JSON Integrity Attestation x402 REST usage
Signed integrity, provenance and freshness receipt for AI-agent JSON
0.001 USDC per call
per call
Integrity
38 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
url-file-checksum x402 REST
Checksums of a file at a URL (up to 5 MB): SHA-256, SHA-1 and MD5-free SHA-384 hex digests, the SRI string (sha384-…), byte size, content type, last-modified and ETag, plus the final URL after redirects. Verify downloads...
0.01 USDC per call
per call
hash-sha-1-hex x402 REST
SHA-1 digest of the given text as hex: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-1-base64 x402 REST
SHA-1 digest of the given text as base64: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-1-base64url x402 REST
SHA-1 digest of the given text as base64url: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-256-hex x402 REST
SHA-256 digest of the given text as hex: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-256-base64 x402 REST
SHA-256 digest of the given text as base64: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-256-base64url x402 REST
SHA-256 digest of the given text as base64url: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-384-hex x402 REST
SHA-384 digest of the given text as hex: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-384-base64 x402 REST
SHA-384 digest of the given text as base64: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-384-base64url x402 REST
SHA-384 digest of the given text as base64url: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-512-hex x402 REST
SHA-512 digest of the given text as hex: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-512-base64 x402 REST
SHA-512 digest of the given text as base64: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published
hash-sha-512-base64url x402 REST
SHA-512 digest of the given text as base64url: computed with WebCrypto, nothing stored. Also returns the byte length and the digest size. Integrity checks, cache keys, content addressing. $0.01 per call.
no price published