{"id":"32894f2e-8438-403d-a23c-71e2f0655dba","shortId":"QZbUZS","kind":"x402","title":"Pay-per-call Stripe charges endpoint on Base via x402 — $0.02/request in USDC.","tagline":"Pay-per-call Stripe charges endpoint on Base via x402 — $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource related to Stripe charges, accessible via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which advertises a flat $0.02-per-request pricing model with no API keys, no rate limits, and instant access. Payment is settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/stripe/charges/25` accepts POST requests and returns JSON. The x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, which uses 6 decimals), equating to $0.02 per call. The platform also offers endpoints across data/analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance/Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation), all at the same $0.02 price point.\n\nDocumentation is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no detailed description of what the Stripe charges endpoint actually returns or what input it expects. The endpoint is live (returns a valid 402 challenge), but the lack of documentation makes it difficult to determine the exact functionality beyond the name \"Premium API Access\" and its association with Stripe charges.","tags":[],"capabilities":["x402-payment","usdc-base","stripe-charges","pay-per-request","no-api-key"],"categories":["finance","infrastructure"],"synonyms":["stripe charge api","payment processing api","x402 stripe","lowpaymentfee","usdc payment endpoint","base network api","pay-per-call api"],"warnings":["No documentation available — all doc/pricing/README pages render only 'Connect wallet'","No OpenAPI or input/output schema provided","Exact functionality of the Stripe charges endpoint is unknown — the name and path are the only clues","The platform lists many endpoint categories (AI, analytics, finance, etc.) all at $0.02 but none have documented schemas"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/charges/25","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/stripe/charges/25","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but documentation is essentially nonexistent — all doc pages show only 'Connect wallet'. There is no OpenAPI schema, no request/response examples, and no explanation of what the endpoint actually does beyond its name. The exact functionality of '/api/v1/stripe/charges/25' is 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'/api/v1/stripe/charges/25':94 '/docs':166 '/pricing':168 '/readme':170 '/request':13,28 '0.02':12,27,66,122,158 '000':109 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':115 '20':108 '402':215 '6':118 'accept':95 'access':39,45,81,235 'across':130 'actual':201 'advertis':63,104 'ai/ml':132 'also':127 'analysi':134 'api':38,74,234 'asset':114 'associ':238 'base':9,24,89,110 'base network api' 'beyond':230 'call':4,19,124 'challeng':103,216 'charg':6,21,44,199,241 'classif':136 'connect':176 'content':182 'convers':152 'data/analytics':131 'decim':119 'descript':194 'detail':193 'determin':226 'difficult':224 'document':161,221 'embed':137 'endpoint':7,22,32,56,93,129,200,209 'equat':120 'estim':146 'exact':228 'exampl':190 'exchang':141 'expect':207 'extrem':163 'feed':140 'finance/web3':138 'flat':65 'function':229 'gas':145 'generat':153 'geocod':150 'infrastructur':148 'input':205 'instant':80 'json':100 'key':75 'lack':219 'limit':78 'live':211 'lowpaymentfee' 'lowpaymentfee.com':34,60 'make':222 'mani':55 'maxamountrequir':106 'model':71 'name':232 'network':90 'no-api-key' 'offer':57,128 'one':53 'openapi':186 'page':171 'pay':2,17 'pay-per-cal':1,16 'pay-per-call api' 'pay-per-request' 'payment':49,82 'payment processing api' 'per':3,18,68,123 'per-request':67 'platform':61,126 'point':160 'post':96 'premium':37,233 'price':70,139,159 'prompt':178 'protocol':50 'provid':35 'quot':144 'rate':77,142 'relat':41 'render':173 'request':69,97 'request/response':189 'resourc':40 'return':99,202,212 'schema':187 'sentiment':133 'settl':84 'spars':164 'specif':92 'stripe':5,20,43,198,240 'stripe charge api' 'stripe-charges' 'summar':135 'token':143 'unit':111 'usdc':15,30,86,113 'usdc payment endpoint' 'usdc-base' 'use':117 'util':149 'valid':151,214 'via':10,25,46 'wallet':177 'x402':11,26,48,102 'x402 stripe' 'x402-payment'","prices":[{"id":"c263d1fe-13ef-4227-a5fb-94a4bbb2c23a","listingId":"32894f2e-8438-403d-a23c-71e2f0655dba","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/stripe/charges/25","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:54:21.029Z"}],"sources":[{"listingId":"32894f2e-8438-403d-a23c-71e2f0655dba","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/charges/25","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:54:21.029Z","lastSeenAt":"2026-04-25T22:32:33.148Z"}],"details":{"listingId":"32894f2e-8438-403d-a23c-71e2f0655dba","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/25 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Flat pricing of $0.02 per request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge returns maxAmountRequired of 20000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/25"},{"claim":"Platform offers endpoints across data/analytics, AI/ML, finance/Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Programmatically creating or retrieving Stripe charge information via a pay-per-call model","Integrating payment-related data into agent workflows without managing API keys","Accessing Stripe charges data settled via crypto (USDC on Base)"],"bestFor":["Developers wanting API-key-free access to Stripe charge data","Agents that can pay per-call via x402 protocol on Base","Quick prototyping without subscription commitments"],"notFor":["Production use cases requiring documented request/response schemas","Users needing detailed Stripe integration beyond what this opaque endpoint provides","Anyone requiring guaranteed SLAs or support"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:55.766Z"},"updatedAt":"2026-04-25T22:32:33.148Z"}}