> For the complete documentation index, see [llms.txt](https://docs.butternetwork.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.butternetwork.io/butter-swap-integration/butter-api-for-routing/get-supportedchaininfo.md).

# GET /supportedChainInfo

GET get blockchains' information that Butter Router supports

### Request Parameters

None

### Responses Structure

The response contains the following fields:

| Field   | Type   | Description                                                                                                      |
| ------- | ------ | ---------------------------------------------------------------------------------------------------------------- |
| errno   | number | Error code. `0` means success, other values indicate errors, see [error code list](#errors).                     |
| message | string | Response message. If the request was successful it is `success`, otherwise it gives corresponding error message. |
| data    | array  | An array of the supported blockchain Ids.                                                                        |

> **Authentication**: this endpoint supports API Key authentication. See [Integration Guide - Authentication](/butter-swap-integration/integration-guide.md#authentication) for details.

### Request Example

```
GET /supportedChainInfo
```

### Response Examples

> 200 Response

```
{
  "errno": 0,
  "message": "string",
  "data": [
     {
      "id": "1",
      "type": "EVM",
      "name": "Ethereum"
    },
    {
      "id": "137",
      "type": "EVM",
      "name": "Polygon"
    },
    {
      "id": "56",
      "type": "EVM",
      "name": "BSC"
    },
    {
      "id": "22776",
      "type": "EVM",
      "name": "MAP"
    },
    {
      "id": "728126428",
      "type": "EVM",
      "name": "Tron"
    },
    {
      "id": "2649",
      "type": "EVM",
      "name": "AILayer"
    },
    {
      "id": "8453",
      "type": "EVM",
      "name": "Base"
    },
    {
      "id": "59144",
      "type": "EVM",
      "name": "Linea"
    },
    {
      "id": "42161",
      "type": "EVM",
      "name": "Arbitrum"
    },
    {
      "id": "10",
      "type": "EVM",
      "name": "Optimism"
    },
    {
      "id": "8217",
      "type": "EVM",
      "name": "Kaia"
    },
    {
      "id": "196",
      "type": "EVM",
      "name": "XLayer"
    },
    {
      "id": "130",
      "type": "EVM",
      "name": "UniChain"
    },
    {
      "id": "43114",
      "type": "EVM",
      "name": "Avalanche"
    },
    {
      "id": "1360108768460801",
      "type": "Solana",
      "name": "Solana"
    },
    {
      "id": "1360095883558913",
      "type": "BTC",
      "name": "BTC"
    }
  ]
}
```

**Note**: the chain info list may change over time as new chains are added or removed from the Butter Router's support, please request this endpoint to get the latest supported chain info.

**Please find all** [**ButterSwap API Reference**](https://bs-router-v3.chainservice.io/docs#/) **here.**