{"uid":"cap_uWfPCpp5eV2klr2892Wc8","slug":"p0-agent-economy-index-in-transaction-route-64137818","name":"P0 Agent Economy Index – /in-transaction Route","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-transaction?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":"transaction"}},"route":"/in-transaction","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_phOffQ8LTx2d3P2o6KSp7","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 a ranked list of x402 services tagged 'transaction', ordered by 30-day unique paying wallets, with call counts and price metadata for each service.","exampleAgentPrompt":"Show me the top 25 x402 services in the transaction category ranked by unique paying wallets over the last 30 days, including their call counts and prices.","exampleUseCases":[{"title":"Discovering high-demand transaction APIs","prompt":"Which x402 services tagged as transaction are seeing the most unique paying wallets right now? Give me the top 25 with their 30-day call counts and prices."},{"title":"Vetting transaction services before integration","prompt":"Before I build on top of an x402 transaction API, can you pull the current ranked index of transaction-tagged services so I can compare their real usage and pricing?"},{"title":"Monitoring agent economy transaction activity","prompt":"Pull the latest snapshot of the most active transaction services in the x402 agent economy — I want to see which ones have the most paying wallets and how many calls they're getting."}],"resultDescription":"A JSON object containing a ranked array of up to 25 x402 services tagged 'transaction', each with name, network, 30-day call count, price in USD, resource URL, and 30-day unique payer count. Also includes the total matched service count, the query parameters used, the route, who declared the data, and a ISO-8601 generation timestamp reflecting the snapshot.","failureModes":["No services indexed under the 'transaction' tag returns an empty services array with count 0","Payment of $0.008 USDC not included or rejected causes a 402 Payment Required response","Upstream index unavailable causes a 5xx error with no payload","Stale snapshot may return data from a prior 30-day window if the index has not been refreshed"],"whenToPreferThis":"Use this endpoint when you specifically need to discover or rank x402 services in the transaction category by real 30-day paying-wallet activity. It is preferable over generic API directories when you need agent-economy-native signals (actual micropayment usage, not self-reported metrics) and when you want a verifiable snapshot with a scoring revision receipt. Not suitable for querying non-x402 protocols, L402 services, or aggregated cross-protocol totals.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T18:45:41.128Z","isFirstParty":false,"canonicalSlug":"p0-agent-economy-index-in-transaction-route-64137818"}