{"id":"2708bc0c-c60b-4026-8cde-60f3c9dccc01","shortId":"eSC8pD","kind":"x402","title":"Purchase CodeNut platform credits (10 USDC for 100x value) via x402 payment on Base network.","tagline":"Purchase CodeNut platform credits (10 USDC for 100x value) via x402 payment on Base network.","description":"This x402 endpoint lets AI agents purchase CodeNut credits by paying 10 USDC on the Base network. The endpoint at `https://pay.codenut.ai/credit-drop/lg` accepts an exact payment of 10,000,000 units (10 USDC, 6 decimals) and returns a JSON object containing the credited amount. The listing explicitly states this is \"NOT A TOKEN\" — it is a credit purchase for the CodeNut platform, marketed as offering 100x worth of credits relative to the payment.\n\nThe payment uses the x402 protocol (version 1) with the \"exact\" scheme on Base mainnet. The asset is USDC at contract address `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`, and the payment is directed to wallet `0x8d8Fa42584a727488eeb0E29405AD794a105bb9b`. The facilitator infrastructure is hosted at `https://facilitator.codenut.ai/`. The endpoint responds to HTTP GET requests and returns JSON with an `amount` field.\n\nDocumentation for the broader CodeNut x402 facilitator is referenced at `https://docs.codenut.ai/guides/x402-facilitator`, though the `/docs`, `/api`, `/pricing`, and `/README` paths on the payment domain all return 404. The exact nature of what \"CodeNut credits\" unlock (e.g., which services, rate limits, expiration) is not documented in the available material, which limits the ability to fully evaluate this offering.","tags":[],"capabilities":["x402-payment","usdc-base-network","credit-purchase","json-response","exact-scheme"],"categories":["payments","credits"],"synonyms":["CodeNut credits","x402 credit drop","USDC credit purchase","Base network payment","CodeNut x402","agent credits","platform credits"],"warnings":["No documentation available — /docs, /api, /pricing, /README all return 404","The '100x worth of credits' claim is unsubstantiated in available material","What CodeNut credits unlock (services, limits, expiration) is entirely undocumented","The example response amount value is inferred; no actual successful response was observed","No agents.txt or robots.txt present"],"endpointUrl":"https://pay.codenut.ai/credit-drop/lg","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x8d8Fa42584a727488eeb0E29405AD794a105bb9b","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://pay.codenut.ai/credit-drop/lg","description":"CodeNut Credit x402 Offer - get 100x worth of CodeNut credits with $10 and build! - NOT A TOKEN","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true},"output":{"type":"json","schema":{"type":"object","required":["amount"],"properties":{"amount":{"type":"number"}}}}},"maxAmountRequired":"10000000","maxTimeoutSeconds":60}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge provides clear payment parameters, but there is no OpenAPI spec, no accessible documentation (all doc paths return 404), and no explanation of what CodeNut credits actually provide or how the 100x value claim is substantiated. The response schema only specifies an amount field with no further detail. Significant inference is 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'/credit-drop/lg':53 '/docs':172 '/guides/x402-facilitator':169 '/pricing':174 '/readme':176 '000':60,61 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':127 '0x8d8fa42584a727488eeb0e29405ad794a105bb9b':135 '1':112 '10':5,20,42,59,63 '100x':8,23,97 '404':184 '6':65 'Base network payment' 'CodeNut credits' 'CodeNut x402' 'USDC credit purchase' 'abil':209 'accept':54 'address':126 'agent':36 'agent credits' 'ai':35 'amount':75,155 'asset':121 'avail':204 'base':14,29,46,118 'broader':160 'codenut':2,17,38,92,161,190 'contain':72 'contract':125 'credit':4,19,39,74,88,100,191 'credit-purchase' 'decim':66 'direct':132 'docs.codenut.ai':168 'docs.codenut.ai/guides/x402-facilitator':167 'document':157,201 'domain':181 'e.g':193 'endpoint':33,49,144 'evalu':212 'exact':56,115,186 'exact-scheme' 'expir':198 'explicit':78 'facilit':137,163 'facilitator.codenut.ai':142 'field':156 'fulli':211 'get':148 'host':140 'http':147 'infrastructur':138 'json':70,152 'json-response' 'let':34 'limit':197,207 'list':77 'mainnet':119 'market':94 'materi':205 'natur':187 'network':15,30,47 'object':71 'offer':96,214 'path':177 'pay':41 'pay.codenut.ai':52 'pay.codenut.ai/credit-drop/lg':51 'payment':12,27,57,104,106,130,180 'platform':3,18,93 'platform credits' 'protocol':110 'purchas':1,16,37,89 'rate':196 'referenc':165 'relat':101 'request':149 'respond':145 'return':68,151,183 'scheme':116 'servic':195 'state':79 'though':170 'token':84 'unit':62 'unlock':192 'usdc':6,21,43,64,123 'usdc-base-network' 'use':107 'valu':9,24 'version':111 'via':10,25 'wallet':134 'worth':98 'x402':11,26,32,109,162 'x402 credit drop' 'x402-payment'","prices":[{"id":"836a6a57-6ab3-414f-8a93-f81063350e41","listingId":"2708bc0c-c60b-4026-8cde-60f3c9dccc01","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"10000000","chain":"base","payTo":"0x8d8Fa42584a727488eeb0E29405AD794a105bb9b","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x8d8Fa42584a727488eeb0E29405AD794a105bb9b","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://pay.codenut.ai/credit-drop/lg","description":"CodeNut Credit x402 Offer - get 100x worth of CodeNut credits with $10 and build! - NOT A TOKEN","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true},"output":{"type":"json","schema":{"type":"object","required":["amount"],"properties":{"amount":{"type":"number"}}}}},"maxAmountRequired":"10000000","maxTimeoutSeconds":60}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":60},"createdAt":"2026-04-18T06:06:24.842Z"}],"sources":[{"listingId":"2708bc0c-c60b-4026-8cde-60f3c9dccc01","source":"x402_bazaar","sourceId":"https://pay.codenut.ai/credit-drop/lg","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T06:06:24.842Z","lastSeenAt":"2026-04-25T07:00:35.963Z"}],"details":{"listingId":"2708bc0c-c60b-4026-8cde-60f3c9dccc01","quickStartSnippet":"import { createPaymentHeader } from 'x402/client';\n\n// After setting up walletClient on Base:\nconst paymentHeader = await createPaymentHeader(walletClient, 1, {\n  scheme: 'exact',\n  network: 'base',\n  maxAmountRequired: '10000000',\n  resource: 'https://pay.codenut.ai/credit-drop/lg',\n  payTo: '0x8d8Fa42584a727488eeb0E29405AD794a105bb9b',\n  asset: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913',\n  maxTimeoutSeconds: 60,\n  extra: { name: 'USD Coin', version: '2' }\n});\n\nconst res = await fetch('https://pay.codenut.ai/credit-drop/lg', {\n  headers: { 'X-PAYMENT': paymentHeader }\n});\nconst data = await res.json(); // { amount: ... }","exampleRequest":null,"exampleResponse":{"amount":1000},"schema":{"input":{"type":"http","method":"GET","discoverable":true},"output":{"type":"json","schema":{"type":"object","required":["amount"],"properties":{"amount":{"type":"number"}}}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint requires 10,000,000 units (10 USDC) exact payment on Base network","source_url":"https://pay.codenut.ai/credit-drop/lg"},{"claim":"Payment asset is USDC at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://pay.codenut.ai/credit-drop/lg"},{"claim":"Facilitator URL is https://facilitator.codenut.ai/","source_url":"https://pay.codenut.ai"},{"claim":"Documentation referenced at https://docs.codenut.ai/guides/x402-facilitator","source_url":"https://pay.codenut.ai"},{"claim":"Supports Base and xLayer networks","source_url":"https://pay.codenut.ai"}],"useCases":["AI agents purchasing CodeNut platform credits programmatically","Automated credit top-up for CodeNut services via x402 protocol","Developers integrating CodeNut credit purchases into agent workflows"],"bestFor":["AI agents needing CodeNut platform credits","Developers building on the CodeNut ecosystem","Automated x402 payment flows on Base network"],"notFor":["Users looking for token or cryptocurrency purchases (explicitly not a token)","Anyone needing detailed documentation on what credits unlock before purchasing","Small micro-payment use cases (fixed 10 USDC cost)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:48.67Z"},"updatedAt":"2026-04-25T07:00:35.963Z"}}