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T4 TrustSeal Studio

Checking API

Overview
Verify a sealAny format

Issue · Health

Proof of Testing
Vaccination
Recovery

Issue · Travel & identity

Visa
Emergency travel doc
Travel authorization
MRZ
Card Access Number

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Seal Studio
Verify a seal

Search Seal Studio

Jump to any seal

Checking API

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Seal Studio

Verify a seal

Paste the text a scanner read from a QR code or Data Matrix. The format is detected for you, then the signature is checked.

Seal content

Waiting for input

Format

Nothing verified yet

Paste a seal, or generate one and choose Open in Verify.

Generate a seal