{"uid":"cap_vdf_fBb8s6f71ycQpNJdV","slug":"p0-agent-economy-index-in-mempool-x402-services-df07fbeb","name":"P0 Agent Economy Index – In-Mempool x402 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-mempool?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":"mempool"}},"route":"/in-mempool","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":"$0.048/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.048","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.048","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FfOeC2bnHIp3izqEZmDjn","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.048","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the top x402 services currently in the mempool, ranked by paying wallets, with 30-day call counts and pricing data","exampleAgentPrompt":"Show me the top 25 x402 services currently in the mempool, ranked by unique paying wallets over the last 30 days, so I can find the most actively used agent APIs right now.","exampleUseCases":[{"title":"Discovering high-demand agent APIs","prompt":"What are the top x402 services in the mempool right now? I want to see which ones have the most paying wallets so I can pick a reliable API for my agent to call."},{"title":"Monitoring live x402 market activity","prompt":"Pull the current in-mempool x402 service rankings for me — I want to see call counts and payer counts from the last 30 days to understand which services are actually getting used."},{"title":"Benchmarking x402 service adoption","prompt":"Can you fetch the live x402 mempool index and show me the top services by unique payers? I'm trying to figure out which x402 APIs have the strongest real adoption before I integrate one."}],"resultDescription":"A JSON object containing a ranked list of up to 25 x402 services tagged 'mempool', sorted by 30-day unique paying wallets. Each service entry includes name, network (EIP-155 chain ID), 30-day call count, price in USD, resource URL, and 30-day unique payer count. The response also includes the total matched service count, the query parameters used, the route, a declaringEntity field, and a generatedAt ISO timestamp tied to a snapshot hash and scoring revision for auditability.","failureModes":["No services match the mempool tag — returns empty services array with count:0","Snapshot index temporarily unavailable — may return a 503 or stale cached result","Rate limit or payment verification failure — returns 402 or 429 with error message","Malformed query parameters — returns 400 with validation error","Worker cold-start latency spike — response may be delayed on first call"],"whenToPreferThis":"Use this endpoint when an agent needs to discover the most actively used x402 services currently in the mempool, ranked by real paying-wallet activity rather than self-reported metadata. It is preferable over general x402 listings when you specifically want mempool-stage services with verified 30-day payment signals. Choose it over the broader economy index when you only need x402 mempool data, not cross-protocol figures (Olas, Virtuals ACP, etc.).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T19:05:40.856Z","isFirstParty":false,"canonicalSlug":"p0-agent-economy-index-in-mempool-x402-services-df07fbeb"}