{"id":"25498d29-ba4d-4b57-83c7-366dc7554fcd","shortId":"qCdTqy","kind":"x402","title":"Check AXS (Axie Infinity) wallet balance via x402 micropayment on Base network.","tagline":"Check AXS (Axie Infinity) wallet balance via x402 micropayment on Base network.","description":"This endpoint at lowpaymentfee.com returns wallet balance information for AXS (Axie Infinity Shards) tokens. It is part of a broader platform offering dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all gated behind the x402 payment protocol on the Base network.\n\nThe specific endpoint `/api/v1/wallet/AXS/balance` accepts POST requests and is priced at a maximum of $0.02 per call (20,000 base units of USDC on Base, which has 6 decimals). Payment is settled on-chain via USDC (contract 0x8335…2913) to the provider's address. No API keys or rate limits are advertised; access is granted per-request upon valid x402 payment.\n\nDocumentation is extremely sparse. The provider's landing page lists available endpoints and pricing but the /docs, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no usage examples. The endpoint is confirmed live (returns a proper 402 challenge), but the actual response format and required request body fields are unknown.","tags":[],"capabilities":["wallet-balance","axs-token","crypto-balance-lookup","x402-payment","base-network","usdc-settlement","pay-per-request"],"categories":["crypto","finance"],"synonyms":["AXS balance","Axie Infinity wallet","token balance API","crypto wallet balance","AXS wallet lookup","blockchain balance check"],"warnings":["No documentation available — /docs, /pricing, /README all render only 'Connect wallet' with no content","No OpenAPI or schema definition; request body fields and response format are unknown","Example request JSON is inferred from the URL pattern and is not confirmed by any documentation","The platform lists many endpoint categories but provides no technical detail for any of them"],"endpointUrl":"https://lowpaymentfee.com/api/v1/wallet/AXS/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/AXS/balance","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is confirmed live with a valid x402 402 challenge and clear pricing ($0.02/call in USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, no examples, and all documentation pages return only a wallet-connect prompt. The actual behavior of the endpoint is entirely inferred from the URL 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'/docs':154 '/pricing':155 '/readme':157 '0.02':89 '000':93 '0x8335':113 '20':92 '2913':114 '402':192 '6':102 'AXS balance' 'AXS wallet lookup' 'Axie Infinity wallet' 'accept':79 'access':128 'actual':196 'address':119 'advertis':127 'ai/ml':58 'analyt':57 'api':53,121 'avail':148 'ax':2,14,34 'axi':3,15,35 'axs-token' 'balanc':6,18,31 'base':11,23,73,94,99 'base-network' 'behind':66 'blockchain balance check' 'bodi':202 'broader':44 'call':52,91 'chain':109 'challeng':193 'check':1,13 'confirm':187 'connect':163 'contract':112 'crypto wallet balance' 'crypto-balance-lookup' 'data':56 'decim':103 'detail':170 'document':138,179 'dozen':47 'endpoint':26,54,77,149,185 'exampl':183 'extrem':140 'field':203 'finance/web3':60 'format':198 'gate':65 'grant':130 'infer':59 'infin':4,16,36 'inform':32 'infrastructur':62 'key':122 'land':145 'limit':125 'list':147 'live':188 'lowpaymentfee.com':28 'maximum':87 'micropay':9,21 'network':12,24,74 'offer':46 'on-chain':107 'openapi':174 'page':146,158 'part':41 'pay':50 'pay-per-cal':49 'pay-per-request' 'payment':69,104,137 'per':51,90,132 'per-request':131 'platform':45 'post':80 'price':84,151 'prompt':165 'proper':191 'protocol':70 'provid':117,143 'rate':124 'render':160 'request':81,133,201 'request/response':177 'requir':200 'respons':197 'return':29,189 'schema':178 'settl':106 'shard':37 'span':55 'spars':141 'spec':175 'specif':76 'technic':169 'token':38 'token balance API' 'unit':95 'unknown':205 'upon':134 'usag':182 'usdc':97,111 'usdc-settlement' 'util':63 'valid':135 'via':7,19,110 'wallet':5,17,30,164 'wallet-balance' 'x402':8,20,68,136 'x402-payment'","prices":[{"id":"c5938052-e888-4634-af8c-fc830c5e6a8a","listingId":"25498d29-ba4d-4b57-83c7-366dc7554fcd","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/AXS/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":"2026-04-18T19:28:13.051Z"}],"sources":[{"listingId":"25498d29-ba4d-4b57-83c7-366dc7554fcd","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/wallet/AXS/balance","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:28:13.051Z","lastSeenAt":"2026-04-23T14:31:41.406Z"}],"details":{"listingId":"25498d29-ba4d-4b57-83c7-366dc7554fcd","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/wallet/AXS/balance \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -d '{\"address\": \"0xYourWalletAddress\"}'","exampleRequest":{"address":"0x1234567890abcdef1234567890abcdef12345678"},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns a valid x402 402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/wallet/AXS/balance"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, 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/wallet/AXS/balance"}],"useCases":["Querying AXS token balance for a given wallet address","Portfolio tracking tools that need on-demand balance lookups","Automated trading bots checking AXS holdings before executing trades"],"bestFor":["Agents needing quick, keyless AXS balance checks","Developers who prefer pay-per-call over subscription API plans","On-chain payment workflows on Base network"],"notFor":["Bulk or high-frequency balance polling (no documented batch endpoint)","Users who need detailed documentation or SLA guarantees","Querying non-AXS token balances (other endpoints may exist but this one is AXS-specific)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:32.904Z"},"updatedAt":"2026-04-23T14:31:41.406Z"}}