Handsign turns a name into a handwritten signature, drawn by our own image model trained on real signatures. Send a name to the API and get back a PNG or SVG image in a few seconds. Names and images are never stored.

Preview
Request 
POST /v1/signatures
Authorization: Bearer hs_live_…

{
  "name": "Victor Hugo",
  "style": "elegant",
  "color": "black",
  "size": "L"
}

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See the Pricing read the API reference or create a free account to be ready on launch day.

Zero data retention The name you send is turned into a signature in memory and returned in the same response. It is never written to a database, a log or a disk, and neither is the image. The only thing Handsign keeps is a counter for your quota: when a signature was made, with which style and size. Details in the Terms
How it works Our own model, trained on thousands of real handwritten signatures, picks a real signature in the requested style and writes the name in that hand, three times. A small vision model scores each take against real signatures and rejects plain copies, and the most convincing take is returned in the ink color of your choice, as a PNG with a transparent or white background or as an SVG outline.
Known limits It is a generative model. A signature can come back with a misspelled letter or a stray mark. The X-Signature-Realism header gives the resemblance score of the returned take, and we are correcting these details with every version.
Options Four styles (natural, elegant, flourish, scrawl), any ink color, a transparent or white background, four widths (S 128 px, M 256 px, L 512 px, XL 768 px), as PNG or SVG.
Pricing Free $0: 100 a month · Starter $9: 2,000 a month · Pro $29: 10,000 a month · Business $149: 50,000 a month
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