Proof Ledger

Business Freemium View on RapidAPI ↗

ProofLedger – Immutable Proof of Existence via Blockchain ProofLedger is a robust and developer-friendly API designed to provide cryptographic proof of existence for digital assets, documents, and data. By registering SHA-256 hashes on the Polygon blockchain, ProofLedger ensures that your content is timestamped and anchored immutably—without ever revealing the original file. Whether you're…

8.8/10 popularity
2185 ms avg latency
100% success rate
1 endpoints
The in-depth APIMemo review for this API hasn't been published yet — the data below comes straight from the public marketplace listing.

Proof Ledger endpoints

MethodEndpointDescription
POST Store Hash
/api/store-hash 		Hash successfully registered on Polygon Mainnet in < 6 seconds Returns: • transactionHash (PolygonScan link) • block number, gas used, exact cost in MATIC • UTC timestamp +…

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