Latest update time：2019.11.20 Release notes
The interface could inquiry the exchange rate which Wechat Payment used in real time. The rate is updated once each day at 10 a.m. in the time zone (GMT+8).
Request Url:https://api.mch.weixin.qq.com/pay/queryexchagerate
Request Method:POST
Certificate Requirements: No certificate is required.
Applicable Object:Common modeInstitutional mode
| Name | ID | Type | Required | Description |
|---|---|---|---|---|
| Official Account ID | appid | String(32) | Yes | Specifies Official Account ID assigned by WeChat Example: wx8888888888888888 |
| Merchant ID | mch_id | String(32) | Yes | Specifies Merchant ID assigned by WeChat Example: 1900000109 |
| Sub Merchant ID | sub_mch_id | String(32) | No | Specifies Sub Merchant ID assigned by WeChat Specifies Sub merchant ID of institution's sub-merchant assigned by WeChat Pay Note: Only for Institutional mode Example: 1230000100 |
| Currency Type | fee_type | String(10) | Yes | Foreign currency type. ISO-4217 standard compliant and be described by three characters based code. Example: USD |
| Date | date | String(14) | Yes | In the format of yyyyMMdd. For example, December 25, 2009 is expressed as 20091225 in the time zone (GMT+8). Example: 20150807 |
| Signature | sign | String(64) | Yes | Specifies a signature. For more information, see Signature Algorithm. Example: C380BEC2BFD727A4B6845133519F3AD6 |
<xml>
<appid>wx2421b1c4370ec43b</appid>
<mch_id>10000100</mch_id>
<fee_type>CNY</fee_type>
<date>20150807</date>
<sign>FDD167FAA73459FD921B144BAF4F4CA2</sign>
</xml>
| Name | ID | Type | Required | Description |
|---|---|---|---|---|
| Return Status Code | return_code | String(16) | Yes | SUCCESS or FAIL Specifies communicating label instead of transaction label. The status of a transaction is determined by the value of result_code. Example: SUCCESS |
| Return Data | return_msg | String(128) | No | If not empty, this is the error description Signature failure Parameter format checking error Example: Signature failure |
If return_code is SUCCESS, return data will also include the following fields:
| Name | ID | Type | Required | Description |
|---|---|---|---|---|
| Official Account ID | appid | String(32) | Yes | The Official Account ID submitted when calling the interface Example: wx8888888888888888 |
| Merchant ID | mch_id | String(32) | Yes | The Merchant ID submitted when calling the interface Example: 1900000109 |
| Sub Merchant ID | sub_mch_id | String(32) | No | The Sub Merchant ID submitted when calling the interface Specifies Sub merchant ID of institution's sub-merchant assigned by WeChat Pay Note: Only for Institutional mode Example: 1230000100 |
| Currency Type | fee_type | String(10) | Yes | Foreign currency type. ISO-4217 standard compliant and be described by three characters based code. Example: USD |
| Exchange Rate Time | rate_time | String(14) | Yes | In the format of yyyyMMdd. For example, December 25, 2009 is expressed as 20091225 in the time zone (GMT+8). Example: 20150807 |
| Exchange Rate | rate | String(32) | Yes | The value is 10 to the 8th power times of the exchange rate from foreign currency to RMB. For example, the exchange rate from foreign currency to RMB is 6.5, the value will be 650000000 Example: 650000000 |
| Signature | sign | String(64) | Yes | Specifies a signature. For more information, see Signature Algorithm. Example: C380BEC2BFD727A4B6845133519F3AD6 |
<xml>
<appid>wx2421b1c4370ec43b</appid>
<mch_id>10000100</mch_id>
<fee_type>USD</fee_type>
<rate_time>20150807</rate_time>
<rate>650000000</rate>
<sign>FDD167FAA73459FD921B144BAF4F4CA2</sign>
</xml>
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