> ## Documentation Index
> Fetch the complete documentation index at: https://cobo-docs-feature-cobo-cli.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Supported Chains

> <Note>This content applies to WaaS 1.0 only. We highly recommend that you upgrade to [WaaS 2.0](https://www.cobo.com/developers/v2/guides/overview/introduction).</Note> This endpoint returns a JSON response with a 'chain_codes' field containing a list of supported chain codes for the MPC custody wallet associated with the authenticated user.

#### Request

None

#### Response

<ResponseField name="success" type="bool">request successful or failed</ResponseField>

<ResponseField name="result" type="object">
  <Expandable title="object">
    <ResponseField name="chain_codes" type="String[ ]">List of supported chain codes.</ResponseField>
  </Expandable>
</ResponseField>

<RequestExample>
  ```python Python
  request(
      "GET",
      "/v1/custody/mpc/get_supported_chains/", {},
      api_key, api_secret, host
  )
  ```

  ```javascript JavaScript
  coboFetch('GET', '/v1/custody/mpc/get_supported_chains/', {}, api_key, api_secret, host)
      .then(res => {
          res.json().then((data)=>{
              console.log(JSON.stringify(data, null, 4));
          })
      }).catch(err => {
          console.log(err)
      });
  ```

  ```go Go
  Request("GET", "/v1/custody/mpc/get_supported_chains/", map[string]string{})
  ```
</RequestExample>

<ResponseExample>
  ```json
  {
    "success": true,
    "result":{
        "chain_codes": [
          "BSC_BNB",
          "ETH",
          "GETH",
          "TBSC_BNB",
          "MATIC",
          "ARBITRUM_ETH"
        ]
    }
  }

  ```
</ResponseExample>