> For the complete documentation index, see [llms.txt](https://docs-processing.crypto-chief.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs-processing.crypto-chief.com/currencies/calculate-crypto-to-fiat-amount.md).

# Calculate Crypto to Fiat Amount

**Calculates the fiat equivalent of a given cryptocurrency amount using current exchange rate data.**

The calculation is informational only and does **not** perform any cryptocurrency or fiat exchange operations.

#### Calculate Crypto to Fiat Amount

<mark style="color:green;">`POST`</mark> `https://api-processing.crypto-chief.com/v1/currencies/convert/crypto-fiat`

**Headers**

| Name         | Value               |
| ------------ | ------------------- |
| Content-Type | `application/json`  |
| Signature    | Signed request body |
| Merchant     | Merchant ID         |

**Body**

| Name       | Type                                                      | Required | Description                  |
| ---------- | --------------------------------------------------------- | -------- | ---------------------------- |
| `provider` | [DATA\_SOURCE](/general/exchange-data-sources.md)         | false    | Exchange rate data source    |
| `from`     | [CRYPTO\_CURRENCY](/currencies/list-crypto-currencies.md) | true     | Target cryptocurrency ticker |
| `to`       | [FIAT](/currencies/list-fiat-currencies.md)               | true     | Source fiat currency code    |
| `amount`   | string                                                    | true     | Amount in source currency    |

**Response**

{% tabs %}
{% tab title="200" %}

```json
{
    "amount_crypto": 5000,
    "amount_fiat": 388011.715,
    "crypto": "USDT",
    "crypto_to_usdt": 1,
    "exchange": "any",
    "fiat": "INR",
    "fiat_to_usd": 0.01288620886098761,
    "timestamp_crypto": 1768826655,
    "timestamp_fiat": 1768826655
}
```

{% endtab %}

{% tab title="400" %}

```json
{
    "error": "INVALID_PARAMS",
    "msg": "from, to and amount are required",
    "ok": false
}
```

{% endtab %}
{% endtabs %}


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