{"x402Version":2,"name":"Hash Toolkit","description":"Cryptographic digests and HMACs — SHA-2, SHA-3, BLAKE2, SHA-1, MD5, RIPEMD-160 — with hex/base64 I/O.","version":"0.1.0","openapi":"https://hash.openverbs.com/openapi.json","resources":[{"url":"https://hash.openverbs.com/v1/hash","method":"POST","description":"Compute a cryptographic digest (SHA-2, SHA-3, BLAKE2, and legacy SHA-1/MD5/RIPEMD-160) of some data. The input may be utf8/hex/base64/base64url and the digest is returned as hex/base64/base64url.","tags":["hash data","sha256 hash","compute digest","md5 checksum api","sha3 digest","data checksum"],"accepts":[{"scheme":"exact","network":"eip155:8453","price":"$0.002","payTo":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","asset":"USDC"}]},{"url":"https://hash.openverbs.com/v1/hmac","method":"POST","description":"Compute a keyed HMAC of some data with a secret key — the standard way to sign and verify webhooks (Stripe, GitHub, etc.) and API requests. Data and key may each be utf8/hex/base64/base64url; the tag is returned as hex/base64/base64url.","tags":["hmac signature","sign webhook payload","verify webhook hmac","keyed hash api","hmac sha256","api request signature"],"accepts":[{"scheme":"exact","network":"eip155:8453","price":"$0.002","payTo":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","asset":"USDC"}]}]}