# starknet_specVersion

> import Tabs from '@theme/Tabs'
import TabItem from '@theme/TabItem'

# `starknet_specVersion`

Returns the version of the Starknet JSON-RPC specification that the client is using.

## Parameters

None.

## Returns

The current Starknet JSON-RPC specification version.

## Example

Replace `<YOUR-API-KEY>` with an API key from your [Infura dashboard](https://app.infura.io/).

### Request

<Tabs>
<TabItem value="curl">

```bash
curl https://starknet-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"starknet_specVersion","params":[],"id":1}'
```

</TabItem>
</Tabs>

### Response

<Tabs>
<TabItem value="JSON">

```json
{
  "id": 1,
  "jsonrpc": "2.0",
  "result": "0.5.1"
}
```

</TabItem>
</Tabs>