Usage Limitations
UAPIGateway has certain limitations on the use of resources, including the number of group/API definitions, URI length, number of parameter mappings, number of custom domain names, number of back-end definitions, etc.
- For resource definition restrictions, if the quota is exceeded, an error will be reported when creating the number in the console
- For resource usage restrictions, such as QPS, Header size, etc.; errors will be returned by the gateway during use.
| Category | Limitation | Can be Increased |
|---|---|---|
| Number of API groups | 50 | Yes |
| Number of APIs in each API group | 50 | Yes |
| Number of custom domain names of the API group | 50 | Yes |
| Number of back-end services of the API | 5 | Yes |
| Number of custom error codes of the API | 50 | No |
| Number of parameters of the API parameter mapping | 50 | No |
| Number of HTTP Headers for calculating signatures | 10 | No |
| Request URL length limitation | 4KB | No |
| Request HTTP Header size limitation | 4KB | No |
| Request HTTP Body size limitation | 4MB | No |
| Response HTTP Header size limitation | 4KB | No |
| Response HTTP Body size limitation | 8MB | No |
| QPS of each API group | 1000 | No |