{"uid":"cap_KHRCh-oXRctAOO3fRUJLQ","slug":"sperax-usds-snapshot-b2b71ef5","name":"Sperax USDs Snapshot","description":"x402 v2 facilitator and paid data for Sperax USD (USDs), the yield-bearing stablecoin on Arbitrum One. Agents pay per request in USDs or USDC with no account or API key.","url":"https://x402.sperax.io/demo/usds-snapshot?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"asset":"0xD74f5255D557944cf7Dd0E45FF521520002D5748","block":"506338232","paused":false,"readAt":"2026-09-18T05:37:08.284Z","network":"eip155:42161","totalSupply":"511956.876697717155430723","rebasingShare":77.74,"rebasingSupply":"398022.305382225203556643","nonRebasingSupply":"113934.57131549195187408"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bzQJn06RB3lT4kUvixbdv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0xD74f5255D557944cf7Dd0E45FF521520002D5748","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a real-time on-chain snapshot of the Sperax USDs stablecoin on Arbitrum One, including total supply, rebasing share, paused state, and block height.","exampleAgentPrompt":"What's the current total supply and rebasing share of Sperax USDs on Arbitrum right now — is the protocol paused?","exampleUseCases":[{"title":"DeFi dashboard supply monitoring","prompt":"Pull me the latest USDs stablecoin snapshot on Arbitrum — I need the total supply, rebasing supply, and whether the protocol is currently paused for my dashboard."},{"title":"Yield strategy rebasing check","prompt":"Before I deposit into Sperax, can you check what percentage of USDs is currently rebasing and what the non-rebasing supply looks like on Arbitrum One?"},{"title":"Protocol health alert system","prompt":"Check the current Sperax USDs on-chain state and tell me immediately if the protocol is paused or if the rebasing share has dropped below 70%."}],"resultDescription":"A JSON object containing the USDs token contract address, the Arbitrum block number at snapshot time, a boolean paused flag, the ISO timestamp of the read, the network identifier (eip155:42161), total supply in USDs, rebasing share as a percentage, rebasing supply, and non-rebasing supply — all denominated in USDs with 18-decimal precision.","failureModes":["Payment not accepted — caller must send $0.001 USDC via x402 protocol or request fails with 402","Chain RPC unavailable — snapshot cannot be fetched if Arbitrum node is unreachable","Stale data — readAt timestamp may lag if underlying RPC is slow","Invalid payment token — only USDs or USDC accepted; other tokens rejected"],"whenToPreferThis":"Use this endpoint when you need a real-time, trustless on-chain snapshot of Sperax USDs supply and rebasing metrics on Arbitrum One without requiring an API key or account. Prefer it over manual RPC calls when you want a structured JSON response with supply breakdown, paused state, and block context in a single call. It is ideal for DeFi dashboards, yield strategy agents, and protocol health monitors that need current USDs state with micropayment-per-call economics.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T00:32:48.712Z","isFirstParty":false,"canonicalSlug":"sperax-usds-snapshot-b2b71ef5"}