ZITADEL

zitadel.com

ZITADEL declares 3 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They are Google Cloud, Twilio and Postmark. No published changes since we first read it on Sep 23, 2026.

Subprocessors CSV of ZITADEL's subprocessors · Atom feed of ZITADEL's subprocessors DORA draft CSV of ZITADEL's subprocessors as declared by ZITADEL what's this? · 

3 third parties.

NamePurposeLocationListed since
Google Cloud Platform Google Cloud Platform is our cloud infrastructure provider for Zitadel Cloud. Data is stored in regions as designated by the customer.; [Zitadel Cloud] Cloud providerDesignated by customer
Postmark (AC PM LLC)
We use Postmark to send transactional mails to clients. Your data might be processed by Postmark when using our services, especially when you have not configured your own SMTP service.; [Zitadel Cloud] Transactional emails (Optional)
USA
Twillio Inc.
Twilio provides SMS messaging services for Zitadel Cloud. In case you have not configured your own message gateway in Zitadel Cloud, your data will be processed by Twilio when using features that rely on SMS communication.; [Zitadel Cloud] Communication (Optional)
USA

Web TechnologiesCSV of ZITADEL's web technologies · Atom feed of ZITADEL's web technologies

ZITADEL's homepage made 95 requests to 5 domains, and 3 services controlled by another company.

Analytics (2): reviewed: Mixpanel; usually detected as Analytics: HubSpotOther (1): usually detected as CMS: Sanity

3 third parties by category: Analytics 2Other 1

Third parties 3 · 22 requests
Sanity sanity.io 20% of the page's requests 19
HubSpot hsforms.net, hubspot.com 2% of the page's requests 2
Mixpanel mixpanel.com 1% of the page's requests 1
First party 1 · 73 requests
ZITADEL Font Awesome HSTS HubSpot Next.js 16.4.3 Next.js App Router Open Graph Plausible Priority Hints React Sanity Sanity.io Turbopack Vercel Vercel Speed Insights 1.3.1 Webpack 77% of the page's requests 73

3 tracked companies loaded by the homepage are not in ZITADEL's subprocessor list. A website can use a service without it processing customer data.

ComplianceCSV of ZITADEL's compliance · Atom feed of ZITADEL's compliance

Certified
Says it complies with

Certifications as ZITADEL's trust center lists them; reports are usually shared on request (evidence)

Service statusCSV of ZITADEL's status page incidents · Atom feed of ZITADEL's status page incidents

Aug 15: no incident reportedAug 16: no incident reportedAug 17: no incident reportedAug 18: no incident reportedAug 19: no incident reportedAug 20: no incident reportedAug 21: no incident reportedAug 22: no incident reportedAug 23: no incident reportedAug 24: no incident reportedAug 25: no incident reportedAug 26: no incident reportedAug 27: no incident reportedAug 28: no incident reportedAug 29: no incident reportedAug 30: no incident reportedAug 31: no incident reportedSep 1: no incident reportedSep 2: no incident reportedSep 3: no incident reportedSep 4: no incident reportedSep 5: no incident reportedSep 6: no incident reportedSep 7: 1 incident (1 major)Sep 8: no incident reportedSep 9: 1 incident (1 major)Sep 10: no incident reportedSep 11: no incident reportedSep 12: no incident reportedSep 13: no incident reportedSep 14: no incident reportedSep 15: no incident reportedSep 16: no incident reportedSep 17: no incident reportedSep 18: no incident reportedSep 19: no incident reportedSep 20: no incident reportedSep 21: no incident reportedSep 22: no incident reportedSep 23: no incident reportedSep 24: no incident reportedSep 25: no incident reportedSep 26: no incident reportedSep 27: no incident reportedSep 28: no incident reportedSep 29: no incident reportedSep 30: no incident reportedOct 1: no incident reportedOct 2: no incident reportedOct 3: no incident reportedOct 4: no incident reportedOct 5: no incident reportedOct 6: no incident reportedOct 7: no incident reportedOct 8: no incident reportedOct 9: no incident reportedOct 10: no incident reportedOct 11: no incident reportedOct 12: no incident reportedOct 13: no incident reportedOct 14: no incident reportedOct 15: no incident reportedOct 16: no incident reportedOct 17: no incident reportedOct 18: no incident reportedOct 19: no incident reportedOct 20: no incident reportedOct 21: no incident reportedOct 22: no incident reportedOct 23: no incident reportedOct 24: no incident reportedOct 25: no incident reportedOct 26: no incident reportedOct 27: no incident reportedOct 28: no incident reportedOct 29: no incident reportedOct 30: no incident reportedOct 31: no incident reportedNov 1: no incident reportedNov 2: no incident reportedNov 3: no incident reportedNov 4: no incident reportedNov 5: no incident reportedNov 6: no incident reportedNov 7: no incident reportedNov 8: no incident reportedNov 9: no incident reportedNov 10: no incident reportedNov 11: no incident reportedNov 12: no incident reported

90 days agotoday

  • 2 incidents in 90 days
  • 2 major or critical
  • 7 h 10 min typical time to resolve
  • 7 h 10 min longest major
BeganIncidentImpactLasted
Partial Outage in the US regionmajor1 h 3 min
Partial Outage in CHmajor7 h 10 min
Investigating Potentially Degraded Performanceminor3 h 16 min

Incidents per month

0 2 4 Dec 2025: 0 incidents Jan 2026: 0 incidents Feb 2026: 0 incidents Mar 2026: 0 incidents Apr 2026: 0 incidents May 2026: 0 incidents Jun 2026: 1 incident (1 minor) · typical time to resolve 3 h 16 min Jul 2026: 0 incidents Aug 2026: 0 incidents Sep 2026: 2 incidents (2 major) · typical time to resolve 7 h 10 min Oct 2026: 0 incidents Nov 2026: 0 incidents Dec 2025Jan 2026Feb Mar Apr May Jun Jul Aug Sep Oct Nov

critical major minor no impact stated

As ZITADEL's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)

Incidents reported by ZITADEL's subprocessorsCSV of incidents reported by vendors ZITADEL lists · Atom feed of incidents reported by vendors ZITADEL lists

193 reported incidents in the last 30 days, by 2 of the vendors ZITADEL lists as subprocessors.

A subprocessor list names a company, not the service an incident touched. This does not show that ZITADEL was involved.

DateCompanyIncidentImpactLasted
TwilioMMS Delivery Failures from Twilio to GCI United States minor3 min
TwilioSMS Delivery Failures from Twilio 10DLC to AT&T United States minor4 h 3 min
TwilioSMS Delivery Failures from Twilio to Orange Sierra Leone minorongoing
TwilioSMS Delivery Failures From Long Code Numbers to AT&T in the US minor1 h 19 min
TwilioSMS Delivery Delays from Twilio to MTS Kazakhstan minorongoing
TwilioSMS Delivery Failures from a Subset of Twilio Phone Numbers to Tcell Tajikistan minorongoing
TwilioMMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States minorongoing
TwilioSMS Delivery Failures from a Subset of Twilio Phone Numbers to K-Cell Kazakhstan minor7 h 23 min
TwilioVoice Call Failures in JP1 minor3 h 51 min
TwilioSMS Delivery Failures from Twilio to Turkcell Turkey minor3 h 54 min
TwilioRetroactive Incident Impacting Twilio Usage APIs no impact stated1 min
TwilioIssue resolved minor1 h 43 min
TwilioSMS Delivery Receipt Delays from Twilio Phone Numbers to Movistar Venezuela minor3 h 26 min
TwilioGateway API (Lookup API) Failure Increase on Verizon in United States minor10 h 23 min
TwilioWhatsApp Business API Message Send Failures minor16 h 29 min
TwilioVoice Call Failures from a Subset of Twilio Phone Numbers to Chile minor19 h 20 min
TwilioVoice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom minor5 h 18 min
TwilioSMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Italy minor3 h 14 min
TwilioSMS Delivery Delays and Failures from Twilio to Spusu United Kingdom minor3 h 26 min
TwilioSMS Delivery Receipt Delays from Twilio to Bouygues Telecom France minor13 h 31 min
TwilioSMS Delivery Failures from Network Subscribers in Germany to a Subset of Twilio Long Codes minor8 h 40 min
TwilioSMS Delivery Failures from Twilio to ETL Laos minor16 h 8 min
TwilioSMS Delivery Failures from Twilio to MTN Nigeria minor6 h
TwilioSilent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EnStream in Canada minor14 h 12 min
TwilioSMS Delivery Receipt Delays from Twilio to Globe Philippines minor13 h 16 min

And 168 more. All of them: CSV · Who is around them.

ChangesCSV of ZITADEL's changes · Atom feed of ZITADEL's changes

See the list as we read it on any date: Time machine

None since tracking began.

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ZITADEL transparency rating

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