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Detect the signature in a scanned form or cheque, compare it with the specimen on file and return a similarity score with a match verdict, replacing eyeball checks in operations teams.
Your application sends
emver API
Validates the request, queries the source, normalises the answer and logs the call. Billed only on success.
Verified with
Authoritative source
You receive
Upload two images: the reference specimen and the document carrying the signature to verify. The API locates the signature, normalises it and returns a confidence score with a configurable threshold verdict.
Compare a signature on a document with a reference specimen and get a match score.
A number, not an opinion, for every signature comparison.
Runs inside the same call as your document upload.
Where the Signature Match API is typically called, and what it settles there.
Match against the account specimen before clearing.
Confirm the applicant signed every page.
Request and response details, environments and a ready-to-import collection are in the developer console.
Call with your organisation API key. Sandbox and production use the same contract.
Reference signature image, Document image as a JSON body. Optional fields sharpen the match.
emver queries the authoritative record, normalises the answer and logs the request.
A verification status plus the fields listed above, in the same response envelope as every other API.
Privacy and security built in
Consent recorded · Payloads not retained beyond your retention window · Every request traceable
FAQ
What teams ask before adding the Signature Match API to their integration.
JPEG, PNG and PDF pages. Send the highest resolution you have; scans at 200 dpi or above give the most stable scores.
Usually called with the Signature Match API, on the same key.
Documents & Biometrics
Extract structured data from Aadhaar, PAN, passport, DL, voter ID and more.
Documents & Biometrics
Compare a selfie to the photo on an ID document or KYC record.
Documents & Biometrics
Detect edited, forged or template-generated documents before you trust their contents.
Tell us which APIs and what monthly volume. We set up your organisation, approve the APIs with demo hits and share per-call pricing.