# 4. APIs (V1) - Deprecated

- [4.1. Converge Payment API](/newpay-api-document/4.-apis-v1-deprecated/4.1.-converge-payment-api.md)
- [4.2. Wechat Payment APIs](/newpay-api-document/4.-apis-v1-deprecated/4.2.-wechat-payment-apis.md): According to the Wechat Official's limit, the payment in Laos is only supported within Mini Program. So your own mini-program is necessary. If you have any special requirements, pls contact us.
- [4.2.1 Flowchart](/newpay-api-document/4.-apis-v1-deprecated/4.2.-wechat-payment-apis/4.2.1-flowchart.md)
- [4.2.2 Place Order](/newpay-api-document/4.-apis-v1-deprecated/4.2.-wechat-payment-apis/4.2.2-place-order.md)
- [4.2.3 Obtain Payment Information](/newpay-api-document/4.-apis-v1-deprecated/4.2.-wechat-payment-apis/4.2.3-obtain-payment-information.md)
- [4.2.4 Example](/newpay-api-document/4.-apis-v1-deprecated/4.2.-wechat-payment-apis/4.2.4-example.md)
- [4.3. Common APIs](/newpay-api-document/4.-apis-v1-deprecated/4.3.-common-apis.md)
- [4.3.1 Inquiry Payment](/newpay-api-document/4.-apis-v1-deprecated/4.3.-common-apis/4.3.1-inquiry-payment.md)
- [4.3.2 Refund](/newpay-api-document/4.-apis-v1-deprecated/4.3.-common-apis/4.3.2-refund.md)
- [4.3.3 Inquiry Refund](/newpay-api-document/4.-apis-v1-deprecated/4.3.-common-apis/4.3.3-inquiry-refund.md)
- [4.3.4 Pre Payment](/newpay-api-document/4.-apis-v1-deprecated/4.3.-common-apis/4.3.4-pre-payment.md)
- [4.3.5 Query User](/newpay-api-document/4.-apis-v1-deprecated/4.3.-common-apis/4.3.5-query-user.md)
- [4.3.6 Transfer](/newpay-api-document/4.-apis-v1-deprecated/4.3.-common-apis/4.3.6-transfer.md)
- [4.3.7 Query Transfer Order](/newpay-api-document/4.-apis-v1-deprecated/4.3.-common-apis/4.3.7-query-transfer-order.md)
- [4.3.8 Order Confirmation](/newpay-api-document/4.-apis-v1-deprecated/4.3.-common-apis/4.3.8-order-confirmation.md)
- [4.4. Callback](/newpay-api-document/4.-apis-v1-deprecated/4.4.-callback.md)