YOU BUILD SOFTWARE

Add the seal to your documents in a few lines of code.

Every invoice, payslip or contract your customers send carries their seal. Your customers can finally prove their documents really come from them — an edge your competitors don't have.

Get an API key Talk to a founder

FIRST MOVERS PROGRAM

Be the first software in your category whose customers deliver documents anyone can verify.

We support the first editor in each field: a launch announced together, a dedicated engineer to connect Deepstamp to your software, and the “Verified by Deepstamp” badge on the verification page your customers see.

PROGRAM BENEFITS

Your first 100,000 sealed documents, on us
Your logo on the verification page for 12 months
A launch announced together with you
A dedicated engineer to connect Deepstamp to your software
Founding price locked in writing, guaranteed never to rise

See how to add it

INTEGRATION · THREE STEPS

From signed contract to first sealed document in one afternoon.

STEP 01 · 3 minutes

Add the SDK

A single package. Node, Python, Go, PHP, Ruby, Java.

STEP 02 · under an hour

Connect your PDF flow

Run the PDF you already generate through deepstamp.seal(...).

STEP 03 · same day

Ship it

From this build on, every document your customers send goes out with its proof of authenticity.

WHAT YOU PLUG IN, IN ONE AFTERNOON

“The “verify” button your customers are asking for and your competitors don't have.”

WHAT YOU GAIN

“A few lines of code, two days of QA, and every document goes out sealed.”

WHAT IT COSTS YOU

“An invoice, a payslip, a contract from your tool proves on its own that nobody touched the amount, the date, or the IBAN.”

WHAT YOUR CUSTOMERS SEE