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₿ satring info certvera-file-upload-timestamp

CertVera File Upload Timestamp

[L402] #identity #tools
Timestamp a file on Bitcoin by uploading it directly. File is hashed server-side, stored on Google Cloud, and anchored via OP_RETURN. POST {action: l402_timestamp, file_data: <base64>, filename: <name>} to certvera.com/api/l402. 30,000 sats via L402 (includes 5,000 sat upload surcharge). Max 25 MB. Supports PDF, images, and documents.
endpointhttps://certvera.com/api/l402?action=l402_timestamp_upload
pricing30000 sats / per-request
protocolL402
status[domain verified]
providerPaul
contacthttps://certvera.com/contact
listed2026-03-05
─ stats ─
rating: — (0 reviews)
price: 30000 sats / per-request
proto: L402
status: [verified]
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