{"status":"ok","rate_limit":{"free_calls_remaining_today":342,"paid_via_x402":false},"apiId":"dev-hmac-generator","name":"HMAC-SHA256 / HMAC-SHA512 Webhook Signature Generator","category":"Developer, Tech & Web","subcategory":"4. Cryptography, Hashing & Security","cached":true,"stale_fallback":false,"data_freshness":"cached","cache_age_seconds":4583,"latency_ms":1,"provenance_and_trust":{"verified_at_utc":"2026-10-27T18:23:03.379Z","primary_authority":"100% Platform Node:Crypto HMAC Engine","source_url":"https://localhost:3000/api/v1/call/dev-hmac-generator","fallback_source_url":null,"license_type":"100% Platform Owned Compute","terms_url":"https://localhost:3000/llms.txt","commercial_use_allowed":true,"trust_tier":"public_third_party_api"},"data":{"message":"order_id=12345","hmac_sha256_hex":"face41072e605d67a5c986a74749b2e12ad3fc2fde194544fb3e310ffeb6f6cd","hmac_sha256_base64":"+s5BBy5gXWelyYanR0my4SrT/C/eGUVE+z4xD/629s0=","hmac_sha512_hex":"fb7d7a71ae3278dc6dbfc93587b3f5508e93d0bbdd7613ef21518a75d6982e049811bad96f18d9021ac50d56ac0dc2eea37cbf3c11f4b5373bfebb919c9310fa"},"_agent_hint":"Agent Data Hub: ask anything via GET /api/v1/ask?q=..., whole tasks via /api/v1/bundles, up to 10 calls via POST /api/v1/batch. Add compact=1 or fields=a,b to save tokens. Docs: /llms.txt"}