{"uid":"cap_rFmTZWSBJ7xdZxpF222-_","slug":"lion-web-search-json-x402-ed25519-attested-c66d48cd","name":"LION Web Search JSON (x402, Ed25519-attested)","description":"Keyless attested web search (?q=) for agent grounding. $0.025 Base USDC — agent-search band. Ed25519-attested result set.","url":"https://lionx402.com/api/x402/web-search-json","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string","description":"Search query"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"service":"LION Verified Company","asset_id":"LION","resolved":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.025","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_L55pvo2v93yYWyaVr0qAK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a web search and returns attested JSON results, with each paid response carrying an offline-verifiable Ed25519 attestation — no API key required, pay-per-call via x402 on Base.","exampleAgentPrompt":"Search the web for 'Base Layer 2 ecosystem latest news' and give me up to 10 results — I need the response to be cryptographically attested so I can verify it offline.","exampleUseCases":null,"resultDescription":"A JSON object containing web search results (up to 20 items) plus an `attestation` block with Ed25519 signature, signer public key, payload SHA-256, and algorithm — verifiable offline against /.well-known/lion-compliance-key.json. Costs $0.01 USDC per call via x402.","failureModes":["Payment not included or insufficient USDC — HTTP 402 returned requiring x402 payment header","Missing required `q` parameter — returns validation error","Query too broad or unsupported — may return empty results array","Network timeout or upstream search failure — 5xx error","Invalid `num` value above 20 — capped or rejected"],"whenToPreferThis":"Choose this endpoint when an AI agent needs web search results that come with a portable, offline-verifiable cryptographic attestation (Ed25519), operates without any API key or account setup, and is willing to pay $0.01 USDC per call via the x402 protocol on Base. Prefer over standard search APIs when provability of results matters, or when building keyless agent workflows on Base/USDC rails.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:40:35.458Z","isFirstParty":false}