{"id":"f30f91bf-071b-4e6f-81e2-acc9311b0015","shortId":"2cGK7P","kind":"x402","title":"Crypto token data for XLM via x402 micropayment on Base — $0.02 per request.","tagline":"Crypto token data for XLM via x402 micropayment on Base — $0.02 per request.","description":"This endpoint at lowpaymentfee.com provides token data for XLM (Stellar Lumens) as part of a broader suite of pay-per-call APIs accessible via the x402 protocol. Each request costs $0.02 (20,000 base units of USDC on the Base network, with 6 decimals). No API keys, rate limits, or subscriptions are required — callers simply attach an x402 payment header to each request.\n\nThe provider offers a wide catalog of endpoints spanning data analytics, AI/ML inference, finance/Web3 market data, and utility services, all at the same $0.02 per-call price point. The specific `/api/v1/tokens/XLM` endpoint sits within the finance/crypto category and likely returns token-level data such as price, market cap, or related metadata for XLM. However, the exact response schema is not documented, and the crawled docs pages returned only a \"Connect wallet\" prompt with no further technical detail.\n\nPayment settles in USDC (contract 0x8335…2913) on the Base L2 network to the provider's address. The x402 challenge specifies a 300-second payment timeout. The endpoint accepts POST requests and is discoverable. Because documentation is minimal and no response examples or OpenAPI spec are available, callers should expect to experiment with the request body and inspect responses to understand the full data model.","tags":[],"capabilities":["x402-micropayment","crypto-token-data","xlm-stellar","base-network-usdc","pay-per-request","no-api-key","post-endpoint"],"categories":["finance","crypto"],"synonyms":["XLM price API","Stellar Lumens data","crypto token info","XLM market data","x402 crypto API","micropayment token API","Stellar API"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","All docs, pricing, and README pages returned only 'Connect wallet' with no technical content","Exact request body format is undocumented; callers must experiment","The endpoint is labeled generically as 'Premium API Access' with no XLM-specific description from the provider"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/XLM","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/tokens/XLM","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no documented request/response schema, and the docs/pricing/README pages all returned only a wallet-connect prompt with no usable content. The actual data returned for XLM is 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'0.02':11,24,58,114 '000':60 '0x8335':175 '20':59 '2913':176 '300':192 '6':70 'Stellar API' 'Stellar Lumens data' 'XLM market data' 'XLM price API' 'accept':198 'access':50 'address':186 'ai/ml':102 'analyt':101 'api':49,73 'attach':83 'avail':216 'base':10,23,61,67,179 'base-network-usdc' 'bodi':225 'broader':42 'call':48,117 'caller':81,217 'cap':140 'catalog':96 'categori':128 'challeng':189 'connect':162 'contract':174 'cost':57 'crawl':156 'crypto':1,14 'crypto token info' 'crypto-token-data' 'data':3,16,33,100,106,135,233 'decim':71 'detail':169 'discover':203 'doc':157 'document':153,205 'endpoint':28,98,123,197 'exact':148 'exampl':211 'expect':219 'experi':221 'finance/crypto':127 'finance/web3':104 'full':232 'header':87 'howev':146 'infer':103 'inspect':227 'key':74 'l2':180 'level':134 'like':130 'limit':76 'lowpaymentfee.com':30 'lumen':37 'market':105,139 'metadata':143 'micropay':8,21 'micropayment token API' 'minim':207 'model':234 'network':68,181 'no-api-key' 'offer':93 'openapi':213 'page':158 'part':39 'pay':46 'pay-per-cal':45 'pay-per-request' 'payment':86,170,194 'per':12,25,47,116 'per-cal':115 'point':119 'post':199 'post-endpoint' 'price':118,138 'prompt':164 'protocol':54 'provid':31,92,184 'rate':75 'relat':142 'request':13,26,56,90,200,224 'requir':80 'respons':149,210,228 'return':131,159 'schema':150 'second':193 'servic':109 'settl':171 'simpli':82 'sit':124 'span':99 'spec':214 'specif':121 'specifi':190 'stellar':36 'subscript':78 'suit':43 'technic':168 'timeout':195 'token':2,15,32,133 'token-level':132 'understand':230 'unit':62 'usdc':64,173 'util':108 'via':6,19,51 'wallet':163 'wide':95 'within':125 'x402':7,20,53,85,188 'x402 crypto API' 'x402-micropayment' 'xlm':5,18,35,145 'xlm-stellar'","prices":[{"id":"eabd89be-f387-44ae-9a3d-bee547eecf57","listingId":"f30f91bf-071b-4e6f-81e2-acc9311b0015","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/tokens/XLM","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:57:13.459Z"}],"sources":[{"listingId":"f30f91bf-071b-4e6f-81e2-acc9311b0015","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/XLM","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:57:13.459Z","lastSeenAt":"2026-04-23T21:32:34.562Z"}],"details":{"listingId":"f30f91bf-071b-4e6f-81e2-acc9311b0015","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/XLM \\\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 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/XLM"},{"claim":"All APIs on the platform cost $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/XLM"}],"useCases":["Fetching current XLM token data (price, metadata) for trading bots or dashboards","Integrating Stellar Lumens market information into a portfolio tracker","Agent-driven crypto research workflows that pay per query with no subscription"],"bestFor":["Developers wanting keyless, pay-per-call access to XLM token data","AI agents that can settle x402 micropayments on Base","Projects needing low-friction crypto data without rate limits or sign-up"],"notFor":["High-volume bulk data ingestion where per-call costs add up quickly","Users who need detailed historical OHLCV or order-book data (not evidenced here)","Anyone unable to settle USDC payments on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:47.418Z"},"updatedAt":"2026-04-23T21:32:34.562Z"}}