Document Verification API for Lenders & Fintechs
One POST request returns a JSON report: the result, a confidence value and every signal that fired. Built for loan origination, tenant screening and KYC flows.
Watch it run
Play the demo
curl -X POST https://atomara.io/api/v1/documents \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Idempotency-Key: tenant-123-payslip" \
-F "file=@statement.pdf" \
-F "external_id=tenant-123"{
"id": "doc_3f9a1c8e6d2b4f7a9c311e5b0a77d4c2",
"object": "document",
"status": "completed",
"external_id": "tenant-123",
"verdict": "tampered",
"score": 3,
"tamper_score": 0.87,
"integrity_score": 0.05,
"confidence": 0.82,
"summary": "The file was re-saved by an editor after issue.",
"signals": [
{
"id": "editor_producer_blacklist",
"module": "M4",
"kind": "tamper",
"severity": "high",
"evidence": "Producer: Adobe Acrobat Pro DC",
"scored": true
},
{
"id": "invariant_balance",
"module": "M8",
"kind": "tamper",
"severity": "medium",
"page": 2,
"evidence": "Closing balance: expected 4310.50, found 6310.50",
"scored": true
}
],
"engine": {
"version": "1.0.0",
"rules_revision": "2026-07-07"
},
"report_url": "https://atomara.io/account/uploads/3f9a1c8e6d2b4f7a9c311e5b0a77d4c2"
}Abridged. The full document also carries the file details, your metadata and an error object. score runs 0–100, higher is better (0–30 tampered, 31–55 suspicious, 56–80 inconclusive, 81–100 authentic); it is null for scanned or photographed documents.
Calling it from an AI agent or a script? →
Where platforms use it
Fast
Median verdict under a second, returned synchronously in the same response. No queues and no callbacks to implement.
Issuer-agnostic
No templates to onboard and no bank list to wait for. The analysis covers over 50 signals across metadata, saved revisions, fonts, structure, digital signatures and balance math. You can send any PDF.
Simple pricing
From $0.10 per check on the volume plan. Your first 3 checks are free once you confirm your email.
Get API access
Create a free account and issue a key under Developers — your first 3 checks are free once you confirm your email. For volume pricing or trial credits, leave your email and we'll reply within 24 hours.