Last updated: November 9, 2026
Is Mux down? User reports show no current problems with Mux
Mux is a video platform for developers, with APIs for uploads, live streaming, playback, and viewer data. This page tracks live Mux status, processing delays, and playback problems reported by users.
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Mux problems reported in the last 24 hours
Most reported problems
All quiet. No issues reported in the last 24 hours.
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How would you rate Mux over the past 3 months?
Most reported locations
Where Mux reports are coming from in the last 24 hours.
No problem locations to show yet. Mux looks fine right now. Locations appear here as soon as users submit reports.
Latest Mux user reports
No reports yet — be the first to report a problem above.
Mux outage history
The biggest Mux outages on record, plus our latest check.
- 28 October 2026. About 3 hours. Video playback and uploads stopped working across Mux while data collection and streaming ran late.
- 12 June 2025. About 3 hours. Live streaming stopped fully and most saved videos would not play during an upstream provider failure.
✓ Our latest check (8 November 2026, 4:30 AM PKT): mux.com answered normally in 141 ms.
Good news. Mux has no reported problems right now. If it is not working for you, report it above and your report will appear here.
Mux uptime and reports
Live report counts and the day by day record for the last 30 days.
User reports received in each period.
Last 30 days, day by day: 11 October 2026 to 9 November 2026
Green: up. Red: outage. Amber: some checks failed. Grey: no record yet.
The daily record builds from today as our checks run. Grey days have no saved record yet. A red day marks a confirmed outage.
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Leave your email and we will tell you when Mux is having problems. One email per outage, no spam.
Mux on social media
An early signal from outside our site, watched in rotation.
Posts on Bluesky saying Mux is down. Checked 8 November 2026, 2:16 PM PKT.
Quiet right now. Nobody on Bluesky is saying Mux is down.
Guides that can fix it
Step by step fixes for the problems people report most.
→ An App Is Not Working? Fixes for Android and iPhone
→ Login Problems That Are Not an Outage
→ How to Clear the Cache in Firefox, Safari and Edge
Is Mux Down Right Now?
No, there is no sign of a Mux outage right now. The API is accepting uploads, assets are finishing, and playback is running for most viewers as normal.
Most Mux trouble hides in one asset or one stream. A video sits in preparing, a signed URL returns an error, or a live stream drops mid-event. If you searched Mux down, find your asset state first, because the state tells you where the fault lives.
Is Mux Down for Me or Everyone?
Upload a short test clip and play it back. If the test works end to end, your account and keys are fine, and the broken asset or its source file is the problem.
If the test also fails, check the live Mux status reports on this page. When many developers report the same failure in the same window, the fault is on the platform side.
Why Is Your Mux Asset Stuck on Preparing?
An asset sits in preparing while Mux reads and converts the source file. Very large files, odd codecs, and damaged files all stretch this stage, and damaged files never finish at all.
Watch the asset state through the API instead of guessing. A healthy asset moves from preparing to ready. One that flips to errored carries an error message that names the real cause.
Why Does Playback Fail With a Signed URL?
Signed playback depends on a token your server builds with a signing key. If the token has expired, or the key pair does not match, every viewer gets an error while the video itself is fine.
Check the token expiry first, because short-lived tokens are the top cause. Then confirm the key ID in your token matches a signing key that still exists in your dashboard.
Why Does Your Live Stream Keep Disconnecting?
Most drops start at the encoder, not at Mux. A bitrate set too high for the upload line makes the encoder fall behind, and the stream falls over when the line dips.
Lower the bitrate, use a wired connection, and let the reconnect window do its job. A stream that reconnects within the window keeps its viewers and its recording.
Common Mux Problems and Fixes
Asset Stuck in Preparing for Hours
Fetch the asset through the API and read its state and error fields. If it is errored, fix the source file and upload again instead of waiting on a dead job.
Asset Errored Right After Upload
Check the source file in a local player first. Corrupt files, unsupported codecs, and files with broken headers fail processing more than any platform fault does.
Viewers Get 403 Playback Errors
Rebuild the playback token with a longer expiry and the current signing key. Then test the exact playback URL your viewers use, not a dashboard preview.
Direct Upload Fails in the Browser
Check the upload settings on your site against the allowed origins in your project. A blocked origin stops the upload before any file data moves.
Live Stream Shows Offline While You Broadcast
Confirm your encoder sends to the right stream key, then lower the bitrate. A key mismatch and an overloaded upload line cause most false offline reports.
Having a problem with Mux?
Comments are public and help others understand the issue.
Frequently Asked Questions
How long does Mux take to process a video after upload?
Short clips are usually ready within a few minutes. Long or very large files take longer, and busy periods add more time. The asset state tells you when it is truly ready.
Why is my Mux video stuck in the preparing state?
The source file is still being read, or the file has a problem that slows processing down. Fetch the asset through the API to see its live state and any error message.
Why do I get a 403 error when playing a Mux video?
Signed playback rejects expired or wrongly built tokens. Check the token expiry and make sure the signing key in the token still exists in your dashboard.
Why did my Mux asset fail with an errored state?
The errored state means processing gave up on the file. Corrupt data, odd codecs, and broken file headers are the usual causes. Fix the source and upload it again.
Why is my live stream offline even though my encoder is running?
Your encoder may be sending to the wrong stream key, or your upload line cannot hold the bitrate. Check the key first, then lower the bitrate and use a wired connection.
Why am I not receiving Mux webhooks?
Check that your endpoint answers quickly with a success status, because slow endpoints get dropped. Then confirm the webhook is switched on for the right environment in your dashboard.