{"id":"b123b7cf-3698-4071-aa0f-c0fa2eee00a6","shortId":"jTTqtp","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 57) 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/Web3, and infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. This particular endpoint falls under an insurance claims category that is not prominently listed on the landing page, so its exact response schema and the nature of the claims data it returns are unclear.\n\nThe endpoint is live: the probe received a proper HTTP 402 x402 challenge with version 1, confirming it is operational and ready to accept payments. The x402 challenge specifies a maxAmountRequired of 20000 base units of USDC (6 decimals), which equals $0.02. No OpenAPI schema, detailed documentation, or example responses were found in the crawl.","tags":[],"capabilities":["x402-payment","usdc-base","insurance-claims-data","per-request-micropayment","json-response","no-api-key"],"categories":["finance","data"],"synonyms":["insurance claims API","claims data endpoint","pay-per-call insurance","x402 insurance","USDC micropayment API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available for this endpoint.","The /api/v1/insurance/claims/ path is not listed among the provider's advertised APIs on the landing page — it may be experimental or undocumented.","No example response data is available; the structure of the returned claims data is unknown.","The provider's /api, /pricing, and /README pages all returned only a 'Connect wallet' prompt with no useful content."],"endpointUrl":"https://lowpaymentfee.com/api/v1/insurance/claims/57","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/57","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 resource, no example request/response, and the endpoint path is not listed on the provider's landing page. Effectively a stub listing with confirmed 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'0x8335':72 '1':167 '20000':184 '2913':73 '402':162 '57':43 '6':189 'Base network API' 'USDC micropayment API' 'accept':57,175 'ai/ml':96 'analyt':95 'api':92,110 'base':6,20,53,75,185 'behind':44 'broad':85 'call':91 'catalog':86 'categori':126 'chain':68 'challeng':164,179 'claim':2,16,38,41,125,146 'claims data endpoint' 'commit':117 'confirm':168 'contract':71 'crawl':206 'data':3,17,39,94,147 'decim':190 'detail':197 'document':198 'enabl':32 'endpoint':4,18,33,56,120,153 'equal':192 'exact':138 'exampl':200 'fall':121 'finance/web3':98 'found':203 'host':83 'http':161 'id':42 'infer':97 'infrastructur':100 'insur':1,15,37,124 'insurance claims API' 'insurance-claims-data' 'json':62 'json-response' 'key':111 'land':134 'limit':114 'list':131 'live':155 'lowpaymentfee' 'lowpaymentfee.com':35,82 'maxamountrequir':182 'micropay':50 'natur':143 'network':54 'no-api-key' 'on-chain':66 'openapi':195 'oper':171 'page':135 'particular':119 'pay':8,22,89 'pay-per-cal':88 'pay-per-call insurance' 'pay-per-request':7,21 'payment':63,176 'per':9,23,47,78,90,106 'per-request':46 'per-request-micropayment' 'post':58 'price':103 'probe':157 'promin':130 'proper':160 'provid':81 'rate':113 'readi':173 'receiv':158 'request':10,24,48,59,79,107 'respons':139,201 'return':61,149 'schema':140,196 'serv':36 'settl':65 'span':93 'specif':40 'specifi':180 'unclear':151 'unit':186 'usdc':14,28,49,70,188 'usdc-base' 'use':69 'util':101 'version':166 'via':11,25 'x402':12,26,31,163,178 'x402 insurance' 'x402-enabled':30 'x402-payment'","prices":[{"id":"154e311c-aae0-48f7-a22a-08b1b5a2a7b5","listingId":"b123b7cf-3698-4071-aa0f-c0fa2eee00a6","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/57","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:22.561Z"}],"sources":[{"listingId":"b123b7cf-3698-4071-aa0f-c0fa2eee00a6","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/insurance/claims/57","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:22.561Z","lastSeenAt":"2026-04-22T19:32:58.595Z"}],"details":{"listingId":"b123b7cf-3698-4071-aa0f-c0fa2eee00a6","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/insurance/claims/57 \\\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 HTTP 402 with x402 version 1 challenge, confirming it is live.","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/57"},{"claim":"maxAmountRequired is 20000 base units of USDC (6 decimals) = $0.02 per request.","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/57"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/57"},{"claim":"Provider advertises $0.02/request, no API keys, no rate limits, instant access on Base network.","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving insurance claim details programmatically with per-call payment","Integrating on-chain micropayments for insurance data access into agent workflows","Accessing claim-level data without subscription or API key management"],"bestFor":["Agents or services needing one-off insurance claim lookups","Developers prototyping x402 payment flows against a live endpoint","Use cases where no-signup, pay-per-request access is preferred"],"notFor":["Bulk insurance data retrieval (no documented batch endpoint)","Users who need detailed documentation or guaranteed SLAs before integration","Non-crypto payment workflows (only USDC on Base is accepted)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:07.187Z"},"updatedAt":"2026-04-22T19:32:58.595Z"}}