{"slug":"saylorinnovations-com-api-chain-storage-dfc2be","title":"Read one 32-byte contract storage slot on 16 EVM chains, returned as hex, intege","host":"saylorinnovations.com","method":"GET","resource":"https://saylorinnovations.com/api/chain/storage","category":"other","description":"Read one 32-byte contract storage slot on 16 EVM chains, returned as hex, integer and address form, for example proxy implementation slots.","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":353,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","chain":"ethereum","slot":"0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"address":{"description":"the contract address","type":"string"},"chain":{"description":"chain name (ethereum, base, arbitrum, optimism, polygon, bsc, avalanche, gnosis, linea, scroll, mantle, blast, sonic, celo, berachain, unichain) or chain id","type":"string"},"slot":{"description":"storage slot as a decimal integer or 0x hex (for example 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc, the EIP-1967 implementation slot)","type":"string"}},"required":["chain","address","slot"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"address":{"description":"the contract that was read","type":"string"},"as_address":{"description":"the low 20 bytes as an address when the value looks like one, else null","type":["string","null"]},"chain":{"description":"the chain name that was queried","type":"string"},"chain_id":{"description":"EIP-155 chain id of that network","type":"number"},"is_zero":{"description":"true when the slot is empty","type":"boolean"},"slot":{"description":"the storage slot, normalized to hex","type":"string"},"source":{"description":"where the data was read from","type":"string"},"value_hex":{"description":"the raw 32-byte value","type":"string"},"value_uint":{"description":"the value as an unsigned integer string","type":"string"}},"required":["chain","chain_id","address","slot","value_hex","value_uint","is_zero","source"],"type":"object"},"type":{"const":"json","type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.01,"price_match":true,"latency_ms":353,"error":null}],"description_full":"Read one 32-byte contract storage slot on 16 EVM chains, returned as hex, integer and address form, for example proxy implementation slots.","last_updated":"2026-10-21T02:41:59.418Z","schemes":["exact"]}