{"id":"e70e85c0-1182-4d02-8713-2d013ec31543","shortId":"6Ky3gt","kind":"x402","title":"Purchase X420Bot tokens with a custom USDC amount via x402 payment protocol.","tagline":"Purchase X420Bot tokens with a custom USDC amount via x402 payment protocol.","description":"This x402-enabled endpoint allows agents and users to buy X420Bot tokens (contract 0x02b4C075034DCf750B89D3A4137e97c538975b07) by specifying a custom USDC amount. X420Bot is a token created via the Clanker platform on Base, and the endpoint is hosted on the x420.dev infrastructure which provides x402 payment-gated API resources.\n\nThe landing page shows minimal usage stats: 1 total transaction, 1 unique user, ~1.23s average latency, 100% success rate, and a trust score of 82%. The \"Puff\" action on the site accepts a USDC amount and executes a token purchase. There is no OpenAPI schema, no dedicated documentation page, and no robots.txt or agents.txt. The /docs, /api, /pricing, and /README paths all return placeholder pages indicating the subdomain content hasn't been fully set up.\n\nDue to the lack of formal API documentation, request/response schemas, and pricing details, significant inference is required. The endpoint likely expects an x402 payment header with USDC on Base and returns token purchase confirmation, but exact request and response formats are unknown.","tags":[],"capabilities":["x402-payment","token-purchase","usdc-payment","base-chain","clanker-token"],"categories":["crypto","defi"],"synonyms":["X420Bot token buy","x402 token purchase","USDC token swap","Clanker token purchase","puff custom","x420 bot","Base chain token buy"],"warnings":["Endpoint returned HTTP 405 during x402 probe instead of expected 402 challenge","No API documentation exists — /docs, /api, /pricing, /README all return placeholder pages","Only 1 total transaction recorded; extremely low usage","No request or response schema available; all examples are speculative","This involves cryptocurrency token purchases — regulatory and financial risk considerations apply","Trust score of 82% is self-reported with no explanation of methodology"],"endpointUrl":"https://x420bot.x420.dev/api/puff-custom","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x93109d14F6665a9c9675290D3cD5A6c07bBAfdbd","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://x420bot.x420.dev/api/puff-custom","description":"Buy custom USDC amount worth of X420Bot tokens 0x02b4C075034DCf750B89D3A4137e97c538975b07","outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"amount":{"type":"string","required":false,"description":"Optional amount in USDC (e.g., '10', '10.5', '0.5'). Defaults to 5 if not provided."}}},"output":{"message":"string","tokensReceived":"string","usdcAmountPaid":"string","sendTransactionHash":"string | null","swapTransactionHash":"string | null"}},"maxAmountRequired":"5000000","maxTimeoutSeconds":120}]},"qualityScore":"0.150","qualityRationale":"No OpenAPI schema, no documentation, no request/response examples, and most site paths return placeholder pages. The endpoint returned 405 instead of 402 during probing. Only the landing page provides minimal stats and a UI description of the 'Puff' action. This is effectively a stub 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'/docs':130 '/pricing':132 '/readme':134 '0x02b4c075034dcf750b89d3a4137e97c538975b07':39 '1':81,84 '1.23':87 '100':91 '82':99 'Base chain token buy' 'Clanker token purchase' 'USDC token swap' 'X420Bot token buy' 'accept':106 'action':102 'agent':31 'agents.txt':128 'allow':30 'amount':8,20,45,109 'api':72,156 'averag':89 'base':56,178 'base-chain' 'buy':35 'clanker':53 'clanker-token' 'confirm':183 'content':143 'contract':38 'creat':50 'custom':6,18,43 'dedic':121 'detail':162 'document':122,157 'due':150 'enabl':28 'endpoint':29,59,168 'exact':185 'execut':111 'expect':170 'formal':155 'format':189 'fulli':147 'gate':71 'hasn':144 'header':174 'host':61 'indic':140 'infer':164 'infrastructur':65 'lack':153 'land':75 'latenc':90 'like':169 'minim':78 'openapi':118 'page':76,123,139 'path':135 'payment':11,23,70,173 'payment-g':69 'placehold':138 'platform':54 'price':161 'protocol':12,24 'provid':67 'puff':101 'puff custom' 'purchas':1,13,114,182 'rate':93 'request':186 'request/response':158 'requir':166 'resourc':73 'respons':188 'return':137,180 'robots.txt':126 'schema':119,159 'score':97 'set':148 'show':77 'signific':163 'site':105 'specifi':41 'stat':80 'subdomain':142 'success':92 'token':3,15,37,49,113,181 'token-purchase' 'total':82 'transact':83 'trust':96 'uniqu':85 'unknown':191 'usag':79 'usdc':7,19,44,108,176 'usdc-payment' 'user':33,86 'via':9,21,51 'x402':10,22,27,68,172 'x402 token purchase' 'x402-enabled':26 'x402-payment' 'x420 bot' 'x420.dev':64 'x420bot':2,14,36,46","prices":[{"id":"968e4882-b902-4250-998d-246edced4f00","listingId":"e70e85c0-1182-4d02-8713-2d013ec31543","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"5000000","chain":"base","payTo":"0x93109d14F6665a9c9675290D3cD5A6c07bBAfdbd","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x93109d14F6665a9c9675290D3cD5A6c07bBAfdbd","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://x420bot.x420.dev/api/puff-custom","description":"Buy custom USDC amount worth of X420Bot tokens 0x02b4C075034DCf750B89D3A4137e97c538975b07","outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"amount":{"type":"string","required":false,"description":"Optional amount in USDC (e.g., '10', '10.5', '0.5'). Defaults to 5 if not provided."}}},"output":{"message":"string","tokensReceived":"string","usdcAmountPaid":"string","sendTransactionHash":"string | null","swapTransactionHash":"string | null"}},"maxAmountRequired":"5000000","maxTimeoutSeconds":120}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":120},"createdAt":"2026-04-18T18:30:33.228Z"}],"sources":[{"listingId":"e70e85c0-1182-4d02-8713-2d013ec31543","source":"x402_bazaar","sourceId":"https://x420bot.x420.dev/api/puff-custom","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:30:33.228Z","lastSeenAt":"2026-04-23T04:00:34.332Z"}],"details":{"listingId":"e70e85c0-1182-4d02-8713-2d013ec31543","quickStartSnippet":"# No formal API docs available. Based on the site, the endpoint expects an x402\n# payment with a USDC amount. Example conceptual call:\ncurl -X POST https://x420bot.x420.dev/api/puff-custom \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-Payment: <x402-payment-header>\" \\\n  -d '{\"amount\": \"1.00\"}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"amount":{"type":"string","required":false,"description":"Optional amount in USDC (e.g., '10', '10.5', '0.5'). Defaults to 5 if not provided."}}},"output":{"message":"string","tokensReceived":"string","usdcAmountPaid":"string","sendTransactionHash":"string | null","swapTransactionHash":"string | null"}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"X420Bot token contract is 0x02b4C075034DCf750B89D3A4137e97c538975b07, created via Clanker","source_url":"https://x420bot.x420.dev"},{"claim":"1 total transaction, 1 unique user, 1.23s avg latency, 100% success rate, 82% trust score","source_url":"https://x420bot.x420.dev"},{"claim":"Clanker listing available at clanker.world","source_url":"https://x420bot.x420.dev"},{"claim":"x402scan resource page exists for the recipient address","source_url":"https://x420bot.x420.dev"},{"claim":"/docs, /api, /pricing, /README paths return placeholder 'doesn't exist' pages","source_url":"https://x420bot.x420.dev/docs"}],"useCases":["Programmatically purchasing X420Bot tokens with USDC via an x402-gated endpoint","Agent-driven token acquisition as part of automated DeFi strategies","Integrating x402 payment flows for on-chain token purchases"],"bestFor":["Agents or bots that need to purchase Clanker-launched tokens programmatically","Developers experimenting with x402 payment protocol integrations","Automated USDC-to-token swap workflows on Base"],"notFor":["Users seeking detailed API documentation or stable production endpoints","High-volume trading requiring low latency and proven reliability","Non-crypto or non-DeFi use cases"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:31.46Z"},"updatedAt":"2026-04-23T04:00:34.332Z"}}