{"uid":"cap_Grb8MeSSF0882YFGcs8Ik","slug":"claw402-x402-ai500-list-endpoint-5d984496","name":"claw402 x402 AI500 List Endpoint","description":"Backed by vergex.trade. Pay for any API with USDC. No API keys. No registration. Just a wallet.","url":"https://claw402.ai/api/v1/nofx/ai500/list","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"limit":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"code":0,"data":[]}},"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"limit":"10"}}},"response":{"data":{"coins":[{"pair":"BEATUSDT","score":84.825,"max_price":9.9322,"max_score":89.608,"last_score":81.076,"start_time":1780722000,"start_price":1.8104,"current_price":7.9285,"increase_percent":448.6190897039329},{"pair":"VELVETUSDT","score":79.886,"max_price":1.84179,"max_score":84.949,"last_score":81.613,"start_time":1780732800,"start_price":0.16138,"current_price":1.49426,"increase_percent":1041.275250960466},{"pair":"XPLUSDT","score":70.60056729988999,"max_price":0.08662,"max_score":75.47826335004014,"last_score":68.9087624351,"start_time":1780629600,"start_price":0.0795,"current_price":0.08687,"increase_percent":8.955974842767297},{"pair":"XLMUSDT","score":65.66218049741988,"max_price":0.19764,"max_score":66.00214328005987,"last_score":63.899709948729885,"start_time":1781050500,"start_price":0.19226,"current_price":0.19368,"increase_percent":2.7982939769062853},{"pair":"TRXUSDT","score":65.27058184622008,"max_price":0.31624,"max_score":65.27058184622008,"last_score":55.60168427035009,"start_time":1781203200,"start_price":0.31342,"current_price":0.3149,"increase_percent":0.8997511326654473}],"count":5},"success":true}},"exampleRequest":{"limit":"10"},"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SYw_Pff8s7yDgT3yRtEem","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Lists available AI500 entries or items via a paginated GET request, payable per-call with USDC using the x402 payment protocol.","exampleAgentPrompt":"Can you fetch the list of AI500 entries from claw402's nofx endpoint — limit it to 10 results — and pay for the call using my USDC wallet via x402?","exampleUseCases":null,"resultDescription":"Returns a JSON object with a numeric result code (0 = success) and a data array containing the list of AI500 items. The data array may be empty if no records are available or if pagination returns nothing for the given limit.","failureModes":["Payment not included or invalid x402 USDC payment header — returns HTTP 402 Payment Required","Limit query param provided in wrong type (non-string) — may cause schema validation error","Empty data array returned if no AI500 entries exist","Service unavailable from vergex.trade backend — HTTP 500 or timeout","Malformed request (wrong method) — only GET is supported"],"whenToPreferThis":"Use this endpoint when you need to retrieve a list of AI500 items from the claw402/vergex.trade platform without signing up for an API key, and you are capable of paying $0.002 USDC per call via the x402 micropayment protocol. Prefer this over alternatives when your agent has a USDC wallet and you want permissionless, wallet-native API access to the AI500 catalog.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:44:42.083Z","isFirstParty":false}