{"id":"6cbfd7be-9bff-4d19-804a-66f61a403c18","shortId":"MzFtck","kind":"x402","title":"Query EGLD wallet balance via x402 micropayment on Base network for $0.02 per request.","tagline":"Query EGLD wallet balance via x402 micropayment on Base network for $0.02 per request.","description":"This endpoint at lowpaymentfee.com provides EGLD (MultiversX/Elrond) wallet balance lookups, gated behind an x402 payment challenge. It accepts POST requests and returns JSON. Payment is settled in USDC on the Base network at a cost of $0.02 per call (20,000 base units of USDC with 6 decimals).\n\nThe provider operates a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all at the same $0.02/request price point. No API keys or rate limits are advertised; access is granted instantly upon valid x402 payment. The x402 challenge specifies version 1, scheme \"exact\", with a 300-second timeout window.\n\nDocumentation is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema beyond the x402 outputSchema stub, and no example payloads. The actual data source for EGLD balances is unknown.","tags":[],"capabilities":["wallet-balance-query","egld-multiversx","x402-micropayment","usdc-base-network","pay-per-request","no-api-key"],"categories":["crypto","finance"],"synonyms":["EGLD balance","MultiversX wallet","Elrond balance","crypto wallet balance","blockchain balance check","EGLD address lookup"],"warnings":["No documentation available — docs/pricing/API pages only show 'Connect wallet'","No OpenAPI or response schema provided; request and response formats are inferred","Data source for EGLD balances is unknown — accuracy and freshness cannot be verified","Example request JSON is speculative based on the endpoint path pattern"],"endpointUrl":"https://lowpaymentfee.com/api/v1/wallet/EGLD/balance","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/wallet/EGLD/balance","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 documentation, no OpenAPI spec, no response schema, and no examples. The actual data source and response format are entirely 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'0.02':12,26,65,105 '000':69 '1':130 '20':68 '300':135 '6':75 'EGLD address lookup' 'EGLD balance' 'Elrond balance' 'MultiversX wallet' 'accept':46 'access':117 'actual':179 'advertis':116 'ai/ml':94 'analyt':93 'api':90,110,147 'balanc':4,18,37,184 'base':9,23,59,70 'behind':40 'beyond':169 'blockchain balance check' 'broader':81 'call':67,89 'challeng':44,127 'connect':153 'cost':63 'crypto wallet balance' 'data':92,97,180 'decim':76 'detail':160 'doc':144 'document':139 'dozen':84 'egld':2,16,34,183 'egld-multiversx' 'endpoint':30 'exact':132 'exampl':176 'extrem':141 'finance/web3':96 'gate':39 'grant':119 'infer':95 'infrastructur':99 'instant':120 'json':51 'key':111 'limit':114 'lookup':38 'lowpaymentfee.com':32 'micropay':7,21 'multiversx/elrond':35 'network':10,24,60 'no-api-key' 'offer':83 'openapi':164 'oper':79 'outputschema':172 'page':148 'pay':87 'pay-per-cal':86 'pay-per-request' 'payload':177 'payment':43,52,124 'per':13,27,66,88 'platform':82 'point':108 'post':47 'price':107,145 'prompt':155 'provid':33,78 'queri':1,15 'rate':113 'render':150 'request':14,28,48 'request/response':167 'return':50 'schema':168 'scheme':131 'second':136 'settl':54 'sourc':181 'span':91 'spars':142 'spec':165 'specifi':128 'stub':173 'technic':159 'timeout':137 'unit':71 'unknown':186 'upon':121 'usdc':56,73 'usdc-base-network' 'util':100 'valid':122 'version':129 'via':5,19 'wallet':3,17,36,154 'wallet-balance-query' 'window':138 'x402':6,20,42,123,126,171 'x402-micropayment'","prices":[{"id":"c0053294-82ce-40f7-98ca-a88b0fdad373","listingId":"6cbfd7be-9bff-4d19-804a-66f61a403c18","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/wallet/EGLD/balance","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:28:06.945Z"}],"sources":[{"listingId":"6cbfd7be-9bff-4d19-804a-66f61a403c18","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/wallet/EGLD/balance","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:28:06.945Z","lastSeenAt":"2026-04-23T14:31:40.581Z"}],"details":{"listingId":"6cbfd7be-9bff-4d19-804a-66f61a403c18","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/wallet/EGLD/balance \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -d '{\"address\": \"erd1...\"}'","exampleRequest":{"address":"erd1qqqqqqqqqqqqqpgq0tajepcazernwt74820t8ef7t28s0000000000"},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge requiring 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/wallet/EGLD/balance"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/wallet/EGLD/balance"}],"useCases":["Checking EGLD wallet balances programmatically without managing API keys","Integrating MultiversX balance lookups into agent workflows with per-call payment","Building portfolio trackers that query on-demand without subscription commitments"],"bestFor":["Agents needing occasional EGLD balance checks without subscription overhead","Developers prototyping MultiversX integrations with instant access","Low-volume crypto portfolio monitoring"],"notFor":["High-frequency trading requiring sub-second latency guarantees","Users needing detailed transaction history or full MultiversX node data","Anyone without a Base-network USDC wallet for x402 payments"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:33.116Z"},"updatedAt":"2026-04-23T14:31:40.581Z"}}