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DataPackVibe Ethereum Event Log Decoder
x402
DataPackVibe Ethereum Event Log Decoder is a paid API for AI agents from api.datapackvibe.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-15).
Decodes raw Ethereum event log topics and data into a named event with typed, labeled parameters — no on-chain lookup required.
Price / call$0.03
Success—
StatusUnknown
How this service works
Decode Ethereum event logs the caller pastes - topics and data into a named event with typed parameters. Input-in/answer-out: no chain lookup, no invented values.
Output
Returns the decoded event name and a list of named, typed parameters with their values — all derived from the ABI-encoded topics and data provided, with no on-chain or external lookups performed.
Example use cases
Debugging a failed DeFi transaction
“I'm looking at a transaction receipt and one of the logs has these topics and data — can you decode it and tell me what event was emitted and what each field is? Topics: ["0x1c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1","0x0000000000000000000000000000000000000000000000000000000000000001"] data: "0x00000000000000000000000000000000000000000002bdc5b1a8c10fccfe0000000000000000000000000000000000000000000000000ad78ebc5ac6200000"”
Reading an NFT mint event log
“Here's a raw Ethereum log from an NFT contract — topics: ["0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62","0x000000000000000000000000aaaa","0x0000000000000000000000000000000000000000000000000000000000000000","0x000000000000000000000000bbbb"] data: "0x00000000000000000000000000000000000000000000000000000000000003e8000000000000000000000000000000000000000000000000000000000000000a" — decode this and tell me the event name and what each parameter says.”
Auditing a governance vote event
“I'm auditing a DAO contract and found this emitted log — can you decode it into a named event with all the typed parameters? Topics: ["0x877856338e13f63d0c36822ff0ef736b647b7bf99c8ce2acacdc5f3b6b2a5c2e","0x0000000000000000000000001234567890abcdef1234567890abcdef12345678"] data: "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000021e19e0c9bab2400000"”
Technical details
Endpoint
POSThttps://api.datapackvibe.com/log/decodeWhen to prefer
Use this endpoint when you have raw Ethereum event log topics and data and need to decode them into human-readable event names and typed parameters offline — without querying an RPC node, Etherscan, or any external blockchain service. Ideal for transaction receipt parsing, debugging, auditing, or building tools that need fast, stateless log interpretation.
Side effects
- Malformed or truncated topics/data returns a decode error
- Unknown event signature (topic[0] not recognized) returns an unrecognized event error
- Mismatched ABI encoding (wrong parameter count or type) returns a parse failure
- Missing required body fields returns a validation error
- Ambiguous or incomplete hex strings cause decoding failures
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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