82 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.
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.
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.
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.
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.
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.
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.
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.
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.
Run a deterministic SHA-256, base64 encode/decode, or UUID utility and return structured JSON.
Generate a SHA-256 cryptographic hash from UTF-8 text
Capture point-in-time URL facts, response headers, a text excerpt, and a SHA-256 content hash for research and verification.
JSON canonicalization — canonicalize structured data with RFC 8785 JCS; return canonical JSON text, UTF-8 byte length, and SHA-256 hash for integrity checks, signature preparation, and deduplication. Includes an EIP-712...
SHA-256, SHA-384, SHA-512 or SHA-1 of any text in one GET, without an LLM or a local tool: pass text and get the digest as hex or base64. curl: GET /hash?text=hello (algo sha256|sha384|sha512|sha1, default sha256; encodi...
File-hash reputation and known-file context for a SOC or DFIR agent. Give an md5, sha1 or sha256 hash and get CIRCL hashlookup known-file status, a hashlookup trust score and file metadata (name, size, mimetype, source,...
Paid content hash + integrity ledger (cycle 217, x402 $0.01) - GET ?text=<STRING> OR ?data=<BASE64> OR ?sample=1|2|3 OR POST application/json {text|data}. Computes every digest an AI agent needs BEFORE it trusts a downlo...
Paid x402 seller catalog-integrity audit (cycle 185, x402 $0.001) - audits an x402 seller's OWN paid-route catalog for the defects that mechanically suppress demand. GET with no params audits THIS seller live against its...
Paid SMTP credential-leak probe (cycle 158, x402 $0.0005) - actively probes each MX host on ports [25, 465, 587] for credential-handling vulnerabilities. Per-port: opens TCP, reads banner, sends EHLO, captures AUTH mecha...
Paid CSP x Live-Script mapper (cycle 156, x402 $0.001) - fetches target HTML, extracts every <script src=...> URL, and maps each against the target's declared CSP script-src + default-src allow-list. Reports which runnin...
Paid x402 payment receipt parser + on-chain tx verifier (cycle 151, x402 $0.001) - accepts a server-returned X-PAYMENT-RESPONSE base64 (the canonical x402 settlement receipt) OR a raw transaction hash (0x + 64 hex) which...
Paid CSP x Subresource-Integrity (SRI) verifier (cycle 150, x402 $0.001) - fetches URL HTML, extracts every external <script src=> + <link rel=stylesheet href=>, fetches each asset (200KB cap), computes sha256 + sha384,...
Paid llms.txt multi-target drift monitor (cycle 149, x402 $0.001) - up to 20 domains in parallel via ThreadPoolExecutor; per_host H1 + first-5-URLs + sha256 fingerprint; compares to /tmp/llms_txt_monitor_state.json to de...
Paid Content-Encoding integrity + compression-bomb detector (cycle 141, x402 $0.001) - fetches URL 3x: no Accept-Encoding baseline + Accept-Encoding: gzip + Accept-Encoding: br, gzip; records raw bytes + Content-Length +...
Paid CSP inline-fidelity validator (cycle 130, x402 $0.001) - fetches target URL, parses CSP, extracts every inline <script>/<style> block + event handler, computes sha256 of each, reports per-block {hash_in_csp, nonce_i...
Paid TLS server-cert trust chain inspection (cycle 126, x402 $0.001) - opens TLS via ssl.create_default_context, pulls full DER chain via get_verified_chain(), parses each cert (subject/issuer/not_before/not_after/key_ty...