{"slug":"agent402-tools-api-chain-storage-03f147","title":"Read one 32-byte storage slot from a contract, the raw state under whatever the ","host":"agent402.tools","method":"GET","resource":"https://agent402.tools/api/chain/storage","category":"code","description":"Read one 32-byte storage slot from a contract, the raw state under whatever the source code calls it. Returns the word as hex plus three readings of the same bytes - unsigned integer, address (low 20 bytes) and boolean - because a slot is untyped on chain and only the caller knows which it meant. Us","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":923,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=","eip155:10","eip155:1329","eip155:137","eip155:143","eip155:42161","eip155:42220","eip155:43114","eip155:4663","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","stellar:pubnet"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","slot":"0x0"},"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":"0x contract address","type":"string"},"block":{"description":"latest (default), pending, earliest, safe, finalized, or a block number","type":"string"},"network":{"description":"ethereum | base | polygon | arbitrum | optimism (default base)","type":"string"},"slot":{"description":"Slot index: a decimal number or a 0x-prefixed hex key (EIP-1967 implementation slot is 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc)","type":"string"}},"required":["address","slot"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"address":{"type":"string"},"asAddress":{"type":"string"},"asBool":{"type":"boolean"},"asUint":{"type":"string"},"block":{"type":"string"},"network":{"type":"string"},"slot":{"type":"string"},"value":{"type":"string"}},"required":["address","network","slot","block","value","asUint","asAddress","asBool"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.001,"price_match":true,"latency_ms":923,"error":null}],"description_full":"Read one 32-byte storage slot from a contract, the raw state under whatever the source code calls it. Returns the word as hex plus three readings of the same bytes - unsigned integer, address (low 20 bytes) and boolean - because a slot is untyped on chain and only the caller knows which it meant. Useful for proxy implementation slots, paused flags and any value the ABI does not expose. EVM chains: ethereum, base, polygon, arbitrum, optimism.","last_updated":"2026-09-13T22:39:47.518Z","schemes":["exact","upto"]}