACEThe face appears covered, not visible, or spoofed.
FACE_TOO_BLURRYThe face appears too blurry. Device may be shaking.
FACE_MISMATCHMismatch between the selfie and the document photo.
NO_FACE_FOUNDFace could not be found in the selfie.
TOO_MANY_FACESMore than one face was detected in the photo.
AUTO_UNVERIFIABLEAutomatic verification of face was not possible.

Document Denial Reasons

These errors occur during document analysis. They are grouped by category for easier debugging.

Visibility & Image Quality

Error TagMessage to User / Description
DOC_NOT_FOUNDCannot find the document in the photo provided.
DOC_NOT_FULLY_VISIBLEParts of the document are hidden or cut off.
DOC_TOO_BLURRYDocument is too blurry to read (focus/lighting issue).
DOC_GLAREDToo much glare/reflection on the document.
DOC_FACE_GLAREDToo much glare specifically on the face photo.
DOC_FACE_NOT_FOUNDFace photo could not be located on the document.
DOC_DAMAGEDDocument appears physically damaged.

Data Mismatches & Validity

Error TagMessage to User / Description
DOC_INFO_MISMATCHInformation from document does not match client input.
DOC_EXPIREDThe document is expired and cannot be used.
DOC_SPOOF_DETECTEDPotential spoof or fake detected.
DOC_FAKEIssue reading document authenticity (suspected fake).
DOC_PERSONAL_CODE_INVALIDPersonal code found but could not be verified/invalid format.

User Selection Errors

Error TagMessage to User / Description
DOC_TYPE_MISMATCHUploaded document does not match selected type (e.g. Passport vs DL).
DOC_SUBTYPE_MISMATCHIssue recognizing the specific document subtype.
DOC_SIDE_MISMATCHProvided side does not match (e.g. Front instead of Back).
COUNTRY_MISMATCHDocument country does not match selected country.
DOC_NOT_SUPPORTEDDocument type is not supported.
DOC_NOT_ALLOWEDDocument type is valid but not allowed by your configuration.
COUNTRY_NOT_SUPPORTEDThe specified country is not supported.

Data Extraction Failures (Specific Fields)

Error TagMessage to User / Description
DOC_NAME_ERRORName not found or differs too much from input.
DOC_SURNAME_ERRORSurname not found or differs too much from input.
DOC_EXPIRY_ERRORUnable to find expiry date.
DOC_DOB_ERRORUnable to find date of birth.
DOC_PERSONAL_NUMBER_ERRORUnable to find personal code.
DOC_NUMBER_ERRORUnable to find document number.
DOC_DATE_OF_ISSUE_ERRORDate of issue could not be read.
DOC_SEX_ERRORSex/Gender could not be read.
DOC_NATIONALITY_ERRORNationality could not be read.

Technical Reading Errors (MRZ, Barcode, NFC)

Error TagMessage to User / Description
MRZ_NOT_FOUNDMachine Readable Zone (MRZ) area cannot be located.
MRZ_INVALIDMRZ code appears to be invalid.
MRZ_OCR_READING_ERRORTrouble reading the MRZ text characters.
BARCODE_NOT_FOUNDBarcode could not be located.
NFC_FAILEDIssue reading the document NFC chip.
NFC_INIT_FAILEDCould not initialize NFC reading.
NFC_TIMEOUTNFC reading timed out.

System Errors

Error TagMessage to User / Description
DOC_ERRORAn error occurred while analyzing the document.
DOC_NOT_ANALYSEDThe document was not analyzed.