A dedicated instance is an advanced instance of API Gateway. Its underlying resources are exclusive to one user. Compared with shared instance, it can provide higher performance and SLA guarantee and thus is more suitable for use in production environments by large-sized customers. For the differences between shared and dedicated instances, see Instance Selection.
This document describes the billing modes and rules of dedicated instances.
Billable items of API Gateway dedicated instance include instance fees and public network outbound traffic fees.
Instances can be billed in a monthly subscribed or pay-as-you-go manner as compared below:
|Instance billing mode||Monthly subscription||Pay-as-You-Go|
|Payment mode||Prepaid||Fees are frozen upon purchase and settled hourly|
|Minimum use duration||One month||Billed by second and settled by hour. You can purchase or release resources at any time|
|Application scenario||Suitable for businesses with stable and long-term device demands||Suitable for scenarios where the demand for devices fluctuates significantly, such as flash sale campaigns on an e-commerce site|
Public network outbound traffic refers to the outbound traffic from API Gateway to client. It is pay-as-you-go by the used public network traffic and settled hourly.
If you have purchased an outbound traffic resource pack, the outbound traffic in the pack will be deducted first during the pack's validity period, and excessive traffic will be pay-as-you-go. For more information, see Resource Pack (Prepaid).
|Billable Item||Meaning||Billing Description|
|Private network outbound traffic||Traffic generated by data transferred from API Gateway to the backend business over the Tencent Cloud private network||Free of charge|
|Private network inbound traffic||Traffic generated by data transferred from the client to API Gateway over the Tencent Cloud private network||Free of charge|
|Public network outbound traffic||Traffic generated by response data returned from API Gateway after data is transferred from the client to API Gateway over the internet||It is billed hourly and calculated by multiplying the unit price of each GB by the accumulative outbound traffic in an hour.|
|Public network inbound traffic||Traffic generated by data transferred from the client to API Gateway over the internet||Free of charge|