Last Updated: 26 June 2024 | Change Log
WeChat Pay
WeChat Pay, officially referred to as Weixin Pay in China, is a mobile payment and digital wallet service.
Make yourself familiar with our API Principles to ensure a resilient integration.
Product Overview
Why use WeChat Pay?
WeChat Pay is a digital wallet allowing your customers to make online or mobile wallet payments. It is considered a vital payment method if you are operating in China.
Feature summary
Payment type | Recurring | Reversals | Partial Reversals | Disputes | Auth and Settlement (Sale) |
---|---|---|---|---|---|
Digital wallet | ❌ | ✅ | ✅ | ❌ | ✅ |
- Maximum Transaction Value: 50.000 CNY
- Maximum Transaction per consumer wallet per day: 100.000 CNY
Acceptance currencies
Currency | Currency codes |
---|---|
Australian Dollar | AUD |
Canadian Dollar | CAD |
Chinese Yuan | CNY |
Euro | EUR |
Hong Kong Dollar | HKD |
Japanese Yen | JPY |
New Zeland Dollar | NZD |
Pound Sterling | GBP |
US Dollar | USD |
Singapore Dollar | SGD |
Set your headers
Setting your headers is an important part of an API request. The headers represent the meta-data associated with your API request.
Authorization: {your_credentials} Content-Type: application/json WP-Api-Version: 2023-06-01
Header | Description |
---|---|
Authorization | We use the Authorization header to identify and authenticate you within Access Worldpay. You must use the Authorization header for any request you send to our APM API, unless you are using client certificate authentication over TLS. If you must use this, read our reference guide on Authenticating with SSL/TLS. |
Content-Type | We require the Content-Type header if the request you're sending includes a request body, and if the HTTP method is a POST or a PUT . |
WP-Api-Version | We use the WP-Api-Version header to identify which version of our APM API you are using. You must use the WP-Api-Version header for any request you send to our API. |
If you're using both the Content-Type
and WP-Api-Version
headers, they must match.
Replace {your_credentials}
with your base64-encoded Basic Auth username and password. To get your Access Worldpay credentials contact your Implementation Manager.
Take a payment
POST
https://try.access.worldpay.com/apmPayments
Example request
{ "transactionReference": "Memory265-13/08/1876", "merchant": { "entity": "default" }, "instruction": { "narrative": { "line1": "Mind Palace Ltd" }, "value": { "amount": 500, "currency": "CNY" }, "paymentInstrument": { "type": "wechatpay", "language": "zh", "country": "CN", "successURL": "https://example.com/success", "pendingURL": "https://example.com/pending", "failureURL": "https://example.com/failure", "cancelURL": "https://example.com/cancel", "transactionTimeOut": 10 } } }
Parameters
Parameter | Required? | Description | Data type | Length |
---|---|---|---|---|
merchant | ✅ | An object that contains information about the merchant. | Object | N/A |
merchant.entity | ✅ | Direct your payment to assist with billing, reporting and reconciliation. This is mandatory for Authentication and Queries. Contact your Implementation Manager for more details. | String | Must be between 1 and 32 characters. |
transactionReference | ✅ | A unique reference generated by you that is used to identify a payment throughout its lifecycle. See transaction reference format. | String | Must be between 1 to 64 characters. |
instruction | ✅ | An object that contains all the information related to the payment. | Object | N/A |
instruction.narrative | ✅ | An object that helps your customers better identify you on their statement. | Object | See our formatting rules |
instruction.narrative.line1 | ✅ | The first line of the narrative which appears on your customer's statement (If a character is not supported it is replaced with a space.). See narrative line1 format for more details. | Object | 24 |
instruction.value | ✅ | An object that contains information about the payment transaction. | Object | N/A |
instruction.value.amount | ✅ | The payment amount. This is a whole number with an exponent e.g. if exponent is two, 250 is 2,50. You can find the relevant exponent in our currency table. | Integer | N/A |
instruction.value.currency | ✅ | The payment currency. Refer to the individual APM page for supported currencies. | Integer | 3 |
instruction.paymentInstrument | ✅ | An object that contains information about the payment method. | Object | N/A |
instruction.paymentInstrument.type | ✅ | An object that contains the payment type and details. It defines which alternative payment method you wish to use. Value is wechatpay . | Object | N/A |
instruction.paymentInstrument.language | ❌ | An object that contains the language of your customer. Follows ISO 639-1 standard. | String | 2 |
paymentInstrument.country | ❌ | The country of your customer. Follows alpha 2 ISO 3166-1 standard. | Object | 2 |
instruction.paymentInstrument.cancelURL | ❌ | When your customer cancels a transaction, we redirect your customer to that cancel URL. | String | N/A |
instruction.paymentInstrument.pendingURL | ❌ | When we receive the payment result for a pending payment transaction, we redirect your customer to that pending URL. | String | N/A |
instruction.paymentInstrument.successURL | ❌ | When we receive the payment result for a successful payment, we redirect your customer to that success URL. | String | N/A |
instruction.paymentInstrument.transactionTimeOut | ❌ | The time your customer has to complete the payment before timing out, in minutes. | Integer | 3 |
We suggest you provide the cancelURL
, pendingURL
and successURL
attribute to redirect your customer to, once you have received the payment result.
Response
Successful request response
- an HTTP code
201
- an
id
which is unique to the payment - we recommend storing the "id" as this can be used to manage the payment later - a
url
to redirect your customer to the APM provider to complete the payment - a link to query the payment status
Example Response for WeChat Pay
{ "paymentId": "nFxASqw-LV9HE_rr1mMONJmqBDeXmnv5dzt9IxAXgXbfpu0O_8mOnTpFSIM9gnTSygCKQgvlwQdUbu5rExIpJA_5Uq2LEGXXAanycRpxfDPNA-E70zIWdnaMb2gJhC8AIhbOkM6xDiVNu90YCXo2snTzi_k1sEOQnKIAJNTW3Qc", "lastEvent": "pending", "_links": { "self": { "href": "https://access.worldpay.com/apmPayments/nFxASqw-LV9HE_rr1mMONJmqBDeXmnv5dzt9IxAXgXbfpu0O_8mOnTpFSIM9gnTSygCKQgvlwQdUbu5rExIpJA_5Uq2LEGXXAanycRpxfDPNA-E70zIWdnaMb2gJhC8AIhbOkM6xDiVNu90YCXo2snTzi_k1sEOQnKIAJNTW3Qc" } }, "_actions": {}, "url": "https://payments.worldpay.com/app/hpp/integration/wpg/corporate?OrderKey=" }
In case of an error, you can get further information in our error reference.
Next Steps