App FAQs
How many apps can I create?
You can create a maximum of 50 apps.
How do I isolate the calling information among the third parties that call the same API through app authentication?
Create multiple apps for different third parties and bind the apps to the same API.
Are there any restrictions on the maximum number of third parties that can call the same app through app authentication?
No restrictions.
Do I need to create an app for an API so that it can be called through app authentication?
Yes, you need to create an app and bind it to the API. After the app is created, an AppKey and AppSecret are automatically created. Provide the AppKey and AppSecret for third parties to call the API.
How can an API be called by third parties through app authentication?
Provide third parties with the AppKey and AppSecret of the app you have created for accessing the API. The third parties then can use the AppKey and AppSecret to call the API through an SDK. For details about how to use an SDK, see
.API Calling FAQs
- What Are the Possible Causes for an API Calling Failure?
- What Should I Do If an Error Code Is Returned During API Calling?
- Why Am I Seeing the Error Message "414 Request-URI Too Large" When I Call an API?
- What Should I Do If "The API does not exist or has not been published in the environment." Is Displayed?
- Why Am I Seeing the Message "No backend available"?
- What Are the Possible Causes If the Message "Backend unavailable" or "Backend timeout" Is Displayed?
- Why Am I Seeing the Message "Backend domain name resolution failed" When a Backend Service Is Called?
- Why Doesn't Modification of the backend_timeout Parameter Take Effect?
- How Do I Switch the Environment for API Calling?
- What Is the Maximum Size of an API Request Package?
- How Do I Perform App Authentication in iOS System?
- Why Can't I Create a Header Parameter Named x-auth-token for an API Called Through IAM Authentication?
- App FAQs
- Can Mobile Apps Call APIs?
- Can Applications Deployed in a VPC Call APIs?
- How Do I Implement WebSocket Data Transmission?
- Does APIG Support Persistent Connections?
- How Will the Requests for an API with Multiple Backend Policies Be Matched and Executed?
- Is There a Limit on the Size of the Response to an API Request?
- How Can I Access Backend Services over Public Networks Through APIG?
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