# Convert

**Endpoint**

`POST/v2/currency`

**Link**

{% embed url="<https://stagep.tst-apidmndelss.com/openapi/v2.html#/operations/Currency_Convert>" %}

### **Request**

#### **Headers**

| Key             | Value              | Required |
| --------------- | ------------------ | -------- |
| `Authorization` | `Bearer <JWT>`     | Yes      |
| `Content-Type`  | `application/json` | Yes      |
| `Accept`        | `application/json` | Yes      |

#### **Request Body (JSON)**

| Field               | Type     | Description                                            | Required | Example |
| ------------------- | -------- | ------------------------------------------------------ | -------- | ------- |
| **`amount`**        | `object` | **Source amount** to convert (see Money Object below). | Yes      | -       |
| **`toCurrencyIso`** | `string` | **Target currency** (ISO 4217 code).                   | Yes      | `"EUR"` |

**Money Object**

| Field              | Type      | Description                           | Example               |
| ------------------ | --------- | ------------------------------------- | --------------------- |
| **`currencyCode`** | `string`  | **Source currency** (ISO 4217 code).  | `"USD"`               |
| **`units`**        | `string`  | **Whole units** (e.g., dollars).      | `"100"`               |
| **`nanos`**        | `integer` | **Fractional units** (nanos = 10^-9). | `500000000` (= $0.50) |

**Example Request Body:**

json

```
{
  "amount": {
    "currencyCode": "USD",
    "units": "100",
    "nanos": 500000000
  },
  "toCurrencyIso": "EUR"
}
```

***

### **Response (200 OK)**

Returns both the original and converted amounts.

#### **Response Fields**

| Field                 | Type     | Description                          | Example |
| --------------------- | -------- | ------------------------------------ | ------- |
| **`sourceAmount`**    | `object` | Original amount (matches request).   | -       |
| **`convertedAmount`** | `object` | Converted amount (see Money Object). | -       |

**Money Object (for both amounts)**

| Field              | Type      | Description       | Example               |
| ------------------ | --------- | ----------------- | --------------------- |
| **`currencyCode`** | `string`  | Currency code.    | `"EUR"`               |
| **`units`**        | `string`  | Whole units.      | `"93"`                |
| **`nanos`**        | `integer` | Fractional units. | `250000000` (= €0.25) |

**Example Response:**

json

```
{
  "sourceAmount": {
    "currencyCode": "USD",
    "units": "100",
    "nanos": 500000000
  },
  "convertedAmount": {
    "currencyCode": "EUR",
    "units": "93",
    "nanos": 250000000
  }
}
```

\*Translation: $100.50 USD = €93.25 EUR\*

***

### **Examples**

#### **Request**

bash

```
curl -X POST 'https://stagep.tst-apidmndelss.com/v2/currency' \
  -H 'Authorization: Bearer eyJhbGci...wNLGA' \
  -H 'Content-Type: application/json' \
  -d '{
    "amount": {
      "currencyCode": "USD",
      "units": "50",
      "nanos": 0
    },
    "toCurrencyIso": "JPY"
  }'
```

#### **Response**

json

```
{
  "sourceAmount": {
    "currencyCode": "USD",
    "units": "50",
    "nanos": 0
  },
  "convertedAmount": {
    "currencyCode": "JPY",
    "units": "5500",
    "nanos": 0
  }
}
```

***

### **Error Cases**

1. **Invalid Currency**:

   json

   ```
   { "error": "Unsupported currency code: XYZ" }
   ```
2. **Missing Parameters**:

   json

   ```
   { "error": "amount and toCurrencyIso are required" }
   ```
3. **Rate Unavailable**:

   json

   ```
   { "error": "Exchange rate not available for USD to BTC" }
   ```

***

### **Notes**

* **Rate Source**: Uses real-time exchange rates (updated frequently).
* **Precision**: Conversion maintains high precision (nanos = 10^-9).
* **Fees**: Conversion may include applicable fees (check system configuration).

Real request example

```postman_json
  {
  "amount": {
    "currencyCode": "EUR",
    "units": "10",
    "nanos": 0
  },
  "currencyCodeTo": "USD"
}
{
  "amount": {
    "currencyCode": "EUR",
    "units": "10",
    "nanos": 0
  },
  "currencyCodeTo": "USD"
}
```

Real response example

200 OK

```postman_json
{
  "sourceAmount": {
    "currencyCode": "EUR",
    "units": "10",
    "nanos": 0
  },
  "convertedAmount": {
    "currencyCode": "USD",
    "units": "11",
    "nanos": 606401205
  }
}
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.delos.financial/currency/convert.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.