{"uid":"cap_id6T3dTjMxZ2hJaphUnc3","slug":"saylor-innovations-arbitrum-contract-storage-slot-0-reader-a04b46cd","name":"Saylor Innovations — Arbitrum Contract Storage Slot 0 Reader","description":"Contract Storage Slot (arbitrum). Arbitrum contract storage slot read: raw 32-byte value plus uint and address decodings.","url":"https://saylorinnovations.com/api/evm/arbitrum/storage/:address/0?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ORjE3SdsaPgScGpy0-g04","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Reads the value stored at storage slot 0 of a given smart contract address on the Arbitrum network","exampleAgentPrompt":"What value is stored at storage slot 0 of the Arbitrum smart contract at address 0x912CE59144191C1204E64559FE8253a0e49E6548?","exampleUseCases":[{"title":"Audit contract owner variable","prompt":"Can you read the raw storage at slot 0 of the Arbitrum contract 0x912CE59144191C1204E64559FE8253a0e49E6548? I want to verify what address is stored as the owner."},{"title":"Inspect proxy implementation slot","prompt":"I need to check what's stored at storage slot 0 on the Arbitrum contract 0x5979D7b546E38E414F7E9822514be443A4800529 — it might be the implementation address for a proxy contract."},{"title":"Debug unexpected contract state","prompt":"Something seems off with the Arbitrum contract at 0xFF970A61A04b1cA14834A43f5dE4533eBDDB5CC8 — can you pull the raw value at storage slot 0 so I can see what state it's currently holding?"}],"resultDescription":"Returns the raw 32-byte value stored at storage slot index 0 of the specified smart contract on the Arbitrum EVM network, reflecting the current on-chain state at query time.","failureModes":["Invalid contract address format returns an error","Address is an EOA (not a contract) — slot 0 returns zero value","Network connectivity issues with Arbitrum RPC node","Contract not yet deployed at the specified address","Rate limiting or payment failure (x402 protocol)"],"whenToPreferThis":"Choose this endpoint when you need to directly inspect raw EVM storage at slot 0 of a contract deployed specifically on Arbitrum L2, without setting up your own RPC node or web3 library. It is ideal for agents that need lightweight, pay-per-call on-chain data access without managing infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:48:34.971Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-arbitrum-contract-storage-slot-0-reader-a04b46cd"}