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

# List Coins

> Returns available base coins across all exchanges

## Response

<ResponseField name="data.coins" type="array">
  Sorted list of base coin symbols (uppercase) that have options listed on at
  least one supported exchange.

  Typical values: `BTC`, `ETH`, `SOL`, `XRP`, and others that exchanges may list.
</ResponseField>

<RequestExample>
  ```bash cURL theme={null}
  curl https://api.gammaflip.io/api/v1/coins \
    -H "X-API-Key: gex_sk_your_key_here"
  ```

  ```python Python theme={null}
  import requests

  resp = requests.get(
      "https://api.gammaflip.io/api/v1/coins",
      headers={"X-API-Key": "gex_sk_your_key_here"},
  )
  coins = resp.json()["data"]["coins"]
  print(f"Available coins: {', '.join(coins)}")
  ```
</RequestExample>

<ResponseExample>
  ```json 200 OK theme={null}
  {
    "data": {
      "coins": ["BTC", "ETH", "SOL", "XRP"]
    },
    "meta": {
      "timestamp": "2026-04-14T10:00:00+00:00",
      "rate_limit": {
        "limit": 500,
        "remaining": 498,
        "reset": "2026-04-15T00:00:00+00:00"
      }
    }
  }
  ```
</ResponseExample>