Technical
Push Notifications
Diagnostics
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?
- Why do messages arrive not in order
- 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
Errors
- ★ I’m seeing errors in my browser console saying that I can’t reach stats.pusher.com
- ★ What is meant by Error 1006?
- I receive "Invalid signature: Expected HMAC SHA256" error – what is that?
- We are seeing timeouts from the pusher API
- Invalid key in subscription auth data
- What does the "Cannot read property 'host' of undefined" error thrown by pusher-js mean?
WebHooks
- My server is not receiving Webhooks I expect to receive. What’s going on?
- 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
- ★ Does Pusher Channels work in Mainland China?
- ★ WebSocket is closed before the connection is established
- ★ What Firewall settings should I set up to ensure that a client can connect to Pusher?
- Why don’t I receive notifications when my IOS or Android app is in the background
- Pusher connections over 3G/Mobile/Cellular networks
- How can I detect Flash fallback problems?
General
Legal
Troubleshooting
Miscellaneous
Frequently Asked Questions
- ★ How do I implement message (event) history?
- ★ How can I add one-to-one private chat to my web application?
- ★ How are connections counted?
- I’m having problems with the reliability of my clients connections to Pusher, what can I do?
- Why am I seeing more connections than I expect?
- Why the connection count in the dashboard is much higher than the user counting in Google Analytics?
Tips & Tricks
Accounts
General
Coupon redemption
Restrictions
Billing
- ★ How does my plan level affect the limits of my apps?
- ★ How is my message count calculated?
- Why is the downgrade button not working?
- How can I get the statements for my account?
- How can I update my billing information?
- Can I pay via Paypal?