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Documents & Biometrics

Document Tamper Check API

Run a scanned ID, payslip, bank statement or certificate through forensic checks — pixel-level edits, font inconsistencies, metadata anomalies and known template fingerprints — and get a tamper score with the regions flagged.

Response
Real-time
Inputs
1 required · 1 optional
Consent
Not required
Billing
Per successful call
POST /v1/document-tamper-check
Sandbox · Production
  1. Your application sends

    • Document image or PDF*
    • Document type hint
  2. emver API

    Validates the request, queries the source, normalises the answer and logs the call. Billed only on success.

  3. Verified with

    Authoritative source

  4. You receive

    • Tamper verdict
    • Authenticity score
    • Anomalies found
    • Suspect regions
document-tamper-check Full reference
Overview

What the Document Tamper Check API does

Upload the document image or PDF. The API returns an overall authenticity score, the specific anomalies found and, for images, the bounding boxes of suspect regions so reviewers can look exactly where it matters.

Benefits

Why teams use the Document Tamper Check API

Detect edited, forged or template-generated documents before you trust their contents.

Sees what reviewers miss

Sub-pixel edits and metadata changes are invisible to the eye.

Template fingerprinting

Recognises documents produced by known fake-document generators.

Use cases

Where it's called

Where the Document Tamper Check API is typically called, and what it settles there.

Employment screening

Screen payslips, offer letters and experience letters before verification calls.

Lending

Catch edited bank statements and ITRs at application.

How it works

Four steps, one response envelope

Request and response details, environments and a ready-to-import collection are in the developer console.

  1. 01

    Authenticate

    Call with your organisation API key. Sandbox and production use the same contract.

  2. 02

    Send the inputs

    Document image or PDF as a JSON body. Optional fields sharpen the match.

  3. 03

    We verify at source

    emver queries the authoritative record, normalises the answer and logs the request.

  4. 04

    Act on the result

    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

Document Tamper Check API: frequently asked questions

What teams ask before adding the Document Tamper Check API to their integration.

Pair it with ID Document OCR or Bank Statement Analysis for extraction; this API focuses on whether the document itself can be trusted.

Related

APIs that run alongside it

Usually called with the Document Tamper Check API, on the same key.

All APIs
Access usually set up within one working day

Start verifying with emver today.

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