> For the complete documentation index, see [llms.txt](https://vcheck.gitbook.io/vcheck-portal-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://vcheck.gitbook.io/vcheck-portal-documentation/products/id-verification/api/id-verification-result-definitions.md).

# ID Verification Result Definitions

### Decision Parameters

<table data-full-width="false"><thead><tr><th width="283.1875">Field Name</th><th>Description</th></tr></thead><tbody><tr><td>Decision Age Validation</td><td>Validates that the end user is over the age of 18 or 21 based on configuration.</td></tr><tr><td>Decision Color Code</td><td>Validates that the ID document received is color and not black and white/greyscale</td></tr><tr><td>Decision Data Match</td><td>Validates that the data on the front of ID matches the data in the barcode or MRZ. It is also used when input data is sent in the request and matched against what is extracted from the ID.</td></tr><tr><td>Decision Deduplication Check</td><td>Validates that an individual’s biometrics have not previously been enrolled.<br><em>NOTE: This is only used when performing enrollment services.</em></td></tr><tr><td>Decision Face Detected</td><td>Validates that a face is present on the ID document.</td></tr><tr><td>Decision ID Accepted</td><td>Validates that an ID document submitted is acceptable based on the list of configured ID types.</td></tr><tr><td>Decision ID Expiration Check</td><td>Validates that an ID document is not expired</td></tr><tr><td>Decision ID Number Validation</td><td>Validates that the ID Number is in the expected format/pattern</td></tr><tr><td>Decision Image Quality Check</td><td>Validates that a valid front / back image is included in the request</td></tr><tr><td>Decision Key Component Check</td><td>Validates that a minimum set of data elements are present on the ID (name, DOB, expiry date)</td></tr><tr><td>Decision Liveness Check</td><td>Validates that a live human was detected during the selfie capture</td></tr><tr><td>Decision MRZ Invalid</td><td>Validates that the MRZ follows the expected length, format and check digit validation.</td></tr><tr><td>Decision Sample</td><td>Validates using key words that the ID is not a known sample.</td></tr><tr><td>Decision Security Feature Found</td><td>Validates that key security features are present, such as an issuer emblem, signature, etc.</td></tr><tr><td>Decision Suspicious ID Check</td><td>Validates against our proprietary AI models to determine if the face image is suspicious</td></tr><tr><td>Decision Tamper Detection</td><td>Validates there is no tampering on the ID or if it is suspected to be a photocopy or screen image.</td></tr></tbody></table>

### Review Automated Verification Decision Results

<table data-full-width="false"><thead><tr><th valign="top">Failure Category</th><th valign="top">Verification Result</th><th valign="top">Description</th></tr></thead><tbody><tr><td valign="top">Image Quality</td><td valign="top">Barcode Unreadable</td><td valign="top">A barcode is expected to be present, but the barcode data is not detected or cannot be correctly parsed.</td></tr><tr><td valign="top">Data Match</td><td valign="top">DOB Match Failed</td><td valign="top">If the Date of Birth submitted in the request for the Customer doesn’t meet the matching thresholds against the Date of Birth extracted from the ID Document.</td></tr><tr><td valign="top">Invalid ID</td><td valign="top">Expired ID</td><td valign="top">The expiration date on the ID is equal to or less than the current date.</td></tr><tr><td valign="top">Data Match</td><td valign="top">Expiry Date Match Failed</td><td valign="top">If the Expiration Date submitted in the request for the Customer doesn’t meet the matching thresholds against the Expiration Date extracted from the ID Document.</td></tr><tr><td valign="top">Image Quality</td><td valign="top">Face Not Detected</td><td valign="top">A face is not detected on an image. Typically, this occurs when the face is not present on the ID. In some cases, this is due to poor image quality or image glare.</td></tr><tr><td valign="top">Biometric Match</td><td valign="top">Facial Biometric Match Failed</td><td valign="top">If a customer photo is captured and does not biometrically match the photo in the ID document.</td></tr><tr><td valign="top">Image Quality</td><td valign="top">ID Back Image not found</td><td valign="top">The back of an ID is expected to be present, but the back image was not sent, or a blank image was provided.</td></tr><tr><td valign="top">Data Match</td><td valign="top">ID Front and Back Mismatch</td><td valign="top">If the data extracted from the back of the ID image does not belong to the data presented on the front of the ID image.</td></tr><tr><td valign="top">Image Quality</td><td valign="top">ID Front Image Not Found</td><td valign="top">The front of an ID is not uploaded, or a blank image was provided.</td></tr><tr><td valign="top">Invalid ID</td><td valign="top">ID Not Accepted</td><td valign="top">The uploaded ID is not present in the list of accepted ID Types for the client.</td></tr><tr><td valign="top">Data Match</td><td valign="top">IDNumber Match Failed</td><td valign="top">The ID Number that was extracted by OCR from the ID does not match the ID Number that was extracted from the MRZ or Barcode, OR the ID Number submitted in the request does not match the ID Number that was extracted through OCR.</td></tr><tr><td valign="top">Suspected Fraud</td><td valign="top">Invalid ID Number</td><td valign="top">The ID Number on the ID does not match the pattern defined in the ID Template.</td></tr><tr><td valign="top">Image Quality</td><td valign="top">Key Component Not Visible</td><td valign="top">If one of the key components on the ID (DOB, Expiry Date or Name) is missing.</td></tr><tr><td valign="top">Image Quality</td><td valign="top">Low Resolution</td><td valign="top">The front or back image that was provided has been detected to not have the appropriate color/grayscale based on the resolution thresholds defined.</td></tr><tr><td valign="top">N/A</td><td valign="top">Live Face Detected</td><td valign="top">If our system detects a live face from the selfie.</td></tr><tr><td valign="top">Suspected Fraud</td><td valign="top">Live Face Not Detected</td><td valign="top">If our system does not detect a live face from the selfie image (e.g., if the selfie image is a photo of a photo, if the selfie image is a screen capture of a face, etc.)</td></tr><tr><td valign="top">Data Match<br>Image Quality</td><td valign="top">MRZ and ID Data Mismatch</td><td valign="top">If the data extracted from the MRZ does not match the data extracted from the ID image itself.</td></tr><tr><td valign="top">Suspected Fraud<br>Image Quality</td><td valign="top">MRZ Invalid</td><td valign="top">The MRZ Validation flag (Machine Readable Zone) results in determining that the MRZ Data was not correct according to the standards.</td></tr><tr><td valign="top">Data Match</td><td valign="top">Name Match Failed</td><td valign="top">If the name submitted for the Customer or the Employee doesn’t meet the matching thresholds against the name extracted from the ID Document.</td></tr><tr><td valign="top">Image Quality</td><td valign="top">No Image Found</td><td valign="top">The ID front and back images are black or white and missing an ID Image.</td></tr><tr><td valign="top">Suspected Fraud<br>Image Quality</td><td valign="top">Security Feature Invalid</td><td valign="top">One or more security features defined for the ID template are a mismatch with the provided image.</td></tr><tr><td valign="top">Suspected Fraud</td><td valign="top">Suspected Sample</td><td valign="top">An ID has been detected as a sample (logic has been configured to recognize sample ID numbers, names, watermarks and other suspected sample data.)</td></tr><tr><td valign="top">Suspected Fraud</td><td valign="top">Suspected Tampering</td><td valign="top">Editing software was detected based on dates being falsely created or modified in the ID document image. Tamper of the photo or text on the ID was detected. ID image was detected as a photocopy or screen, or there was a discrepancy that was above threshold between the estimated age (from selfie) and the calculated age from the DOB.</td></tr><tr><td valign="top">Suspected Fraud</td><td valign="top">Suspicious ID</td><td valign="top">If an ID is found to be suspicious based on the biometric negative DB using the photo extracted from the ID. This can include known fraudsters as well as known sample face images.</td></tr><tr><td valign="top">Image Quality</td><td valign="top">Template Not Found</td><td valign="top">The ID image submitted could not be classified as a known ID type from our template library.</td></tr><tr><td valign="top">Under age</td><td valign="top">Under the age of 18</td><td valign="top">The date of birth (extracted from the barcode / MRZ) calculates the individual as under the age of 18.</td></tr><tr><td valign="top">Under age</td><td valign="top">Under the Age of 21</td><td valign="top">The date of birth (extracted from the barcode / MRZ) calculates the individual as under the age of 21.</td></tr><tr><td valign="top">Suspected Fraud</td><td valign="top">VideoID Audio Match Failed</td><td valign="top">The user’s Audio captured in the videoID does not match the Audio data expected.</td></tr><tr><td valign="top">Suspected Fraud</td><td valign="top">ID and VideoID Not Matched</td><td valign="top">The user's captured ID does not match the ID presented in the VideoID process.</td></tr><tr><td valign="top">Suspected Fraud</td><td valign="top">VideoID Face Match Failed</td><td valign="top">The user's captured Selfie does not match the Face in the VideoID process.</td></tr></tbody></table>
