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

# Query Reserve Fund Balance Details

Queries the merchant reserve fund account balance details. The query window is at most 31 days.

## Request Headers

<ParamField header="Api-Key" type="string" required placeholder="your_api_key">
  apiKey (merchant credential, bound to IP whitelist)
</ParamField>

<ParamField header="Timestamp" type="string" required>
  Unix timestamp in milliseconds. The deviation from the server time must be within 60 seconds, and future timestamps are not accepted.
</ParamField>

<ParamField header="Access-Token" type="string" required placeholder="your_access_token">
  Login token (required for all interfaces except Get Token).
</ParamField>

<ParamField header="Content-Type" type="string" default="application/json">
  Fixed to `application/json`
</ParamField>

<ParamField header="Timezone" type="string" default="UTC+8">
  Timezone, affects the day boundary calculation for `start_time` / `end_time`. Defaults to UTC+8.
</ParamField>

## Request Body

<ParamField body="start_time" type="string" required>
  Start time (`yyyy-MM-dd` or `yyyy-MM-dd HH:mm:ss`).
</ParamField>

<ParamField body="end_time" type="string" required>
  End time (same format as above; interval ≤ 31 days).
</ParamField>

<ParamField body="type" type="string">
  Detail type. See [Constants - Balance Detail Type](/en/API/constants#reserve-fund-type). Omit to query all types.
</ParamField>

<ParamField body="page" type="number" default="0">
  Query page number, starting from `0`.
</ParamField>

<ParamField body="size" type="number" default="10">
  Number of records per page (max 100).
</ParamField>

## Response Parameters

<ResponseField name="code" type="number">
  Response status code. `0` indicates success.
</ResponseField>

<ResponseField name="msg" type="string">
  Response message.
</ResponseField>

<ResponseField name="data" type="object">
  Response data.

  <Expandable title="data">
    <ResponseField name="list" type="object[]">
      Balance details list.

      <Expandable title="list">
        <ResponseField name="transaction_no" type="string">Balance detail number</ResponseField>
        <ResponseField name="type" type="string">Detail type. See [Constants - Balance Detail Type](/en/API/constants#reserve-fund-type)</ResponseField>
        <ResponseField name="amount_type" type="string">Balance change direction: `add` increase, `reduce` decrease</ResponseField>
        <ResponseField name="symbol" type="string">Currency</ResponseField>
        <ResponseField name="amount" type="string">Transaction amount</ResponseField>
        <ResponseField name="reserve_amount" type="string">Balance after the transaction</ResponseField>
        <ResponseField name="ctime" type="string">Transaction time (`yyyy-MM-dd HH:mm:ss`)</ResponseField>
      </Expandable>
    </ResponseField>
  </Expandable>
</ResponseField>

<RequestExample>
  ```bash Request theme={null}
  curl --request POST \
    --url https://sandbox-openplatform.keysecure.io/open-api/v1/reserve/fund/transaction/list \
    --header 'Content-Type: application/json' \
    --header 'Api-Key: your_api_key' \
    --header 'Timestamp: 1716307200000' \
    --header 'Access-Token: your_access_token' \
    --header 'Timezone: UTC+8' \
    --data '{
      "start_time": "2026-09-01",
      "end_time": "2026-09-30",
      "type": "Deposit",
      "page": 0,
      "size": 10
    }'
  ```
</RequestExample>

<ResponseExample>
  ```json Response theme={null}
  {
    "code": 0,
    "msg": "Success",
    "data": {
      "list": [{
        "transaction_no": "TR260605000000358089878975545344",
        "type": "Consumption",
        "amount_type": "add",
        "symbol": "USD",
        "amount": "3",
        "reserve_amount": "519.3",
        "ctime": "2026-06-05 15:11:17"
      }]
    }
  }
  ```
</ResponseExample>