{"id":"0985bbfb-aa40-4cfa-b722-2ee1e40c0ab5","shortId":"wnaHcv","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 endpoint at lowpaymentfee.com provides access to insurance claims data (specifically claim ID 81) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled in USDC on the Base network at $0.02 per request (maxAmountRequired of 20,000 base units with USDC's 6 decimals = $0.02). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\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 on the Base network. This particular endpoint falls under an insurance claims category, though the site's landing page does not list insurance endpoints among its featured categories. No OpenAPI schema, detailed documentation, or example responses are available for this specific endpoint, so the exact shape of the returned claims data is unknown.\n\nThe endpoint is live and returns a proper x402 402 challenge when called without payment. The x402 version is 1, the payment scheme is \"exact,\" and the timeout is 300 seconds. The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.","tags":[],"capabilities":["x402-payment","usdc-base","insurance-claims","pay-per-request","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["insurance claim lookup","claims data API","x402 insurance","pay-per-call claims","USDC API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI schema or endpoint documentation available","Insurance claims endpoint not listed among the provider's advertised API categories — may be unlisted or experimental","No example response schema; the shape of returned data is unknown","Insurance data may be subject to regulatory requirements (HIPAA, state insurance regulations) depending on jurisdiction and data contents"],"endpointUrl":"https://lowpaymentfee.com/api/v1/insurance/claims/81","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/81","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is no OpenAPI schema, no documentation for the insurance claims endpoint specifically, no example request/response payloads, and the insurance category is not even listed on the provider's landing page. The listing is essentially a stub with confirmed liveness and 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'000':71 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':222 '1':203 '20':70 '300':213 '402':193 '6':77 '81':42 'Base network API' 'USDC API' 'accept':49 'access':34 'ai/ml':118 'among':155 'analyt':117 'api':81,114 'asset':217 'attach':90 'avail':168 'base':6,20,62,72,133,220 'broad':107 'call':113,196 'caller':88 'catalog':108 'categori':143,158 'challeng':194 'claim':2,16,37,40,142,180 'claims data API' 'contract':218 'crypto':121 'data':3,17,38,116,181 'decim':78 'detail':162 'document':163 'endpoint':4,18,30,137,154,172,185 'exact':175,208 'exampl':165 'fall':138 'featur':157 'financ':120 'header':95 'host':105 'id':41 'infer':119 'insur':1,15,36,141,153 'insurance claim lookup' 'insurance-claims' 'json':54 'json-response' 'key':82 'land':148 'limit':85 'list':152 'live':187 'lowpaymentfee' 'lowpaymentfee.com':32,104 'maxamountrequir':68 'network':63,134 'no-api-key' 'openapi':160 'page':149 'particular':136 'pay':8,22,111 'pay-per-cal':110 'pay-per-call claims' 'pay-per-request':7,21 'payment':46,55,94,100,198,205 'per':9,23,66,112,129 'post':50 'price':126 'proof':101 'proper':191 'protocol':47 'provid':33,103 'rate':84 'request':10,24,51,67,130 'requir':87 'respons':166 'return':53,179,189 'schema':161 'scheme':206 'second':214 'servic':124 'settl':57 'shape':176 'simpli':89 'site':146 'span':115 'specif':39,171 'though':144 'timeout':211 'unit':73 'unknown':183 'usdc':14,28,59,75,216 'usdc-base' 'util':123 'valid':98 'version':201 'via':11,25,43 'without':197 'x':93 'x-payment':92 'x402':12,26,45,99,192,200 'x402 insurance' 'x402-payment'","prices":[{"id":"8dec6a9b-70ec-4f40-ba2b-299d4d1a7fc6","listingId":"0985bbfb-aa40-4cfa-b722-2ee1e40c0ab5","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/81","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:23.035Z"}],"sources":[{"listingId":"0985bbfb-aa40-4cfa-b722-2ee1e40c0ab5","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/insurance/claims/81","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:23.035Z","lastSeenAt":"2026-04-22T16:32:51.944Z"}],"details":{"listingId":"0985bbfb-aa40-4cfa-b722-2ee1e40c0ab5","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/insurance/claims/81 \\\n  -H \"X-PAYMENT: <x402_payment_proof>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/81"},{"claim":"The provider advertises $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/insurance/claims/81"}],"useCases":["Retrieving insurance claim details programmatically","Integrating claims data into automated underwriting or audit workflows","Agent-driven insurance data lookups with micropayments"],"bestFor":["Developers needing on-demand insurance claims data without subscription commitments","AI agents that can settle USDC payments on Base","Prototyping insurance data integrations with minimal setup"],"notFor":["Bulk retrieval of large claim datasets (pay-per-request model would be costly at scale)","Users who need detailed API documentation or guaranteed SLAs before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:06.39Z"},"updatedAt":"2026-04-22T16:32:51.944Z"}}