> For the complete documentation index, see [llms.txt](https://docs.pagsmile.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pagsmile.com/reference/remittance-api/business/exchange/query-quote.md).
# Query Quote
Returns an executable foreign-exchange quote for a currency pair, amount, and fixed side.
**Endpoint**
`POST /remittance/exchange/query-quote`
**Sandbox base URL:** `https://rem-api-sandbox.pagsmile.com`\
**Content-Type:** `application/json; charset=UTF-8`
The request uses the standard [Remittance API request envelope](https://docs.pagsmile.com/remittance-api/common). The fields below describe the decrypted `biz_data` object.
{% hint style="info" %}
**Requirement:** `M` = Mandatory, `O` = Optional, and `C` = Conditional. A conditional field is mandatory only when the condition stated in its description applies.
{% endhint %}
{% hint style="warning" %}
Encrypt `biz_data`, encrypt the AES key into `random_key`, and sign the request according to the Common request specification.
{% endhint %}
**Request body**
**Decrypted `biz_data` fields**
| Field | Type | Requirement | Description |
| --------------- | ------ | ----------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `merchant_id` | long | M | Pagsmile-assigned unique identifier of the merchant or institution whose account will be debited for the transaction. |
| `sell_currency` | string | M | Three-letter ISO 4217 code of the currency being sold. |
| `buy_currency` | string | M | Three-letter ISO 4217 code of the currency being purchased. |
| `fixed_side` | string | O | Specifies whether the sell amount or buy amount is fixed when calculating the quote.
See Fixed Side for supported values.
Default: SELL.
|
| `tx_amount` | string | M | Amount used to calculate the foreign-exchange quote. Its value must be equivalent to at least USD 2.00. |
**Plaintext `biz_data` example**
{% hint style="info" %}
This example includes mandatory fields and representative optional or conditional fields. Submit fields marked `C` only when the condition in the field description applies.
{% endhint %}
```json
{
"merchant_id": 100398,
"sell_currency": "USD",
"buy_currency": "USD",
"fixed_side": "sell",
"tx_amount": "100.00"
}
```
**Request example**
```bash
curl --request POST \
--url https://rem-api-sandbox.pagsmile.com/remittance/exchange/query-quote \
--header 'Content-Type: application/json; charset=UTF-8' \
--data '{
"partner_id": "",
"app_id": "",
"timestamp": "2026-07-20 10:30:00",
"version": "2.0",
"language": "en",
"random_key": "",
"request_id": "",
"sign_type": "RSA",
"biz_data": ""
}'
```
{% hint style="info" %}
Use the `partner_id` and `app_id` assigned to your integration. The values above are placeholders.
{% endhint %}
**Response**
{% tabs %}
{% tab title="Success" %}
The `data` field in the response envelope is AES-encrypted. Decrypt `random_key` with your RSA private key, then use the resulting AES key to decrypt `data`. See [Security](https://docs.pagsmile.com/remittance-api/security) for implementation details.
**Encrypted response example**
```json
{
"code": "10000",
"msg": "Success",
"data": "",
"random_key": "",
"sign_type": "RSA",
"app_id": "2017051914172236111"
}
```
**Decrypted `data` example**
```json
{
"merchant_id": 100398,
"quote_id": 100001,
"sell_currency": "USD",
"buy_currency": "USD",
"conversion_rate": "1.000000",
"sell_amount": "100.00",
"buy_amount": "100.00",
"fixed_side": "sell",
"expired_at": 1800
}
```
{% endtab %}
{% tab title="Invalid signature" %}
```json
{
"code": "40002",
"msg": "Business Failed",
"sub_code": "invalid-signature",
"sub_msg": "invalid signature"
}
```
{% endtab %}
{% tab title="Amount below minimum" %}
```json
{
"code": "500008",
"msg": "The exchange amount must be equivalent to at least USD 2.00."
}
```
{% endtab %}
{% endtabs %}
**Response data fields**
| Field | Type | Requirement | Description |
| ----------------- | ------ | ----------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `merchant_id` | long | M | Pagsmile-assigned unique identifier of the merchant associated with the returned record. |
| `quote_id` | long | O | Pagsmile-assigned unique identifier of the foreign-exchange quote. |
| `sell_currency` | string | M | Three-letter ISO 4217 code of the currency being sold. |
| `buy_currency` | string | M | Three-letter ISO 4217 code of the currency being purchased. |
| `conversion_rate` | string | M | Conversion rate applied between the sell and buy currencies. |
| `sell_amount` | string | M | Amount of the sell currency in the foreign-exchange transaction. |
| `buy_amount` | string | M | Amount of the buy currency in the foreign-exchange transaction. |
| `fixed_side` | string | M | Specifies whether the sell amount or buy amount is fixed when calculating the quote.
See Fixed Side for supported values.
|
| `expired_at` | long | O | Quote validity period in seconds. This field may be `null` when the selected quote provider does not return an expiration period. |
**Related APIs**
* [Create Exchange Order](https://docs.pagsmile.com/remittance-api/business/exchange/create-exchange-order)
* [Query Exchange Orders](https://docs.pagsmile.com/remittance-api/business/exchange/query-exchange-orders)