{"id":"2aeed5c3-788f-426f-8369-0772bcd8a5cb","shortId":"XVpuD6","kind":"x402","title":"XLM liquidity data via x402 micropayment on Base network, $0.02 per request.","tagline":"XLM liquidity data via x402 micropayment on Base network, $0.02 per request.","description":"This endpoint provides DeFi liquidity data for XLM (Stellar Lumens) through the x402 payment protocol. It is part of a broader API platform at lowpaymentfee.com that offers data & analytics, AI/ML, finance/Web3, and infrastructure endpoints, all priced at $0.02 per request with no API keys, no rate limits, and no commitments required.\n\nThe endpoint is live and returns a 402 challenge requesting payment of 20,000 base units of USDC (USD Coin, 6 decimals = $0.02) on the Base network. Payment is made via the x402 exact scheme to the specified wallet address. The endpoint accepts POST requests and returns JSON. The x402 challenge specifies a maximum timeout of 300 seconds.\n\nNote that while the endpoint path suggests XLM liquidity data, no documentation or response schema is available describing the exact fields returned. The provider's landing page lists many API categories (analytics, AI, finance, crypto, utilities) but the specific /defi/XLM/liquidity endpoint is not explicitly listed among the advertised endpoints. The docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further detail.","tags":[],"capabilities":["defi-liquidity-data","xlm-stellar","x402-micropayment","usdc-payment","base-network","json-response","no-api-key","pay-per-request"],"categories":["defi","finance"],"synonyms":["XLM liquidity","Stellar Lumens liquidity","DeFi liquidity API","XLM DeFi data","crypto liquidity endpoint","Stellar liquidity pool"],"warnings":["No documentation available — docs, pricing, and API pages all show only 'Connect wallet' with no content.","The /api/v1/defi/XLM/liquidity endpoint is not listed among the provider's advertised APIs on the landing page.","No response schema or example response is available; the structure of returned data is unknown.","Provider appears to be a generic multi-category API platform; quality and reliability of DeFi data source is unverified."],"endpointUrl":"https://lowpaymentfee.com/api/v1/defi/XLM/liquidity","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/defi/XLM/liquidity","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 402 challenge, confirming it accepts payments. However, there is no OpenAPI schema, no response examples, no documentation beyond a wallet-connect prompt, and the specific /defi/XLM/liquidity path is not listed on the provider's own landing page. The actual data returned is entirely 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'0.02':10,22,62,98 '000':89 '20':88 '300':132 '402':83 '6':96 'DeFi liquidity API' 'Stellar Lumens liquidity' 'Stellar liquidity pool' 'XLM DeFi data' 'XLM liquidity' 'accept':118 'address':115 'advertis':181 'ai':166 'ai/ml':54 'among':179 'analyt':53,165 'api':46,67,163,187 'avail':150 'base':8,20,90,101 'base-network' 'broader':45 'categori':164 'challeng':84,126 'coin':95 'commit':74 'connect':193 'crypto':168 'crypto liquidity endpoint' 'data':3,15,30,52,143 'decim':97 'defi':28 'defi-liquidity-data' 'describ':151 'detail':199 'doc':184 'document':145 'endpoint':26,58,77,117,138,174,182 'exact':109,153 'explicit':177 'field':154 'financ':167 'finance/web3':55 'infrastructur':57 'json':123 'json-response' 'key':68 'land':159 'limit':71 'liquid':2,14,29,142 'list':161,178 'live':79 'lowpaymentfee.com':49 'lumen':34 'made':105 'mani':162 'maximum':129 'micropay':6,18 'network':9,21,102 'no-api-key' 'note':134 'offer':51 'page':160,188 'part':42 'path':139 'pay-per-request' 'payment':38,86,103 'per':11,23,63 'platform':47 'post':119 'price':60,185 'prompt':195 'protocol':39 'provid':27,157 'rate':70 'render':190 'request':12,24,64,85,120 'requir':75 'respons':147 'return':81,122,155 'schema':148 'scheme':110 'second':133 'specif':172 'specifi':113,127 'stellar':33 'suggest':140 'timeout':130 'unit':91 'usd':94 'usdc':93 'usdc-payment' 'util':169 'via':4,16,106 'wallet':114,194 'x402':5,17,37,108,125 'x402-micropayment' 'xlm':1,13,32,141 'xlm-stellar'","prices":[{"id":"d2b11261-1c5d-4680-937e-3b563036c101","listingId":"2aeed5c3-788f-426f-8369-0772bcd8a5cb","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/defi/XLM/liquidity","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:32:35.118Z"}],"sources":[{"listingId":"2aeed5c3-788f-426f-8369-0772bcd8a5cb","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/defi/XLM/liquidity","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:35.118Z","lastSeenAt":"2026-04-23T02:00:20.180Z"}],"details":{"listingId":"2aeed5c3-788f-426f-8369-0772bcd8a5cb","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/defi/XLM/liquidity \\\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 requesting 20,000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/defi/XLM/liquidity"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/defi/XLM/liquidity"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, pricing, and API pages render only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Querying current XLM liquidity pool data for DeFi analytics","Integrating XLM liquidity metrics into trading dashboards","Automated agents fetching on-chain liquidity snapshots for Stellar"],"bestFor":["Developers needing on-demand XLM liquidity data without API key management","AI agents that can pay per-request via x402 on Base","Low-volume or sporadic DeFi data consumers who prefer pay-as-you-go"],"notFor":["Users needing free or bulk-discounted DeFi data feeds","Applications requiring WebSocket streaming of real-time liquidity updates","Users who cannot transact USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:59.207Z"},"updatedAt":"2026-04-23T02:00:20.180Z"}}