API Docs

POST /api/v1/verifycertificate

Verify a timestamp certificate without providing the hash. Requires API key.

Headers
HeaderRequiredDescription
X-API-KeyYesYour API key
Request Body
{
  "certificate": "MIIGnAYJKo..."
}
Response
{
  "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
  "filename": "document.pdf",
  "description": "Q1 financial report",
  "timestamp": "2026-04-03T12:00:00Z",
  "verified": "PARTIAL"
}
verified values
ValueMeaning
VERIFIEDCertificate valid AND the matching proof is confirmed on Bitcoin
PARTIALCertificate valid; blockchain not confirmed (or no matching proof)
FAILEDCertificate invalid or corrupted
Error Codes
StatusCondition
400Missing or invalid certificate
401Missing or invalid API key
429Rate limit exceeded
cURL Example
curl -X POST https://proofintegrity.net/api/v1/verifycertificate \
  -H "Content-Type: application/json" \
  -H "X-API-Key: your-api-key-here" \
  -d '{
    "certificate": "MIIGnAYJKo..."
  }'