{"uid":"cap_YAsg822ACjLW9QMLLMDLT","slug":"ghost-commerce-search-verified-api-marketplace-search-abcf5fbc","name":"Ghost Commerce Search — Verified API Marketplace Search","description":"Paid per call via x402 (exact / eip155:8453 / USDC). Any x402-capable client pays automatically: agentcash, @x402/fetch, x402-fetch. Every paid operation carries x-payment-info; the same terms are served live as a 402.","url":"https://ghost-identity.ghost-agent-os.workers.dev/v1/commerce/search","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer","title":"Limit","default":10,"maximum":50,"minimum":1},"query":{"type":"string","title":"Query","default":"","maxLength":300,"description":"Free-text need, e.g. 'solana market data with recent buyers'"},"network":{"type":"string","title":"Network","default":"","maxLength":64,"description":"CAIP-2 filter, e.g. eip155:8453"},"capability":{"type":"string","title":"Capability","default":"","maxLength":120,"description":"Capability keyword(s), e.g. 'search'"},"min_payers":{"type":"integer","title":"Min Payers","default":0,"maximum":10000,"minimum":0,"description":"Only providers with at least this many independent payers in 30d"},"max_price_usd":{"type":"number","title":"Max Price Usd","default":0,"maximum":100,"minimum":0,"description":"0 means no price ceiling"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wWoB5nCO15nvDjuVNQF5_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches a registry of verified, x402-compatible API providers by free-text query, capability keyword, network, price ceiling, and minimum payer count","exampleAgentPrompt":"Search Ghost's verified API marketplace for providers that offer 'NFT metadata lookup', limited to eip155:8453, with at least 5 independent payers in the last 30 days and a max price of $0.05 per call — give me up to 10 results.","exampleUseCases":[{"title":"Discovering on-chain data APIs for agents","prompt":"Search Ghost for x402 APIs that provide Solana market data, capped at $0.02 per call, and show me up to 20 results — I only want providers with at least 3 independent payers."},{"title":"Finding search-capable APIs on Base","prompt":"I need a 'search' capability from a verified provider on eip155:8453 — can you query Ghost's marketplace and return up to 10 options with no price ceiling?"},{"title":"Vetting low-cost AI inference providers","prompt":"Find me Ghost-listed AI inference APIs priced under $0.10 per call that have at least 50 paying users in the last 30 days — return the top 5."}],"resultDescription":"Returns a ranked list of verified API provider records matching the query, each containing capability descriptions, pricing details, supported networks, and 30-day independent payer counts — enabling agents to select and then call a matching provider.","failureModes":["Payment not received or x402 handshake fails — 402 response with payment terms returned","Query string exceeds 300 characters — validation error","Limit outside 1–50 range — validation error","min_payers or max_price_usd out of allowed range — validation error","No providers match filters — empty result set returned","Network CAIP-2 identifier malformed — filter ignored or error"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover other x402-compatible, USDC-payable API providers — especially when filtering by capability keyword, blockchain network, price ceiling, or minimum verified payer count. Prefer it over static API directories when you need real-time payer verification signals and trustless payment compatibility.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:30:33.798Z","isFirstParty":false}