{"id":"6899cd7f-c5de-4ba4-844c-17197191ea49","shortId":"j58PGG","kind":"x402","title":"Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC, no API keys required.","tagline":"Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC, no API keys required.","description":"This endpoint at `/api/v1/ach/68` is part of the lowpaymentfee.com platform, which offers a collection of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints use the x402 payment protocol, settling in USDC on the Base network. The pricing model is simple: $0.02 per request with no API keys, no rate limits, and no minimum commitments.\n\nThe specific endpoint `/api/v1/ach/68` is listed under the title \"Premium API Access\" but its exact functionality is unclear — the path suggests ACH (Automated Clearing House) banking-related functionality, but no documentation describes the input/output schema or what data it returns. The x402 challenge confirms the endpoint is live, accepts POST requests, and requires a maximum payment of 20,000 base units of USDC (0.02 USDC = $0.02) on the Base network. The payment is settled to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`.\n\nThe provider's landing page lists many API categories but the docs, pricing, and README pages all render only a \"Connect wallet\" prompt with no substantive documentation. Without schema details or example responses, the actual capability of this specific endpoint remains uncertain.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","ach","post-method","no-api-key"],"categories":["finance"],"synonyms":["ACH API","payment processing API","bank transfer API","lowpaymentfee","x402 USDC endpoint","automated clearing house"],"warnings":["No documentation available — docs, pricing, and README pages all show only 'Connect wallet' with no content.","The exact functionality of /api/v1/ach/68 is unknown; 'Premium API Access' is a generic title that does not describe the service.","No input or output schema is provided; callers cannot know what request body to send or what response to expect.","The provider lists many API categories on the landing page but none link to actual documentation."],"endpointUrl":"https://lowpaymentfee.com/api/v1/ach/68","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/ach/68","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what this endpoint actually does — no input schema, no output schema, no example responses. The docs/pricing/README pages are all empty beyond a wallet-connect prompt. The endpoint path and title provide only vague hints at ACH 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'/request':12,30 '0.02':11,29,86,164,166 '000':159 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':177 '20':158 'ACH API' 'accept':149 'access':111 'ach':5,23,121 'actual':212 'address':176 'ai/ml':60 'analyt':59 'api':16,34,56,91,110,185 'autom':122 'automated clearing house' 'bank':126 'bank transfer API' 'banking-rel':125 'base':8,26,79,160,169 'call':4,22 'capabl':213 'categori':186 'challeng':143 'clear':123 'collect':50 'commit':99 'confirm':144 'connect':198 'crypto':63 'data':58,138 'describ':132 'detail':207 'doc':189 'document':131,204 'endpoint':6,24,38,68,102,146,217 'exact':114 'exampl':209 'financ':62 'function':115,128 'hous':124 'infer':61 'input/output':134 'key':17,35,92 'land':181 'limit':95 'list':105,183 'live':148 'lowpaymentfee' 'lowpaymentfee.com':45 'mani':184 'maximum':155 'minimum':98 'model':83 'network':80,170 'no-api-key' 'offer':48 'page':182,193 'part':42 'path':119 'pay':2,20,53 'pay-per-cal':1,19 'pay-per-request':52 'payment':72,156,172 'payment processing API' 'per':3,21,54,87 'platform':46 'post':150 'post-method' 'premium':109 'price':82,190 'prompt':200 'protocol':73 'provid':179 'rate':94 'readm':192 'relat':127 'remain':218 'render':195 'request':55,88,151 'requir':18,36,153 'respons':210 'return':140 'schema':135,206 'servic':66 'settl':74,174 'simpl':85 'span':57 'specif':101,216 'substant':203 'suggest':120 'titl':108 'uncertain':219 'unclear':117 'unit':161 'usdc':14,32,76,163,165 'usdc-base' 'use':69 'util':65 'via':9,27 'wallet':199 'without':205 'x402':10,28,71,142 'x402 USDC endpoint' 'x402-payment'","prices":[{"id":"6218b16b-91df-4d35-bb07-98515ff904b6","listingId":"6899cd7f-c5de-4ba4-844c-17197191ea49","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/ach/68","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:42:18.024Z"}],"sources":[{"listingId":"6899cd7f-c5de-4ba4-844c-17197191ea49","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/ach/68","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:42:18.024Z","lastSeenAt":"2026-04-30T03:04:55.544Z"}],"details":{"listingId":"6899cd7f-c5de-4ba4-844c-17197191ea49","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/ach/68 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge requiring 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/ach/68"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/ach/68"}],"useCases":["Programmatic ACH-related data retrieval or transaction initiation","Agent-driven financial operations paid per call in USDC","Integrating low-cost banking utility endpoints into automated workflows"],"bestFor":["Developers wanting keyless, pay-per-call financial APIs","AI agents that can settle micropayments in USDC on Base","Prototyping with no signup or rate-limit friction"],"notFor":["Users needing detailed API documentation before integration","High-volume production workloads where $0.02/call adds up","Anyone requiring guaranteed SLAs or support contracts"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:30.713Z"},"updatedAt":"2026-04-30T03:04:55.544Z"}}