{"uid":"cap_m4d6rvqHy-fTwMCYejOy7","slug":"p0-agent-economy-index-in-form-4-form-4-tagged-services-352ae7ac","name":"P0 Agent Economy Index – /in-form-4 Form-4 Tagged 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-form-4?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":"form-4"}},"route":"/in-form-4","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":"0.008","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_VQdeOAUXhM6bZt_IbxGAT","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 'form-4', scored by real 30-day call and payer activity, with a snapshot receipt.","exampleAgentPrompt":"Show me the top 25 x402 services tagged 'form-4', ranked by number of paying wallets over the last 30 days, using the P0 Agent Economy Index.","exampleUseCases":[{"title":"Discover top form-4 data providers","prompt":"Which x402 APIs tagged form-4 have the most paying agents right now? Give me the top 25 ranked by payers from the P0 Agent Economy Index."},{"title":"Audit form-4 service market activity","prompt":"I want to audit how active the form-4 segment of the x402 agent economy is — pull the ranked list of services with their 30-day call counts, prices, and payer counts so I can see who's dominating."},{"title":"Select a form-4 API for agent integration","prompt":"I'm building an agent that needs SEC form-4 data and want to pick the most reliable x402 service for it — can you pull the P0 index for form-4 tagged services ranked by payers so I can compare options?"}],"resultDescription":"A JSON object containing the query parameters used, total matched services, a ranked array of up to 25 services each with name, network, 30-day call count, USD price, resource URL, and 30-day payer count, plus a generatedAt timestamp and snapshot hash for auditability.","failureModes":["No services indexed for the form-4 tag returns an empty services array","Stale snapshot if the index worker has not refreshed within the window","HTTP 402 if the $0.008 USDC payment is not attached or is malformed","Worker cold-start or Cloudflare outage returns 5xx","Incomplete payer/volume data if upstream x402scan has gaps"],"whenToPreferThis":"Use this endpoint when you need a pre-scored, payer-verified ranked list of x402 services specifically tagged 'form-4' and want real 30-day activity signals rather than a raw registry dump. Prefer this over generic x402 service listings when you need to compare form-4 data providers by actual paying-agent demand, or when you need a verifiable snapshot receipt for auditing which services were live at a given revision.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:41:49.544Z","isFirstParty":false,"canonicalSlug":"p0-agent-economy-index-in-form-4-form-4-tagged-services-352ae7ac"}