# ChainScope Transaction Lookup

> ChainScope Transaction Lookup is a paid API for AI agents from chainsscope.duckdns.org, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).

Looks up detailed information for a specific blockchain transaction by hash across Ethereum, Base, Bitcoin, and Solana.

## Facts

- Endpoint: POST https://chainsscope.duckdns.org/tools/tx-lookup
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/chainscope-transaction-lookup-076983ba
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_yHTQTFQp4EGZyvJiEaX6X

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 chainscope-transaction-lookup-076983ba -d '<json body>'
```

Example prompt: Can you look up the Ethereum transaction 0xabababababababababababababababababababababababababababababababab and tell me its status, the amount transferred, the fee paid, and which addresses were involved?

## When to prefer this

Use this endpoint when you need to look up a specific transaction by its hash on Ethereum, Base, Bitcoin, or Solana and want a single consistent interface rather than integrating four separate chain-specific APIs. Ideal for verifying payment receipt, auditing transfer details, or debugging failed transactions.

## Known failure modes

- Invalid or malformed transaction hash returns an error
- Transaction hash not found on the specified chain
- Unsupported chain identifier provided
- Network timeout or upstream RPC failure
- Rate limiting if too many requests are made quickly

## How this service works

Multi-chain wallet and address intelligence for AI agents. One consistent tool interface across Ethereum, Base, Bitcoin, and Solana -- balances, transactions, activity, fees, and a flagship full wallet scan with safety flagging -- instead of building 4 separate chain integrations yourself.

## Output

Returns a JSON object containing the transaction hash, the chain it occurred on, success/failure status, the value transferred, the fee paid, sender and recipient addresses, the block number it was included in, and a timestamp of when it occurred.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "chain": {
   "enum": [
    "ethereum",
    "base",
    "bitcoin",
    "solana",
    "arbitrum",
    "optimism",
    "polygon"
   ],
   "type": "string"
  },
  "tx_hash": {
   "type": "string",
   "description": "transaction hash/id/signature for the given chain"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "fee": "0.0002",
  "chain": "ethereum",
  "value": "1.0",
  "status": "success",
  "tx_hash": "0xabababababababababababababababababababababababababababababababab",
  "timestamp": "2026-07-20T12:00:00+00:00",
  "to_address": "0xbbbb000000000000000000000000000000bbbb",
  "block_number": 100,
  "from_address": "0xaaaa000000000000000000000000000000aaaa"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/chainscope-transaction-lookup-076983ba/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from chainsscope.duckdns.org](https://www.zero.xyz/host/chainsscope.duckdns.org/llms.txt)