{"uid":"cap_hSUZHiW3dpW-uVv1jjKQJ","slug":"x402-bazaar-rank-knowledge-graph-services-f829d7dc","name":"x402 Bazaar Rank – Knowledge Graph Services","description":"An open index of the machine-to-machine (agent) economy. x402 routes: ranked discovery over the live x402 service market, every indexed service scored by real 30-day calls and paying-wallet bounds, with a receipt naming the snapshot hash and scoring revision. /economy routes, for Tempo MPP, Virtuals ACP, Olas, Masumi, ERC-8004 agent registries, Solana agent registries, Base agent contracts and MCP servers (Official MCP Registry): each protocol's published figures (agent or server counts, transactions or payment events; payers and USD volume only where the source publishes them: payers for x402 and Tempo MPP, USD volume for x402 and Virtuals ACP), each with its unit, window and source; units differ, so totals are not summed. L402 and per-service MPP listings are not covered.","url":"https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-knowledge-graph?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"count":25,"query":{"by":"payers","op":"top","limit":25,"where":{"tag":"knowledge-graph"}},"route":"/in-knowledge-graph","matched":359,"services":[{"name":"forecast api","network":"eip155:8453","calls30d":310,"priceUsd":0.01,"resource":"https://api.example.com/forecast","payers30d":42}],"declaredBy":"agent","generatedAt":"2026-09-17T12:00:00.000Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.032","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":"$0.032/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.032","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.032","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eNKLASfFSHKMhxeS4_bUj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.032","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a ranked list of x402 services tagged 'knowledge-graph', ordered by real 30-day call volume and paying-wallet counts, with a snapshot hash and scoring revision receipt.","exampleAgentPrompt":"Show me the top 25 knowledge-graph services on the x402 bazaar ranked by number of paying wallets in the last 30 days, including their call counts and prices.","exampleUseCases":[{"title":"Discover top knowledge graph APIs","prompt":"What are the most actively used knowledge graph services available on the x402 market right now? Rank them by paying wallets so I know which ones real users are actually paying for."},{"title":"Evaluate knowledge graph service popularity","prompt":"I'm building an agent that needs a knowledge graph API — can you pull the x402 bazaar rankings for knowledge-graph services and tell me which ones have the highest 30-day call volume and how much they cost?"},{"title":"Monitor knowledge graph market activity","prompt":"Give me a snapshot of the current x402 knowledge-graph service landscape — I want to see which services are trending by payer count so I can track whether this category is growing."}],"resultDescription":"A JSON object containing a ranked array of up to 25 knowledge-graph tagged services, each with name, network (EIP-155 chain ID), 30-day call count, 30-day payer count, price in USD, and resource URL. Also includes total matched count, query parameters used, route, snapshot timestamp, and declaration source for auditability.","failureModes":["No services indexed under knowledge-graph tag — returns empty services array with count 0","Snapshot stale or unavailable — may return cached or error response","Rate limiting or payment failure — 402 response if USDC payment not properly attached","Malformed query parameters — returns 400 with error detail","Worker cold-start latency spike on first call"],"whenToPreferThis":"Use this endpoint when you need to discover and rank x402-protocol services specifically tagged as knowledge-graph, with real usage signals (30-day calls and paying wallets) rather than self-reported metadata. Prefer this over generic API directories when you want market-validated popularity data anchored to on-chain payment activity, or when building an agent that needs to select a knowledge graph backend based on real-world adoption.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:48:05.281Z","isFirstParty":false,"canonicalSlug":"x402-bazaar-rank-knowledge-graph-services-f829d7dc"}