Technical

Push Notifications

• FCM notifications don't trigger 'onMessageReceived' when in the background state
• Troubleshooting Push Notifications

Diagnostics

• Get Diagnostics For Your PusherJS Setup In 3 Steps
• Get Diagnostics For Your Browser & Network With Our Test App

Publishing/Triggering Events

• ★ How to fix "Timestamp expired" response from REST API when triggering an event.
• ★ What is the message size limit when publishing a message?
• How do I trigger an event from a Bash shell script
• 401 Unauthorized from REST API
• Why do you require server authentication to use client events?

Presence

• ★ Showing who's online with a large number of users
• See the members of a presence channel without appearing in it
• How can my server be notified when users join or leave a presence channel
• User stuck in presence channels
• Why is a channel's subscription count (members.me) higher than I'm expecting?
• Why is there an intermittent delay in receiving channel_vacated and member_removed Presence events?

Subscribing

• Providing a custom authoriser
• Authentication problems with Android library (pusher-websocket-java) and PusherServer (pusher-http-dotnet)
• Why am I receiving "Invalid signature" when subscribing to a private or presence channel?
• Pusher Channel Authentication and Web Framework CSRF Protection

Errors

• ★ What is meant by Error 1006?
• Invalid key in subscription auth data
• What does the "Cannot read property 'host' of undefined" error thrown by pusher-js mean?
• What does the "Unsupported event received on socket <event_name>" error mean?
• What does the "Timestamp expired" response from REST API mean when triggering an event?

WebHooks

• Why is there a delay in receiving member_removed and/or channel_vacated webhooks?
• Developing against, and testing WebHooks
• Why is there an intermittent delay in receiving channel_vacated and member_removed presence events and WebHooks?

Connecting

• ★ WebSocket is closed before the connection is established
• ★ What Firewall settings should I set up to ensure that a client can connect to Pusher?
• Pusher connections over 3G/Mobile/Cellular networks
• How can I detect Flash fallback problems?
• What happens if a user is on a poor connection that occasionally drops? Will they miss messages?
• Why can't I connect to Pusher?

General

Troubleshooting

• Why is my connection count incorrect?
• Messages are not being received by clients
• Pusher : error : Unsupported event received on socket <event_name>
• Safari + "Auto Proxy Discovery" crash

Miscellaneous

• How does Pusher Channels protect against denial-of-service attacks?
• How does Pusher track and use IP addresses?
• Reporting Bugs and Technical Issues
• Are you HIPAA Compliant ?
• Transitioning a live app to a different cluster

Frequently Asked Questions

• ★ How do I implement message (event) history?
• ★ How can I add one-to-one private chat to my web application?
• How do I transfer ownership of an app?
• How do I delete an app using the Pusher Dashboard?
• What does it mean when a plan supports overage?
• Does Pusher work with React Native?

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Tips & Tricks

• Can I manually unsubscribe clients from my server?
• Managing Pusher keys in Mobile Apps
• Using the Pusher debug console and event creator
• Keeping a consistent WebSocket connection over GSM/3G networks

Accounts

General

• How can I delete my account?

Coupon redemption

• How do I redeem a Pusher coupon code?

Restrictions

• Why have I received a usage limit e-mail when my dashboard stats tell me I'm still within my allowance?
• When are "Your account has hit its usage limits for today" emails triggered?

Billing

• ★ How does my plan level affect the limits of my apps?
• ★ How are connections counted?
• ★ How is my message count calculated?
• How can I get the statements for my account?
• How can I update my billing information?
• Can I pay via Paypal?

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