{"uid":"cap_Mr4Ok8K5XBM7ckFgv3LXK","slug":"x402-trending-services-leaderboard-5e7a07e1","name":"x402 Trending Services Leaderboard","description":"558 pay-per-call data APIs for AI agents: Solana and EVM on-chain data, tokenized stocks, DeFi, Hyperliquid, economy and official statistics, FX, validation, web and developer tools. Pay in USDC via x402.","url":"https://api.vextorium.com/v1/x402-trending?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer"},"search":{"type":"string"}}},"responseSchema":{"type":"json","example":{"source":"x402 Bazaar (Coinbase CDP, public catalog)","matches":24025,"ranking":[{"networks":["eip155"],"resource":"https://www.ax1.vc/api/dashboard/q-verdict/resource","calls_30d":299133,"price_usdc":0.02,"clients_30d":4625,"description":"Send a Base token contract address, get an AI-written verdict: onchain metrics, a plain-language take, and a shareable verdict card. Entertainment, not trading advice."},{"networks":["eip155"],"resource":"https://api.onesource.io/api/chain/erc20-balance","calls_30d":860,"price_usdc":0.003,"clients_30d":852,"description":"ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC"}],"updated":"2026-10-02T20:20+00:00","with_usage_30d":23003,"total_calls_30d":790350,"services_in_bazaar":24025}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XMujoHKII9zx74-hlhQ_g","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the most-used paid x402 API services from the public Bazaar catalog, ranked by real usage (unique payers and call volume in 30 days), with price, networks, and ecosystem totals — optionally filtered by keyword.","exampleAgentPrompt":"Show me the top 10 most-used paid x402 services from the Bazaar right now — the ones with the most unique payers and calls in the last 30 days — and filter results to anything related to 'token'.","exampleUseCases":[{"title":"Scouting popular agent APIs to integrate","prompt":"What are the top 5 most-called paid x402 APIs in the Bazaar this month? I want to see which ones real agents are actually buying so I can decide what to build next."},{"title":"Finding niche paid services by topic","prompt":"Search the x402 trending leaderboard for any paid services related to 'ERC20' — I want to see how many calls and unique clients they got in the last 30 days and what they cost."},{"title":"Benchmarking x402 ecosystem activity","prompt":"Give me the overall x402 Bazaar stats — total services listed, total calls in the last 30 days, and how many services have actual usage — plus the top 20 by call volume."}],"resultDescription":"A JSON object containing a ranked list of x402 services (resource URL, description, price in USDC, supported networks, 30-day call count, 30-day unique client count), plus ecosystem-level totals (services_in_bazaar, total_calls_30d, with_usage_30d), the data source label, and a timestamp for when the data was last updated.","failureModes":["Invalid body schema returns a 4xx validation error","No results matching the search keyword returns an empty ranking array with matches:0","Service temporarily unavailable returns a 5xx error","Payment not settled (x402 protocol failure) results in no response body"],"whenToPreferThis":"Use this endpoint when you need to discover which x402-paid services are genuinely popular by real usage data rather than self-reported listings — particularly useful for agents deciding which APIs to integrate, researchers benchmarking ecosystem growth, or builders wanting to find the most in-demand paid capabilities in the x402 Bazaar. Prefer this over static catalogs or directory listings when recency and actual payment/call volume matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:48:39.213Z","isFirstParty":false,"canonicalSlug":"x402-trending-services-leaderboard-5e7a07e1"}