> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tender.cash/llms.txt
> Use this file to discover all available pages before exploring further.

# Swap-Enabled Chains

> List all blockchain networks that support crypto-to-crypto swaps, optionally filtered by coin

<Note>
  **Auth method: Signed (HMAC)** — this endpoint requires the full set of signed
  headers: `x-access-id`, `x-request-id`, `x-timestamp`, and an HMAC-SHA256
  `authorization` signature. See [Authentication](/api-reference/authentication#signed-hmac-authentication).
</Note>

## Headers

<ParamField header="x-access-id" type="string" required>
  Your API access ID provided by Tender

  **Example:** `"your-access-id-here"`
</ParamField>

## Query Parameters

<ParamField query="coin" type="string">
  Filter chains that support a specific coin

  **Example:** `"usdt"`
</ParamField>

## Response

<ResponseField name="status" type="string" required>
  **Example:** `"success"`
</ResponseField>

<ResponseField name="message" type="string" required>
  **Example:** `"success"`
</ResponseField>

<ResponseField name="data" type="array" required>
  Array of chains that have swap enabled

  <Expandable title="chain object">
    <ResponseField name="id" type="string">
      Chain identifier

      **Example:** `"ethereum"`
    </ResponseField>

    <ResponseField name="name" type="string">
      Display name

      **Example:** `"Ethereum"`
    </ResponseField>

    <ResponseField name="icon" type="string">
      Chain icon URL

      **Example:** `"https://tender-store.s3.amazonaws.com/icons/ethereum.png"`
    </ResponseField>

    <ResponseField name="coin" type="string">
      Native coin symbol

      **Example:** `"ETH"`
    </ResponseField>

    <ResponseField name="chainType" type="string">
      Blockchain type (e.g. `evm`, `sol`, `tron`)

      **Example:** `"evm"`
    </ResponseField>

    <ResponseField name="status" type="string">
      **Example:** `"active"`
    </ResponseField>
  </Expandable>
</ResponseField>