ScriptMasterLabs.com · x402 Directory
Hashing, HMAC & Checksum Suite
Resource: https://hash-hmac.underscoredone.com/hash · Directory page generated 2026-11-09T12:39:40.019Z from live sources.
The facts, as last reported 2026-11-09T12:33:19.692Z: this resource answers x402 payment challenges at 0.01 USDC on Base (exact), pay to 0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08. It is reported by Coinbase CDP and its directory state is live.
What it does
Give this API any text or binary data and it returns its fingerprint under whichever hash algorithms you choose - SHA-256, SHA-512, MD5, BLAKE2, CRC32 and more. It also signs data with a secret key (HMAC) and safely verifies whether an inco
Payment options
| Network | Scheme | Asset | Amount | Pay to |
|---|---|---|---|---|
| Baseeip155:8453 | exact | USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0.0110000 atomic | 0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08 |
| Solanasolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | USDCEPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v | 0.0110000 atomic | 8ugAWAXDB8V18kiUrGZTq1oMvU3C6Fxs8hfC6rvzQT3b |
Verification — the enrichment record
| Verification state | facilitator-reported |
|---|---|
| Verified / reported at | 2026-11-09T12:33:19.692Z |
| Settlement recency | listing last updated 2026-11-09T12:05:04.532Z at its source |
| Freshness | live — last reported 2026-11-09T12:33:19.692Z, listing last updated at source 2026-11-09T12:05:04.532Z |
| Reporting facilitator | Coinbase CDP |
| Sources | cdp |
| Tags | sha256 hash, hash, hmac, hmac signature, verify hmac signature |
Call it
An unpaid call returns the live 402 challenge — that challenge, not this page, is the price quote:
curl -i "https://hash-hmac.underscoredone.com/hash"
Pay it with any x402 client on Base, Solana. Networks: Base · Solana