{"protocol":"capi2.free_x402_market_radar/1.0","query":"agent verification","generated_at":"2026-09-10T05:19:57.560725Z","billable":false,"external_payments_made":false,"sources":[{"name":"Agent402","status":"ok","free_discovery":true},{"name":"the402","status":"ok","free_discovery":true,"total_matches":15},{"name":"x402 facilitator","status":"ok","free_discovery":true}],"supported_networks":["base","base-sepolia","eip155:8453","eip155:84532"],"offers":[{"source":"Agent402","id":"user-agent","name":"User-agent parse","description":"Heuristic user-agent string parser: browser, version, OS, device class, and bot detection.","category":"validation","route":"POST /api/user-agent","price_usd":0.001,"relevance_score":15.56036001392076,"provider_reputation":null,"completed_jobs":null},{"source":"Agent402","id":"contract-source","name":"Verified contract source (Sourcify)","description":"Fetch the verified Solidity source files and compiler metadata for a contract address from Sourcify's open verification repository. Covers 8 EVM mainnets (ethereum, base, polygon, arbitrum, optimism, bsc, gnosis, celo). Contracts that were never verified return a structured {verified:false} miss, not an error. Feed the returned source into /api/solidity-scan for a heuristic pattern check.","category":"crypto","route":"POST /api/contract-source","price_usd":0.005,"relevance_score":15.553652559156049,"provider_reputation":null,"completed_jobs":null},{"source":"Agent402","id":"captcha-generate","name":"Captcha generate","description":"Mint a stateless captcha challenge to gate your OWN endpoint: returns a human prompt plus a salted sha256 answer hash you keep and verify later (sha256(salt + normalized answer) === answerHash) - no server state, no shared secret. Types: math (arithmetic) or alnum (character code), difficulty 1–3. Deterministic tooling for running bot protection, not defeating it.","category":"api","route":"POST /api/captcha-generate","price_usd":0.001,"relevance_score":15.553652559156049,"provider_reputation":null,"completed_jobs":null},{"source":"Agent402","id":"eas-attestations","name":"EAS attestations","description":"List EAS (Ethereum Attestation Service) attestations for an address as recipient, attester, or either, on mainnet/Base/Optimism/Arbitrum/Sepolia. Returns attestation id, attester, recipient, schema id, revocable/revoked flags, timestamp, and decoded data JSON. Use to verify Gitcoin Passport stamps, Coinbase verifications, KYC attestations, or any other on-chain claim about an address.","category":"crypto","route":"POST /api/eas-attestations","price_usd":0.002,"relevance_score":15.553652559156049,"provider_reputation":null,"completed_jobs":null},{"source":"Agent402","id":"farcaster-by-address","name":"Farcaster by Ethereum address","description":"Reverse-lookup an Ethereum address to its Farcaster account (via verified address). Returns FID, username, display name, bio, follower/following counts, and Warpcast URL, or found=false if the address has not verified on Farcaster. Use to label wallet activity with the owner's Farcaster identity when ENS is missing.","category":"crypto","route":"POST /api/farcaster-by-address","price_usd":0.002,"relevance_score":15.553652559156049,"provider_reputation":null,"completed_jobs":null},{"source":"the402","id":"svc_7e62d9d91dfc4ef4","name":"Fact-Check & Claim Verification","description":"Submit one or more claims; get back a per-claim verdict (supported / refuted / misleading / unverifiable) with reasoning and source citations, produced by a frontier LLM with web access. Built as a verification sub-call for agents that must not act on unverified information.","category":"research","route":"POST /v1/services/svc_7e62d9d91dfc4ef4/purchase","price_usd":3.15,"relevance_score":null,"provider_reputation":null,"completed_jobs":null,"webhook_healthy":true},{"source":"the402","id":"svc_4f7a2991302b4f83","name":"OpenJoel x402 Research Briefing","description":"Concise research briefings on x402 micropayments, Base USDC rails, and agent payment ops. Includes verification quotes when required.","category":"research","route":"POST /v1/services/svc_4f7a2991302b4f83/purchase","price_usd":0.0,"relevance_score":null,"provider_reputation":null,"completed_jobs":null,"webhook_healthy":false},{"source":"the402","id":"svc_8204cfc4626f4d2c","name":"AI work-market due diligence and payout verification","description":"Human-reviewed go/no-go assessment of one public AI work marketplace. Delivery verifies current task inventory, payout and escrow claims, onboarding friction, worker fit, and recent settlement evidence using public first-party sources. Includes a timestamped evidence table, concrete risks, and next actions. No account creation, KYC, private credentials, paid testing, requester contact, or financial promotion.","category":"research","route":"POST /v1/services/svc_8204cfc4626f4d2c/purchase","price_usd":10.5,"relevance_score":null,"provider_reputation":null,"completed_jobs":null,"webhook_healthy":false},{"source":"the402","id":"svc_26811428bdde407b","name":"x402 Fix Sprint","description":"72-hour implementation support for one scoped x402 launch blocker, ending with verification evidence.","category":"developer-tools","route":"POST /v1/services/svc_26811428bdde407b/purchase","price_usd":313.95,"relevance_score":null,"provider_reputation":null,"completed_jobs":null,"webhook_healthy":false},{"source":"the402","id":"svc_66c2862139cc4c53","name":"Agent Endpoint Remediation Plan","description":"Human-reviewed remediation plan for one public agent, MCP server, manifest, or paid API endpoint. Combines bounded endpoint evidence with prioritized fixes for prompt-injection exposure, x402/payment safety, HTTP controls, manifests, and reliability. Includes implementation-ready configuration or code snippets and a verification checklist. Public HTTPS targets only; no credentials, private networks, destructive testing, or vulnerability disclosure.","category":"security","route":"POST /v1/services/svc_66c2862139cc4c53/purchase","price_usd":12.6,"relevance_score":null,"provider_reputation":null,"completed_jobs":null,"webhook_healthy":true}],"market":{"matched_offers":10,"lowest_observed_positive_price_usd":0.001},"capi2_positioning":{"product":"Evidence-backed verification for autonomous purchases","price_usd":0.01,"lower_than_observed_floor_pct":null,"differentiators":["inline structured verdict from buyer-supplied evidence","free preflight before payment","portable verifiable-commerce contract","no account or API key required for the paid route"]},"recommended_sales_actions":["Target active agent-payment and escrow products that lack independent delivery evidence.","Lead with interoperability and machine-readable receipts, not generic x402 promotion.","Use observed price and reputation data as context; never claim competitor quality without evidence."],"limitations":["Discovery results are third-party public metadata and may be incomplete or stale.","Listed prices and reputation fields are not independently verified by CAPI2.","No paid endpoint was called and no settlement was created."],"cache":"miss"}