01Privacy
Private Data Verification
How do you prove something is true without showing the data? Validate the integrity of any text payload and get back a zero-knowledge proof attesting to it, with the underlying data never exposed. Returns a permanent proof ID and a shareable URL anyone can check.
https://centry.cybercentry.co.uk/api/services/private_data_verification
02Buy
$1.00 per call.
Prove a value is what you say without revealing the value
Returns a permanent proof ID and a public verification URL
For attesting documents, credentials or sensitive fields in agent workflows
Returns
proof_idstring
ZKP Verification ID
proof_urlstring
ZKP Verification URL
Call it directly
curl -i -X POST "https://centry.cybercentry.co.uk/api/services/private_data_verification" \
-H "Content-Type: application/json" \
-d '{"cpdv_data":"order #4471, total $129.00, paid 2026-05-24"}'POST JSON is canonical · GET query params also work · unpaid requests return 402 · see the payment flow
