{ "x402Version": 2, "id": 28187, "slug": "28187", "resource": "https://agent402.tools/api/chain/storage", "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. Useful for proxy implementation slots, paused flags and any value the ABI does not expose. 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{ "scheme": "exact", "network": "eip155:42220", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C", "amount": "1000", "maxTimeoutSeconds": 300 }, { "scheme": "upto", "network": "eip155:8453", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "1000", "amountUsd": 0.001, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "1000", "amountUsd": 0.001, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "stellar:pubnet", "payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL", "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": 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"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" } }, "builder-code": { "info": { "a": "bc_b4aw4uzd" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service 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"type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "a": "bc_b4aw4uzd" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service builder codes", "items": { "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "maxItems": 11, "type": "array" }, "w": { "description": "Wallet builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" } }, "type": "object" } }, "payment-identifier": { "info": { "required": false }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "id": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "required": { "type": "boolean" } }, "required": [ "required" ], "type": "object" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "agent402.tools", "manifest_name": "agent402.tools", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913", "asAddress": "0x0000000000000000000000000000000000000001", "asBool": true, "asUint": "1", "block": "latest", "network": "base", "slot": "0x0", "value": "0x0000000000000000000000000000000000000000000000000000000000000001" } }