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The Stall — Blockchain Transaction Explainer
x402
The Stall — Blockchain Transaction Explainer is a paid API for AI agents from the-stall.intuitek.ai, paid per call via x402, $0.014/call, status unknown (last checked 2026-09-14).
Fetches and explains a blockchain transaction in human-readable detail given a transaction hash and chain
Price / call$0.014
Success—
StatusUnknown
How this service works
Given a transaction hash and chain, returns a decoded breakdown: sender, recipient, ETH value transferred, gas used, transaction fee, decoded method name (transfer/approve/swap/deposit/etc.), ERC-20 token transfer details if applicable, block number, block timestamp, and a one-sentence agent-readable summary. Supports Ethereum (default), Base, Polygon, and Arbitrum mainnet. Uses free public JSON-RPC nodes — no API key required, results in ~1-2s.
Output
A human-readable explanation of the given blockchain transaction, including decoded inputs, method calls, token transfers, contract interactions, and relevant metadata such as gas used, sender, receiver, and value transferred.
Example use cases
Example prompt
“Can you explain what happened in this Ethereum transaction? The hash is 0x4e3a12f7b8c291d0a6e5f3b2c1d9e8a7f6b4c3d2e1f0a9b8c7d6e5f4a3b2c1d0 — I want to understand what it actually did.”
Technical details
Endpoint
GEThttps://the-stall.intuitek.ai/cap/tx-explainerWhen to prefer
Use this endpoint when an agent or user needs to understand what a specific blockchain transaction did in plain language — especially when the transaction hash is known and the chain is one of ethereum, base, polygon, or arbitrum. Ideal for wallet assistants, DeFi analytics, user-facing tx history explanations, or debugging smart contract interactions. Preferred over raw RPC calls when human-readable interpretation is needed rather than raw hex data.
Side effects
- Invalid or malformed tx_hash (not 0x-prefixed or not 66 chars) returns a 400 or error response
- Transaction hash not found on the specified chain returns a not-found error
- Unsupported chain value returns a validation error
- Payment not provided or insufficient USDC results in a 402 payment required response
- Network or RPC timeout for the queried chain may return a 503 or timeout error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string |
Tags
x402
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