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Signature Detector
Find signatures in documents with one API call
A REST API that finds signatures in images and PDFs and returns bounding boxes with confidence scores. Check whether contracts, forms and KYC documents are signed. $0.0001 per image or PDF page, 10 free credits, credits never expire, no subscription.
Hi Product Hunt, I'm Doruk and I built Signature Detector.
Lots of workflows (onboarding, lending, contracts, HR forms) start with one check: is this document signed, and where? The usual options are document AI suites that charge per page for much more than that.
Send an image or a PDF (up to 20 pages) to one endpoint and get back every signature's bounding box and a confidence score.
Pricing: $0.0001 per image or PDF page ($10 for 100,000). New accounts get 10 free credits with no card. Credits never expire and there's no monthly plan. At list price that's about 35x cheaper than Textract's signature feature.
For developers there's an OpenAPI spec, a Postman collection and a browser playground.
It doesn't verify identity or detect forgery. It only finds signatures.
Tell me which documents you'd try it on and what breaks.
About Signature Detector on Product Hunt
“Find signatures in documents with one API call”
Signature Detector was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #336 on the daily leaderboard. A REST API that finds signatures in images and PDFs and returns bounding boxes with confidence scores. Check whether contracts, forms and KYC documents are signed. $0.0001 per image or PDF page, 10 free credits, credits never expire, no subscription.
On the analytics side, Signature Detector competes within API, Developer Tools and Artificial Intelligence — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how Signature Detector performed against the three products that launched closest to it on the same day.
Who hunted Signature Detector?
Signature Detector was hunted by Doruk. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Signature Detector including community comment highlights and product details, visit the product overview.
Doruk
Hi Product Hunt, I'm Doruk and I built Signature Detector.
Lots of workflows (onboarding, lending, contracts, HR forms) start with one check: is this document signed, and where? The usual options are document AI suites that charge per page for much more than that.
Send an image or a PDF (up to 20 pages) to one endpoint and get back every signature's bounding box and a confidence score.
Pricing: $0.0001 per image or PDF page ($10 for 100,000). New accounts get 10 free credits with no card. Credits never expire and there's no monthly plan. At list price that's about 35x cheaper than Textract's signature feature.
For developers there's an OpenAPI spec, a Postman collection and a browser playground.
It doesn't verify identity or detect forgery. It only finds signatures.
Tell me which documents you'd try it on and what breaks.