{"id":"891b1fb5-f49c-493b-a0c8-8e7942f7cc3d","shortId":"UbxZzP","kind":"x402","title":"Insurance claims data endpoint on Base, pay-per-request via x402 with USDC.","tagline":"Insurance claims data endpoint on Base, pay-per-request via x402 with USDC.","description":"This x402-enabled endpoint at lowpaymentfee.com serves insurance claims data (specifically claim ID 18) behind a per-request USDC micropayment on the Base network. The endpoint accepts POST requests and returns JSON. Payment is settled on-chain using USDC (contract 0x8335…2913 on Base) at $0.02 per request.\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 at $0.02 per request with no API keys, no rate limits, and no commitments. The specific endpoint listed here falls under an insurance claims path (`/api/v1/insurance/claims/18`), though it is not prominently listed on the provider's landing page among the advertised API categories. No OpenAPI schema, detailed documentation, or example responses are available for this endpoint, so the exact request body format and response structure are unknown.\n\nThe endpoint is confirmed live: it returns a valid x402 version-1 challenge with a 402 status code, advertising the payment parameters. The maximum amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 USD per call. The payment timeout is 300 seconds.","tags":[],"capabilities":["insurance-claims-data","x402-micropayment","usdc-payment","base-network","pay-per-request","json-api"],"categories":["finance","data"],"synonyms":["insurance claim lookup","claims API","insurance data endpoint","x402 insurance","micropayment API","USDC pay-per-call","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available for this endpoint","The /api/v1/insurance/claims/ path is not listed on the provider's landing page among advertised APIs","Request body format and response structure are completely unknown","No SLA, rate limit, or uptime guarantees documented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/insurance/claims/18","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/18","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 there is no OpenAPI schema, no documentation, no example requests or responses, and the insurance claims path is not listed among the provider's advertised APIs. The actual data returned is entirely 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'/api/v1/insurance/claims/18':130 '0.02':77,106,209 '000':200 '0x8335':72 '18':43 '20':199 '2913':73 '300':217 '402':187 '6':205 'USDC pay-per-call' 'accept':57 'advertis':145,190 'ai/ml':96 'among':143 'amount':196 'analyt':95 'api':92,111,146 'avail':157 'base':6,20,53,75,201 'base-network' 'behind':44 'bodi':165 'broad':85 'call':91,212 'catalog':86 'categori':147 'chain':68 'challeng':184 'claim':2,16,38,41,128 'claims API' 'code':189 'commit':118 'confirm':175 'contract':71 'crypto':99 'data':3,17,39,94 'decim':206 'detail':151 'document':152 'enabl':32 'endpoint':4,18,33,56,121,160,173 'equal':208 'exact':163 'exampl':154 'fall':124 'financ':98 'format':166 'host':83 'id':42 'infer':97 'insur':1,15,37,127 'insurance claim lookup' 'insurance data endpoint' 'insurance-claims-data' 'json':62 'json-api' 'key':112 'land':141 'limit':115 'list':122,136 'live':176 'lowpaymentfee' 'lowpaymentfee.com':35,82 'maximum':195 'micropay':50 'micropayment API' 'network':54 'on-chain':66 'openapi':149 'page':142 'paramet':193 'path':129 'pay':8,22,89 'pay-per-cal':88 'pay-per-request':7,21 'payment':63,192,214 'per':9,23,47,78,90,107,211 'per-request':46 'post':58 'price':104 'promin':135 'provid':81,139 'rate':114 'request':10,24,48,59,79,108,164 'requir':197 'respons':155,168 'return':61,178 'schema':150 'second':218 'serv':36 'servic':102 'settl':65 'span':93 'specif':40,120 'status':188 'structur':169 'though':131 'timeout':215 'unit':202 'unknown':171 'usd':210 'usdc':14,28,49,70,204 'usdc-payment' 'use':69 'util':101 'valid':180 'version':182 'via':11,25 'x402':12,26,31,181 'x402 insurance' 'x402-enabled':30 'x402-micropayment'","prices":[{"id":"868d523d-2479-43f2-aa5d-761d4c7aecec","listingId":"891b1fb5-f49c-493b-a0c8-8e7942f7cc3d","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/18","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:31.376Z"}],"sources":[{"listingId":"891b1fb5-f49c-493b-a0c8-8e7942f7cc3d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/insurance/claims/18","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:31.376Z","lastSeenAt":"2026-04-22T05:32:22.365Z"}],"details":{"listingId":"891b1fb5-f49c-493b-a0c8-8e7942f7cc3d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/insurance/claims/18 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/18"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/18"},{"claim":"All APIs on lowpaymentfee.com are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving insurance claim details programmatically","Integrating insurance claims data into automated workflows","Agent-driven insurance claim lookups with on-chain micropayments"],"bestFor":["Developers needing on-demand insurance claims data without API key management","AI agents that can settle USDC payments on Base for per-call access","Prototyping pay-per-use insurance data integrations"],"notFor":["Bulk insurance data exports (single-claim endpoint, no batch support documented)","Users without a Base-compatible USDC wallet","Production use cases requiring documented schemas and SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:12:52.448Z"},"updatedAt":"2026-04-22T05:32:22.365Z"}}