One register for every letter.

Issue authenticated letterheads, reserve reference numbers for physical letters, and let anyone verify a reference in seconds.

Issue a letterheadVerify a reference

Issue letterhead

Pick a head, verify OTP, write the body, sign — get a locked DOCX/PDF with QR.

Reserve a ref-no

For physical letters: enter subject, verify OTP, get a register-backed reference number.

Upload & sign a PDF

Upload a PDF, route OTP to a designated signer, and get it digitally signed (DSC) with a QR + reference number.

Verify publicly

Anyone with a reference or QR can confirm authenticity on /verify.

Verify a reference