Notes and Constraints¶
Quota Limits¶
To change the default restrictions, contact technical support to increase the quota.
Important
It takes 5 to 10 seconds for a new or modified APIG resource to take effect.
The maximum quota may be slightly exceeded in case of high concurrency, but resource usage will not be affected.
Item | Default Restriction | Modifiable |
|---|---|---|
Gateways | 5 | Y |
API groups | 1500 | Y |
APIs | Number of APIs for each gateway edition:
| Y |
APIs | 1000 for each group | x |
Backend policies | 5 | Y |
Apps (credentials) |
| Y |
Request throttling policies |
| Y |
Environments | 10 | Y |
Signature keys | 200 | Y |
Access control policies | 100 | Y |
VPC channels (load balance channels) | 200 | Y |
Variables | You can create a maximum of 50 variables for an API group in each environment. | Y |
Independent domain names | A maximum of five independent domain names can be bound to an API group. | Y |
ECSs | A maximum of 10 ECSs can be added to a VPC channel. | Y |
Parameters | A maximum of 50 parameters can be created for an API. | Y |
API publication records | A maximum of 10 publication records of an API can be retained for each environment. | Y |
API access rate | Up to 6000 times per second | Y |
Excluded applications (Credentials) | A maximum of 30 excluded apps can be added to a request throttling policy. | Y |
Excluded tenants | A maximum of 30 excluded tenants can be added to a request throttling policy. | Y |
Access to a subdomain name (debugging domain name) | A subdomain name can be accessed up to 1000 times a day. | x |
Maximum size of an API request package | 12 MB | Y |
TLS protocol | TLS 1.1 and TLS 1.2 are supported. TLS 1.2 is recommended. | Y |
Custom authorizers | 50 | x |
Plug-ins | 500 | Y |
HTTP protocol | When the HTTP protocol is used, the maximum size of URL+Header is 32 KB. | x |