MARKET MONITOR / CATALOGUE Services 133,931 MCP listed 40,872 x402 93,140 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-01 · 3 sources
Task

Hmac

14 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.

Saylor Innovations Guide Library x402 REST usage

CUDA, driver and Ollama compatibility - GPU support, model memory fit and proof inference uses the GPU

saylorinnovations.com AI Models & Inference 6 calls / 30d checked 2026-10-31
0.01 USDC per call per call

Hashing, HMAC & Checksum Suite x402 REST usage

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 veri...

hash-hmac.underscoredone.com AI Models & Inference 5 calls / 30d checked 2026-11-01
0.01 USDC per call per call

iotwerk_device_auth x402 REST usage

Canonicalizes device_id, nonce and message, computes an HMAC-SHA256 tag with caller-supplied ephemeral key material, and optionally compares a claimed tag in constant time. It does not provision devices, store keys or re...

iot.halowerk.com Security 18 calls / 30d checked 2026-11-01
0.002 USDC per call per call

Textokit x402 REST usage

Argentina official gazette (Boletin Oficial) keyword search returning literal excerpts of matching notices with dates and source URLs; an optional date limits the search to that day's notices. Use this when an agent need...

tienda.textokit.store Search & Research 7 calls / 30d checked 2026-10-31
0.005 USDC per call per call

GCD + LCM x402 REST usage

Greatest common divisor and least common multiple of two or more integers, computed exactly (arbitrary precision). Useful for cycle alignment, scheduling periods and fraction work. Signs are ignored; a zero makes the LCM...

agent402.tools Other services 13 calls / 30d checked 2026-11-01
0.001 USDC per call per call

Hash + HMAC x402 REST usage

Compute cryptographic digests and HMACs deterministically: MD5, SHA-1, SHA-256, SHA-384, SHA-512, output as hex, base64, or base64url. Add a "key" for HMAC. Built for checksums, content addressing, and signature verifica...

keyronne.com Data & Finance 13 calls / 30d checked 2026-11-01
0.001 USDC per call per call

Agent Payload Tools x402 REST usage

Hash text, strings, or UTF-8 payload data with SHA256, SHA384, or SHA512. Compute a cryptographic hash, checksum, or digest for payload integrity, content fingerprinting, cache keys, and verifying that data has not chang...

api.agent-payload-tools.workers.dev Data & Finance 12 calls / 30d checked 2026-11-01
0.001 USDC per call per call

JWT sign x402 REST usage

Mint a signed JSON Web Token (HMAC: HS256 default, HS384, HS512) from a payload + secret. Pairs with jwt-decode/jwt-verify to complete the trio. Deterministic - same payload, secret, and alg always produce the same token...

agent402.tools Data & Finance 10 calls / 30d checked 2026-10-31
0.001 USDC per call per call

HMAC of a message under a key x402 REST usage

HMAC of a message under a key — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Other services 3 calls / 30d checked 2026-10-31
0.003 USDC per call per call

JWT verify (HMAC) x402 REST usage

Verify an HS256/384/512 JWT signature against a secret and check expiry. Returns valid + decoded payload. (HMAC algorithms only.)

agent402.tools Dev & Code 9 calls / 30d checked 2026-10-31
0.001 USDC per call per call

Webhook signature verify x402 REST usage

Verify a webhook's HMAC signature against the correct per-provider scheme: GitHub (X-Hub-Signature-256, sha256=hex), Stripe (Stripe-Signature t/v1 over "<t>.<body>" with replay tolerance), Shopify (X-Shopify-Hmac-Sha256,...

agent402.tools Comms & Messaging 9 calls / 30d checked 2026-10-31
0.001 USDC per call per call

HMAC signature x402 REST usage

HMAC signature. Compute an HMAC of a message with a key using SHA-256 (default), SHA-1, SHA-384 or SHA-512, in hex and base64. Use to check webhook signatures. The key is used only for this call and is not stored.

agent-data-tools.revmesh2074.workers.dev Data & Finance 4 calls / 30d checked 2026-10-31
0.002 USDC per call per call

hash-hmac x402 REST usage

Compute an HMAC (MD5, SHA-1, SHA-256 or SHA-512) of text with a given key.

x402.agentindex.world Dev & Code 2 calls / 30d checked 2026-11-01
0.002 USDC per call per call

x402-text-hash x402 REST

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...

x402-catalog-history.ai-business-surface.workers.dev Crypto & Payments checked 2026-10-29
0.001 USDC per call per call

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