{"uid":"cap_TBCPyu1XmIeCT48f2y-HV","slug":"p0-agent-economy-index-multichain-x402-discovery-f1e34e44","name":"P0 Agent Economy Index – Multichain x402 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-multichain?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":"multichain"}},"route":"/in-multichain","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_yBYRqxSGPbnqvyIRDJghc","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 the top x402 services tagged 'multichain', ranked by 30-day unique paying wallets, with call volume and price metadata per service.","exampleAgentPrompt":"Show me the top 25 multichain x402 services ranked by unique paying wallets over the last 30 days, so I can see which cross-chain agent APIs are most actively used right now.","exampleUseCases":[{"title":"Discover popular cross-chain agent APIs","prompt":"What are the most-used multichain x402 services right now? Give me the top 25 ranked by how many different wallets have actually paid for them in the last 30 days."},{"title":"Evaluate x402 market for multichain demand","prompt":"I'm building an agent that needs to call cross-chain APIs — can you pull the current x402 multichain rankings so I can see which services have real traction from paying agents?"},{"title":"Monitor multichain agent economy trends","prompt":"Pull the latest snapshot of top multichain services from the x402 bazaar index so I can track which cross-chain APIs are gaining or losing paying users this month."}],"resultDescription":"A JSON object containing: the count of returned services (up to the requested limit), the query parameters used (ranking by payers, top-N, multichain tag), the route, the total matched service count, and an array of ranked service objects each with name, network chain ID, 30-day call count, USD price, resource URL, and 30-day unique payer count. Also includes a 'declaredBy' field and a 'generatedAt' ISO timestamp marking the snapshot.","failureModes":["Empty results array if no x402 services are currently tagged 'multichain'","Stale data if the 30-day rolling window has not been refreshed recently","HTTP 402 if the $0.008 USDC payment is not provided or fails","Malformed response if the upstream index worker is unavailable","Partial results if fewer than the requested limit of services match the multichain tag"],"whenToPreferThis":"Use this endpoint when you need to discover which x402 services operate across multiple blockchain networks, ranked by real paying-wallet activity. Prefer it over generic API directories when you want usage-validated, payment-weighted rankings specific to the agent economy and the x402 protocol. It is the right choice when cross-chain support is a hard requirement and you want to filter to multichain-tagged services specifically, as opposed to broader x402 rankings by other criteria.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:14:37.547Z","isFirstParty":false,"canonicalSlug":"p0-agent-economy-index-multichain-x402-discovery-f1e34e44"}