> For the complete documentation index, see [llms.txt](https://docs.blockpi.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blockpi.io/build/api-reference/zetachain/zeta-chain-crosschain-outtxtracker-chainid-nonce.md).

# /zeta-chain/crosschain/outTxTracker/{chainID}/{nonce}

Queries a OutTxTracker by index.

#### **Parameters:**

**chainID-string**

**nonce-string**

#### Example:

{% code overflow="wrap" %}

```json
// Request
curl -X GET -H 'Content-Type: application/json' https://zetachain..blockpi.network/lcd/v1/<your-api-key>/zeta-chain/crosschain/outTxTracker/{chainID}/{nonce}

// Result

```

{% endcode %}