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Anchor X402 Transaction Decoder
x402
Anchor X402 Transaction Decoder is a paid API for AI agents from api.anchor-x402.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Decodes and structures any mainnet transaction from Base, Ethereum, or Solana given a transaction hash
Price / call$0.001
Success—
StatusUnknown
How this service works
Structured decode of any mainnet tx (base | ethereum | solana) — $0.001 USDC
Output
A structured JSON breakdown of the transaction including sender, recipient, token amounts, contract interactions, method calls, fees, block number, and other decoded fields relevant to the transaction type on the specified chain (Base, Ethereum, or Solana).
Example use cases
Example prompt
“Can you decode this Ethereum mainnet transaction for me — 0x4a3b7c1d2e9f... — and tell me what it actually did, who sent it, what was transferred, and what contract was called?”
Technical details
Endpoint
POSThttps://api.anchor-x402.com/v1/decode/txWhen to prefer
Use this endpoint when you need a structured, human-readable decode of any mainnet transaction across Base, Ethereum, or Solana — particularly useful when you have a raw tx hash and need to understand transfers, contract calls, or method invocations without running your own RPC node. Prefer this over block explorer scraping or building custom decoders for multi-chain support.
Side effects
- Invalid or malformed transaction hash returns error
- Transaction hash not found on the specified chain returns not-found error
- Unsupported chain specified returns validation error
- Network congestion or RPC issues may cause timeouts
- Payment failure (insufficient USDC balance) returns 402 status
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"chain": "base",
"status": 1,
"tx_hash": "0x7fb4...",
"gas_used": 21064,
"timestamp": 1746820000,
"value_eth": "0",
"value_wei": "0",
"to_address": "0xFE70...",
"block_number": 24000000,
"from_address": "0xFE70...",
"native_currency": "ETH",
"input_calldata_hex": "0xab08..."
}
}Tags
x402
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