{"uid":"cap_t-S5pN6il3urD0g_-ukhr","slug":"p0-agent-economy-index-stablecoin-services-ranking-334583b7","name":"P0 Agent Economy Index – Stablecoin Services Ranking","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-stablecoin?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":"stablecoin"}},"route":"/in-stablecoin","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":"$0.04/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YvmjaITClHxMw1ey3RvhP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.04","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-listed services tagged as stablecoin, ranked by 30-day payer count, with scoring metadata and a snapshot receipt.","exampleAgentPrompt":"Show me the top 25 stablecoin-tagged services in the x402 bazaar ranked by number of paying wallets over the last 30 days, and include the snapshot hash so I can verify the data freshness.","exampleUseCases":[{"title":"Discover top stablecoin APIs for agent","prompt":"I'm building an agent that needs to pay for stablecoin data services — can you pull the x402 bazaar leaderboard for stablecoin-tagged services ranked by unique payers in the last 30 days so I know which ones are most actively used?"},{"title":"Audit x402 stablecoin market activity","prompt":"I want to audit which stablecoin payment APIs are dominating the agent economy right now — give me the ranked list from the x402 index with payer counts, call volumes, and prices so I can assess market concentration."},{"title":"Select cheapest popular stablecoin service","prompt":"Can you fetch the ranked stablecoin services from the x402 index and filter for ones priced under $0.05 per call with at least 20 unique payers in the last 30 days, so I can pick the most cost-effective option?"}],"resultDescription":"A JSON object containing a ranked list of up to 25 x402 services tagged 'stablecoin', each with its name, Base network identifier, 30-day call count, price in USD, resource URL, and 30-day unique payer count; plus metadata including total matched service count, the query parameters used, snapshot generation timestamp, and the scoring receipt (snapshot hash and revision) for auditability.","failureModes":["No services match the stablecoin tag — returns empty services array with matched:0","Upstream x402 index snapshot is stale — generatedAt timestamp may be hours old","Payment of $0.04 USDC not received — returns HTTP 402 before delivering data","Cloudflare Worker cold start or timeout — returns 5xx with no body","Malformed response if the index snapshot hash is unavailable — receipt fields may be null"],"whenToPreferThis":"Choose this endpoint when you specifically need ranked discovery of x402 stablecoin-tagged services by real payer activity rather than simple service listings. It is uniquely suited for agents that need to select or compare payment-capable APIs in the stablecoin segment of the machine-to-machine economy, backed by verifiable 30-day usage data and a cryptographic snapshot receipt. Prefer alternatives if you need rankings for non-stablecoin service categories, or need data from other agent economy protocols (Virtuals ACP, Olas, Masumi, etc.) — those are served by sibling /economy routes on the same host.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:46:17.576Z","isFirstParty":false,"canonicalSlug":"p0-agent-economy-index-stablecoin-services-ranking-334583b7"}