{"uid":"cap_xJd1dH4YlqU2pFgg8Cw7O","slug":"x402-bazaar-rank-probability-services-a0ac0e09","name":"x402 Bazaar Rank – Probability 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-probability?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":"probability"}},"route":"/in-probability","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_JRPDgyL4yNU69icUhkTYH","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 'probability', sorted by real 30-day call volume and unique paying wallets, with a snapshot hash and scoring revision receipt.","exampleAgentPrompt":"What are the top probability and forecasting APIs available on the x402 marketplace right now, ranked by real 30-day usage and paying wallets?","exampleUseCases":[{"title":"Find active forecasting APIs for an agent","prompt":"I need to pick a probability or forecasting API to plug into my agent — can you show me which x402 services in the probability category have the most real usage and paying users over the last 30 days?"},{"title":"Vet x402 market before integrating","prompt":"Before I build on an x402 probability service, can you pull the current ranked list so I can see which ones have genuine call volume and aren't just empty listings?"},{"title":"Compare market demand across probability services","prompt":"Show me a ranked leaderboard of x402 services tagged with probability — I want to see the call counts, unique payers, and prices so I can compare demand across options."}],"resultDescription":"A JSON object containing a ranked array of x402 probability-tagged services, each with name, network (e.g. eip155:8453), 30-day call count, 30-day unique paying wallets, price in USD, and resource URL. Also includes query metadata (operator, limit, matched count, route), a generatedAt timestamp, the snapshot hash, and the scoring revision — so the agent can verify freshness and reproducibility of the ranking.","failureModes":["No services indexed under the probability tag — returns empty list with count:0","Snapshot index stale or temporarily unavailable — may return cached or error response","Payment of $0.008 USDC not fulfilled — 402 response blocking access","Malformed query parameters — returns 400 with query validation error","Worker cold start or Cloudflare edge outage — transient 5xx error"],"whenToPreferThis":"Use this endpoint when you need a live, usage-weighted ranking of x402 services specifically in the probability or forecasting domain, rather than a static directory or self-reported listing. It is the right choice when you want to compare services by real 30-day payment activity (not just registration), need a verifiable snapshot hash for auditability, or are building an agent that auto-selects the best probability API based on market demand. Prefer alternatives if you need a different tag category, want full-text search, or need richer service metadata beyond call/payer stats.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T00:55:44.293Z","isFirstParty":false,"canonicalSlug":"x402-bazaar-rank-probability-services-a0ac0e09"}