Outage in Zipwhip
SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04).
Resolved MinorIncident Report
We are experiencing SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04). Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hours, or as soon as more information becomes available.
Need to monitor Zipwhip outages?
- Monitor all your external dependencies in one place
- Get instant alerts when outages are detected
- Be the first to know if service is down
- Show real-time status on private or public status page
- Keep your team informed
Latest Updates ( sorted recent to last )
RESOLVED
about 1 month ago - at 02/09/2026 04:26AM
We are no longer experiencing SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04). This incident has been resolved.
MONITORING
about 1 month ago - at 02/09/2026 02:33AM
We are observing recovery in SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04). We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours, or as soon as more information becomes available.
MONITORING
about 1 month ago - at 02/09/2026 12:33AM
We are observing recovery in SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04). We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours, or as soon as more information becomes available.
INVESTIGATING
about 1 month ago - at 02/08/2026 10:50PM
We continue experiencing SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04). Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours, or as soon as more information becomes available.
INVESTIGATING
about 1 month ago - at 02/08/2026 09:49PM
We are experiencing SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04). Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hours, or as soon as more information becomes available.
Latest Zipwhip outages
SMS Delivery Delays from Twilio to Vodacom Tanzania - about 3 hours ago
SMS Delivery Delays from Twilio to Airtel Nigeria - about 7 hours ago
On Call Engineers are Investigating - about 18 hours ago
User Authentication Identity API Errors for XL Axiata in Indonesia - about 19 hours ago
SMS Delivery Delays to Telekom in South Africa - 1 day ago
Stop wasting hours on 'is it us or them?'
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6020 services available
Integrations with
