{"id":"b455eaba-4eba-4ccb-be2a-3be60d2ed966","shortId":"PU9sSw","kind":"x402","title":"Pay 1 USDC to receive 100 xTest tokens minted directly to your wallet via x402.","tagline":"Pay 1 USDC to receive 100 xTest tokens minted directly to your wallet via x402.","description":"The xQuant Stonk endpoint is an x402-enabled API hosted on the xQuant quantitative trading platform. According to its listing, it accepts a payment of 1 USDC and in return mints 100 xTest tokens directly to the caller's wallet address. The endpoint is part of the broader xQuant platform, which describes itself as a quantitative trading platform with live APIs, EMA ribbon trading signals, and related documentation.\n\nDuring probing, the endpoint returned HTTP 200 rather than the expected 402 payment-required challenge, which raises questions about whether the x402 payment flow is currently active or correctly configured. No OpenAPI schema, ai-plugin manifest, or agents.txt was found. The platform's documentation hub references an API reference, architecture docs, and developer guides, but the actual API base path (/api) returns a 404, and no detailed schema or parameter documentation was discovered in the crawl.\n\nBecause of the lack of a working 402 challenge, missing request/response schemas, and no concrete technical details beyond the high-level description, this listing should be treated as a stub with significant uncertainty about its current operational status.","tags":[],"capabilities":["x402-payment","token-minting","usdc-payment","erc20-token-distribution"],"categories":["crypto","payments"],"synonyms":["xQuant","xTest token","token purchase","USDC token swap","crypto token minting","x402 token endpoint","xQuant stonk"],"warnings":["Endpoint returned HTTP 200 instead of the expected 402 payment challenge — x402 flow may not be active","No OpenAPI schema, request/response examples, or parameter documentation found","The /api base path returns 404; only the specific /api/xQuant-stonk path was reachable","xTest tokens appear experimental/test — no information on token contract address or chain","Platform documentation references exist but actual API reference content was not crawled"],"endpointUrl":"https://x-quant-fund.vercel.app/api/xQuant-stonk","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x10875c46c5e7a45b062F8fEd17694799144D5008","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://x-quant-fund.vercel.app/api/xQuant-stonk","description":"Pay 1 USDC, receive 100 xTest tokens - automatically minted to your wallet","outputSchema":{"input":{"type":"http","method":"POST","discoverable":true},"output":{"success":{"type":"boolean"},"explorer":{"type":"string"},"timestamp":{"type":"string"},"tokensMinted":{"type":"number"},"paymentAmount":{"type":"string"},"transactionHash":{"type":"string"},"recipientAddress":{"type":"string"}}},"maxAmountRequired":"1000000","maxTimeoutSeconds":300}]},"qualityScore":"0.150","qualityRationale":"The endpoint did not return a 402 challenge during probing (returned 200 instead), no OpenAPI schema or request/response examples exist, and the /api base path returns 404. The listing description is the only source of information. This is effectively a stub with unverified 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'1':2,17,57 '100':6,21,63 '200':106 '402':111,185 '404':165 'USDC token swap' 'accept':53 'accord':48 'activ':127 'actual':158 'address':72 'agents.txt':139 'ai':135 'ai-plugin':134 'api':40,92,149,159 'architectur':151 'base':160 'beyond':195 'broader':79 'caller':69 'challeng':115,186 'concret':192 'configur':130 'correct':129 'crawl':177 'crypto token minting' 'current':126,214 'describ':83 'descript':200 'detail':168,194 'develop':154 'direct':10,25,66 'discov':174 'doc':152 'document':99,145,172 'ema':93 'enabl':39 'endpoint':34,74,103 'erc20-token-distribution' 'expect':110 'flow':124 'found':141 'guid':155 'high':198 'high-level':197 'host':41 'http':105 'hub':146 'lack':181 'level':199 'list':51,202 'live':91 'manifest':137 'mint':9,24,62 'miss':187 'openapi':132 'oper':215 'paramet':171 'part':76 'path':161 'pay':1,16 'payment':55,113,123 'payment-requir':112 'platform':47,81,89,143 'plugin':136 'probe':101 'quantit':45,87 'question':118 'rais':117 'rather':107 'receiv':5,20 'refer':147,150 'relat':98 'request/response':188 'requir':114 'return':61,104,163 'ribbon':94 'schema':133,169,189 'signal':96 'signific':210 'status':216 'stonk':33 'stub':208 'technic':193 'token':8,23,65 'token purchase' 'token-minting' 'trade':46,88,95 'treat':205 'uncertainti':211 'usdc':3,18,58 'usdc-payment' 'via':14,29 'wallet':13,28,71 'whether':120 'work':184 'x402':15,30,38,122 'x402 token endpoint' 'x402-enabled':37 'x402-payment' 'xQuant' 'xQuant stonk' 'xTest token' 'xquant':32,44,80 'xtest':7,22,64","prices":[{"id":"a4a35bac-4a03-4b1c-bc9d-dac1539ccb82","listingId":"b455eaba-4eba-4ccb-be2a-3be60d2ed966","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"1000000","chain":"base","payTo":"0x10875c46c5e7a45b062F8fEd17694799144D5008","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x10875c46c5e7a45b062F8fEd17694799144D5008","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://x-quant-fund.vercel.app/api/xQuant-stonk","description":"Pay 1 USDC, receive 100 xTest tokens - automatically minted to your wallet","outputSchema":{"input":{"type":"http","method":"POST","discoverable":true},"output":{"success":{"type":"boolean"},"explorer":{"type":"string"},"timestamp":{"type":"string"},"tokensMinted":{"type":"number"},"paymentAmount":{"type":"string"},"transactionHash":{"type":"string"},"recipientAddress":{"type":"string"}}},"maxAmountRequired":"1000000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T06:06:23.576Z"}],"sources":[{"listingId":"b455eaba-4eba-4ccb-be2a-3be60d2ed966","source":"x402_bazaar","sourceId":"https://x-quant-fund.vercel.app/api/xQuant-stonk","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T06:06:23.576Z","lastSeenAt":"2026-04-25T05:31:01.097Z"}],"details":{"listingId":"b455eaba-4eba-4ccb-be2a-3be60d2ed966","quickStartSnippet":"# The endpoint is expected to use x402 protocol.\n# A typical x402 flow would be:\ncurl -X GET https://x-quant-fund.vercel.app/api/xQuant-stonk\n# If 402 is returned, pay the USDC amount specified in the challenge header,\n# then re-request with the payment proof.","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"POST","discoverable":true},"output":{"success":{"type":"boolean"},"explorer":{"type":"string"},"timestamp":{"type":"string"},"tokensMinted":{"type":"number"},"paymentAmount":{"type":"string"},"transactionHash":{"type":"string"},"recipientAddress":{"type":"string"}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint description states: Pay 1 USDC, receive 100 xTest tokens - automatically minted to your wallet","source_url":"https://x-quant-fund.vercel.app/api/xQuant-stonk"},{"claim":"The platform claims 3 Live APIs, 99.9% Uptime, and 1.2M+ Requests/24h","source_url":"https://x-quant-fund.vercel.app"},{"claim":"Documentation hub references API Reference, Architecture, Developer Guide, User Guide, and Deployment Guide","source_url":"https://x-quant-fund.vercel.app/docs"},{"claim":"Probe showed endpoint returned HTTP 200 rather than 402","source_url":"https://x-quant-fund.vercel.app/api/xQuant-stonk"}],"useCases":["Purchasing xTest tokens programmatically via an x402 payment flow","Integrating token minting into an agent-driven crypto workflow","Testing x402 payment protocol integrations with a live endpoint"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need to acquire tokens via HTTP-native payments","Testing automated USDC-to-token swap flows"],"notFor":["Production trading or investment decisions — xTest tokens appear to be test/experimental tokens","Users needing detailed API documentation or guaranteed uptime SLAs","Anyone expecting a standard 402 challenge flow — the endpoint currently returns 200"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:51.098Z"},"updatedAt":"2026-04-25T05:31:01.097Z"}}