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Saylor Innovations — Arbitrum Contract Storage Slot 0 Reader
x402
Saylor Innovations — Arbitrum Contract Storage Slot 0 Reader is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-30).
Reads the value stored at storage slot 0 of a given smart contract address on the Arbitrum network
Price / call$0.002
Success—
StatusUnknown
How this service works
Contract Storage Slot (arbitrum). Arbitrum contract storage slot read: raw 32-byte value plus uint and address decodings.
Output
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.
Example use cases
Audit contract owner variable
“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.”
Inspect proxy implementation slot
“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.”
Debug unexpected contract state
“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?”
Technical details
Endpoint
GEThttps://saylorinnovations.com/api/evm/arbitrum/storage/:address/0?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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)
Tags
x402
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