{"id":"eb6c1ff2-0ebb-41c3-bed1-cecea571a00e","shortId":"2nBPkk","kind":"x402","title":"Insurance claims API endpoint on Base, pay-per-call via x402 with USDC.","tagline":"Insurance claims API endpoint on Base, pay-per-call via x402 with USDC.","description":"This endpoint at lowpaymentfee.com provides access to an insurance claims resource (specifically claim ID 42) via the x402 payment protocol. The endpoint is live and returns a 402 challenge requiring payment in USDC on the Base network. The price per request is $0.02 (20,000 base units of USDC with 6 decimals). Payment is made via the x402 \"exact\" scheme, meaning a one-shot per-call payment with no subscription or API key required.\n\nThe provider, lowpaymentfee.com, hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all priced uniformly at $0.02 per request. This specific endpoint falls under what appears to be an insurance claims category, though the site's landing page does not list insurance endpoints among its featured API groups. The endpoint accepts POST requests and returns application/json.\n\nBecause there is no OpenAPI schema, no request/response body documentation, and no description beyond the generic \"Premium API Access\" label, the actual data returned by this endpoint is unknown. It is unclear whether claim 42 is a real resource, a demo, or a placeholder. Users should test with a small payment to understand the response format before integrating.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-call","insurance-claims","json-response","no-api-key"],"categories":["finance","insurance"],"synonyms":["insurance claim lookup","claims API","x402 insurance","pay-per-request API","USDC micropayment API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or request/response schema available — actual payload structure is unknown","The insurance claims endpoint is not listed among the provider's advertised API categories on the landing page","Claim ID 42 may be a placeholder or demo resource","No documentation pages were accessible (pricing, README, and /api pages only showed 'Connect wallet')"],"endpointUrl":"https://lowpaymentfee.com/api/v1/insurance/claims/42","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/insurance/claims/42","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no request/response documentation, no examples, and the insurance claims category is not even listed on the provider's landing page. Effectively a stub with minimal usable 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'000':73 '20':72 '402':56 '42':43,206 '6':79 'Base network API' 'USDC micropayment API' 'accept':166 'access':34,190 'actual':193 'ai/ml':121 'among':159 'analyt':120 'api':3,17,102,117,162,189 'appear':141 'application/json':171 'base':6,20,64,74 'beyond':185 'bodi':180 'broad':110 'call':10,24,96,116 'catalog':111 'categori':147 'challeng':57 'claim':2,16,38,41,146,205 'claims API' 'crypto':124 'data':119,194 'decim':80 'demo':212 'descript':184 'document':181 'endpoint':4,18,30,50,137,158,165,198 'exact':87 'fall':138 'featur':161 'financ':123 'format':227 'generic':187 'group':163 'host':108 'id':42 'infer':122 'insur':1,15,37,145,157 'insurance claim lookup' 'insurance-claims' 'integr':229 'json-response' 'key':103 'label':191 'land':152 'list':156 'live':52 'lowpaymentfee' 'lowpaymentfee.com':32,107 'made':83 'mean':89 'network':65 'no-api-key' 'one':92 'one-shot':91 'openapi':176 'page':153 'pay':8,22,114 'pay-per-cal':7,21,113 'pay-per-call' 'pay-per-request API' 'payment':47,59,81,97,222 'per':9,23,68,95,115,133 'per-cal':94 'placehold':215 'post':167 'premium':188 'price':67,129 'protocol':48 'provid':33,106 'real':209 'request':69,134,168 'request/response':179 'requir':58,104 'resourc':39,210 'respons':226 'return':54,170,195 'schema':177 'scheme':88 'servic':127 'shot':93 'site':150 'small':221 'span':118 'specif':40,136 'subscript':100 'test':218 'though':148 'unclear':203 'understand':224 'uniform':130 'unit':75 'unknown':200 'usdc':14,28,61,77 'usdc-base' 'user':216 'util':126 'via':11,25,44,84 'whether':204 'x402':12,26,46,86 'x402 insurance' 'x402-payment'","prices":[{"id":"a0ef0728-cba4-4570-a89b-bc341c919b5d","listingId":"eb6c1ff2-0ebb-41c3-bed1-cecea571a00e","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/insurance/claims/42","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:22.393Z"}],"sources":[{"listingId":"eb6c1ff2-0ebb-41c3-bed1-cecea571a00e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/insurance/claims/42","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:22.393Z","lastSeenAt":"2026-04-22T21:32:10.467Z"}],"details":{"listingId":"eb6c1ff2-0ebb-41c3-bed1-cecea571a00e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/insurance/claims/42 \\\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":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/42"},{"claim":"maxAmountRequired is 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/42"},{"claim":"Provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Landing page lists Data & Analytics, AI & ML, Finance & Web3, and Infrastructure API categories but not insurance","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving insurance claim data on-demand without subscription","Agent-driven insurance claim lookups with automatic micropayment","Integrating claim information into automated workflows"],"bestFor":["Developers needing pay-per-call insurance data without API key management","AI agents that can settle x402 payments on Base","Prototyping micropayment-gated API integrations"],"notFor":["Production insurance systems requiring documented schemas and SLAs","Bulk retrieval of many claims (no batch endpoint documented)","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:07.468Z"},"updatedAt":"2026-04-22T21:32:10.467Z"}}