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Sleuth AI Transaction Inspector
x402
Sleuth AI Transaction Inspector is a paid API for AI agents from x402.sleuthagent.ai, paid per call via x402, $0.099/call, status unknown (last checked 2026-09-14).
Analyzes and explains a specific on-chain transaction in plain language, returning a human-readable summary of what occurred
Price / call$0.099
Success—
StatusUnknown
How this service works
Pay-per-call on-chain investigation API (x402, USDC on Base).
Output
A natural-language explanation of what the transaction did (e.g. 'This transaction swapped 5 ETH for 12,000 USDC via Uniswap v3'), along with a unique request_id for tracking the call.
Example use cases
Decode a suspicious DeFi swap
“I found this transaction hash 0x7f3e2a1b9c8d5e4f6a7b0c1d2e3f4a5b from my wallet history and I have no idea what it did — can you investigate it and tell me what tokens were swapped, via which protocol, and for how much?”
Audit a whale wallet move
“There's a large transaction 0xabc123def456789012345678901234567890abcdef that a whale wallet just made — can you analyze it and give me a plain-English explanation of what exactly happened on-chain?”
Verify a reported exploit transaction
“Someone is claiming transaction 0x1d2e3f4a5b6c7d8e9f0a1b2c3d4e5f6a7b8c9d0e was part of a hack — can you inspect it and tell me what actually occurred so I can verify if the story checks out?”
Technical details
Endpoint
POSThttps://x402.sleuthagent.ai/api/v1/transaction-inspectWhen to prefer
Choose this endpoint when you need a human-readable, AI-generated explanation of a specific on-chain transaction — particularly for DeFi interactions, swaps, or complex multi-step transactions — and you want pay-per-call pricing via USDC on Base with no subscription required. Prefer this over block explorers when you need natural language interpretation rather than raw decoded data.
Side effects
- Invalid or malformed transaction hash returns an error
- Transaction not found on supported chain returns empty or error response
- Network congestion or RPC unavailability may cause timeouts
- Payment failure (insufficient USDC balance or x402 protocol error) blocks the call
- Unsupported chain or very old transactions may yield incomplete analysis
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chain | string | |
| tx_hash | string | |
| conversation_id | string |
Output
Schema · Response
{
"type": "json",
"example": {
"response": "This transaction swapped 5 ETH for 12,000 USDC via Uniswap v3…",
"request_id": "req_9f8e7d6c5b4a"
}
}Tags
x402
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