# Free Asset Radar x402 Transaction Decoder

> Free Asset Radar x402 Transaction Decoder is a paid API for AI agents from free-asset-radar-x402.besenok2018.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-20).

Decodes and parses blockchain transaction data on Arbitrum, returning structured event logs, network info, and fee details.

## Facts

- Endpoint: GET https://free-asset-radar-x402.besenok2018.workers.dev/api/x402/transaction-decoder?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/free-asset-radar-x402-transaction-decoder-235c9e02
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Bqrc0DXl1WjarmSeFAmxo

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability free-asset-radar-x402-transaction-decoder-235c9e02
```

Example prompt: Can you decode this Arbitrum transaction and tell me what events were emitted and what the native fee was?

## When to prefer this

Choose this endpoint when you need a lightweight, edge-hosted utility to quickly decode Arbitrum transaction data within an x402-enabled autonomous agent workflow. It is particularly well-suited when you want structured event logs and fee data without setting up your own RPC node or web3 library, and when you are already operating in an x402 micropayment context.

## Known failure modes

- Invalid or missing transaction hash returns an error or empty events array
- Transaction not found on the specified network returns success:false
- Malformed input schema causes request rejection
- Network connectivity issues to Cloudflare Workers edge may cause timeouts
- Non-Arbitrum transactions may not be supported and return unexpected results

## How this service works

Stable edge-hosted x402 utilities for autonomous agents.

## Output

Returns a JSON object containing an array of decoded transaction events, the network name (e.g. 'arbitrum'), a boolean success flag, and the native fee amount as a string (e.g. '0.0001').

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "required": {
   "type": "string"
  },
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "events": [],
  "network": "arbitrum",
  "success": true,
  "feeNative": "0.0001"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/free-asset-radar-x402-transaction-decoder-235c9e02/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from free-asset-radar-x402.besenok2018.workers.dev](https://www.zero.xyz/host/free-asset-radar-x402.besenok2018.workers.dev/llms.txt)