{"uid":"cap_cAapzx5WaR7BgzlUkAm3C","slug":"p0-agent-economy-index-yield-services-discovery-80d168ef","name":"P0 Agent Economy Index – Yield Services Discovery","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-yield?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":"yield"}},"route":"/in-yield","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QQfvbQUaHkK5zRRcJTkmd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns top x402 services tagged 'yield', ranked by 30-day unique paying wallets, with call counts and pricing metadata for each service.","exampleAgentPrompt":"Show me the top yield-tagged x402 services ranked by unique paying wallets over the last 30 days — I want to see which ones are getting the most real agent demand.","exampleUseCases":[{"title":"Scouting high-demand yield APIs","prompt":"Which yield-related x402 services have the most unique paying agents right now? Give me the top 25 ranked by payer count so I can see where real demand is concentrated."},{"title":"Agent portfolio selection for yield exposure","prompt":"I'm building an agent that needs to access yield data services — can you pull the most-paid yield APIs from the x402 bazaar index so I know which ones are worth integrating first?"},{"title":"Monitoring agent economy yield segment","prompt":"Pull the latest snapshot of yield-tagged services from the x402 market index — I want to track how many unique payers and calls the top 25 are getting this month."}],"resultDescription":"A JSON object containing: a ranked list of up to 25 yield-tagged x402 services, each with service name, network (e.g. eip155:8453), 30-day call count, price in USD, resource URL, and 30-day unique payer count; plus query metadata (ranking field, operator, limit, tag filter), total matched service count, route identifier, declaration source, and a generation timestamp anchoring the snapshot.","failureModes":["No yield-tagged services found — returns empty services array with count 0","Stale index — generatedAt timestamp may lag real-time by the indexing window","Malformed response if upstream x402scan data is unavailable","HTTP 402 if USDC payment header is missing or insufficient (requires $0.008 USDC)","Partial data — payers30d only present for services that publish it; absent fields omitted"],"whenToPreferThis":"Use this endpoint when you need demand-ranked discovery of yield-category services in the x402 agent economy specifically, backed by real 30-day payment data and unique-wallet counts. Prefer it over generic API directories when you need on-chain-verifiable usage signals rather than self-reported popularity, and when you specifically want the yield tag segment rather than broader tags like data or compute.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:35:18.033Z","isFirstParty":false,"canonicalSlug":"p0-agent-economy-index-yield-services-discovery-80d168ef"}