Live Interactive Video Streaming
Live Interactive Audio Streaming
Agora Video Overview
Generate a Token
Join Multiple Channels
Audio Effects/Mixing File
Custom Audio Source and Renderer
Raw Audio Data
Custom Video Source and Renderer
Raw Video Data
Advanced Stream Management
Device Test and Switch
Camera Exposure and Focus
Quality of Experience
Video Stream Fallback
Build a Student's Client
Build a Teacher's Client
Deal with Autoplay Blocking
Additional Configurations Before Joining a Channel
Video for Multiple Users
Core API Summary
Server RESTful API
SDKs & Code Samples
Restful API (New)
How can I choose the video resolution, frame rate and bitrate?
How can I pass the basic HTTP authentication?
What is the difference between the in-call volume and the media volume?
Does Agora have reconnection mechanisms?
How can I switch the input device during a web call?
Why do errors occur when calling the Stream.init method?
How do I use the Agora Web SDK to interoperate with the Agora Native SDK?
How can I use Agora Web SDK on mobile devices?
How can I set the log file?
How can I use string user names?
What are the common error messages to expect in Web browsers' console logs?
How can I switch between the screen-sharing stream and the camera stream?
How can I set a mirror mode?
Why can't I play the background music using startAudioMixing on Android 10?
Why can't I hear the music when using Unity objects to play the music?
How can I listen for an audience joining or leaving a live broadcast channel?
Troubleshooting token-related errors
How can I implement the call rejection function when the line is busy?
How can a broadcaster change the role of a remote user?
How do I get the user's call duration?
Why is the camera light still on after I disable my video on the Web?
Why can't I get the device ID on Chrome 81?
How can I listen for the status of a user's microphone and camera?
How can I determine whether a call is an audio call or a video call?
Why is my video pixelated or jagged and green?
Noise occurs in a call.
How to solve the problem of low volume?
How can I prevent volume changes when the users switch their roles in a live interactive streaming channel?
Why can't I answer calls through a Bluetooth device after connecting it to an iOS or Android device?
I cannot hear any voice in a call.
Why is my video choppy?
The video is blurry in a call.
How can I fix black screen issues?
I cannot turn on the camera.
Big headshot or letterbox occurs in a call.
The SDK does not send audio/video after the user uses a third-party app.
General product inquiry
What platforms does Agora support?
What products does Agora provide?
Which browsers does the Agora Web SDK support?
How many users can Agora RTC SDK support at the same time?
What is a token? Where can I get a token? When shall I use it?
Which VR headsets are compatible with the Agora Video SDK?
Account & Billing
Agora's free-of-charge policy for the first 10,000 minutes
Billing, Fee Deduction, and Account Suspension
How does Agora calculate service minutes?
Why is no audio or video captured on Android 9 devices?
Why is the audio routing abnormal after the Android device joins the channel?
How can I view Agora API references offline?