{"uid":"cap_eLqJimYfDEYMQQQt25tu5","slug":"p0-agent-economy-index-invoice-tagged-service-discovery-00a2454b","name":"P0 Agent Economy Index — Invoice-Tagged Service 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-invoice?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":"invoice"}},"route":"/in-invoice","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_HWG2rdfMuvA9k_2xpbN7Y","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 as invoice-related, scored by real 30-day call counts and paying-wallet bounds, with snapshot receipt.","exampleAgentPrompt":"Show me the top 25 invoice-tagged services in the x402 agent economy right now, ranked by number of paying wallets over the last 30 days, with their prices and call volumes.","exampleUseCases":[{"title":"Discover best invoice APIs for agent","prompt":"I'm building an AI agent that needs to pay for invoice processing — which x402 services tagged as invoice have the most paying wallets right now? Show me the top 25 ranked by payers."},{"title":"Monitor invoice service market trends","prompt":"What are the most active invoice-related services in the x402 machine-to-machine economy over the last 30 days? I want to see call counts, payer counts, and prices for the top results."},{"title":"Vet invoice service before integration","prompt":"Before I integrate an invoice API into my agent, can you pull the current x402 index for invoice-tagged services so I can see which ones are legitimately used — ranked by paying wallets with their resource URLs?"}],"resultDescription":"A JSON object containing a ranked list of up to 25 x402 services tagged 'invoice', each with service name, network (e.g. eip155:8453), 30-day call count, USD price, resource URL, and 30-day payer count; plus query metadata (route, matched count, ranking parameters, snapshot generation timestamp, and declared-by field).","failureModes":["Payment not included or insufficient — endpoint requires $0.032 USDC x402 payment header","No services found matching the invoice tag — returns empty services array with matched=0","Snapshot stale or index temporarily unavailable — generatedAt timestamp may lag","Invalid query parameters return malformed or empty response","Network or worker timeout on Cloudflare Workers edge"],"whenToPreferThis":"Use this endpoint when an agent needs to discover and rank active x402 services specifically tagged as invoice, with real 30-day usage signals (calls and paying wallets) rather than static directory listings. Prefer it over generic API directories when you need live market data on which invoice-related machine-to-machine services are actually being paid for and called in the x402 ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:44:30.687Z","isFirstParty":false,"canonicalSlug":"p0-agent-economy-index-invoice-tagged-service-discovery-00a2454b"}