# Get signal chart data

`GET https://api.cryptohopper.com/v1/market/signals/{signal_id}/chartdata`

Part of [Marketplace](https://www.cryptohopper.com/api-documentation/api-reference/marketplace.md) in the Cryptohopper API reference.

Returns the daily results of a signal provider's buy signals for charts, oldest first: the last 30 and 90 days with signals, and the last 30 days for BTC and for stablecoin quote currencies.

OAuth scope: `read`

Each row is one day: signal_time is a unix time in seconds, result_sum the summed result and result_sum_perct the average result per signal, in percent. stablecoin covers the quote currencies BUSD, CAD, HUSD, K:BTC, K:USD, TUSD, USD, USDC, USDS, USDT and UST.

## Headers

| Name | Type | Required | Description |
|---|---|---|---|
| `access-token` | string | no | The OAuth access token of the user. |

## Path parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `signal_id` | string | yes | Signal provider ID. |

## Example request

```bash
curl "https://api.cryptohopper.com/v1/market/signals/SIGNAL_ID/chartdata" \
  -H "access-token: YOUR_ACCESS_TOKEN"
```

## Response

Example response (illustrative values):

```json
{
    "data": {
        "lastmonth": [
            {
                "signal_time": "1758672000",
                "result_sum": "8.40",
                "result_sum_perct": "1.200000"
            }
        ],
        "threemonths": [
            {
                "signal_time": "1758672000",
                "result_sum": "8.40",
                "result_sum_perct": "1.200000"
            }
        ],
        "btc": [
            {
                "signal_time": "1758672000",
                "result_sum": "3.10",
                "result_sum_perct": "1.550000"
            }
        ],
        "stablecoin": [
            {
                "signal_time": "1758672000",
                "result_sum": "8.40",
                "result_sum_perct": "1.200000"
            }
        ]
    }
}
```

Status codes: 200. Errors return JSON with `status`, `error` and `message`, plus a numeric `code` when the error comes from the API itself rather than the gateway.