Third Party Index

Lettermint

lettermint.co

Subprocessors

12 third parties. CSV · Atom

NamePurposeLocationListed since
Aikido Continuous security scanning of our infrastructure and source code.; SecurityEurope
Denovit Finance and payments; Tooling for our administrationNetherlands
Dool Administraties Finance and payments; Our accountantNetherlands
Exact Accounting and administration; Cloud-based accounting and financial administration.Netherlands
Mistral AIAI inference; Natural language processing for customer support.Europe
OVH Cloud Cloud provider; Provider for our backup services.Germany
PostHog Product analyticsEEA
Postmastery Cloud monitoring; Deliverability and IP reputation monitoringNetherlands
Slack Collaboration; Internal team communication and collaboration.United States
Stripe Finance and payments; Payment processingUnited States / EEA
UpCloud Cloud provider; Provider for our Private Cloud infrastructureNetherlands
Vanta Continuous security and compliance monitoring; SecurityEurope

Listed as a subprocessor by (1)

1 company

Compliance

Certified
Says it complies with

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

Service status

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

90 days agotoday

  • 5 incidents in 90 days
  • 2 major or critical
  • 3 h 7 min typical time to resolve
  • 3 h 7 min longest major
BeganIncidentImpactLasted
Widespread platform outagecritical3 h 7 min
API and SMTP relay degradationminor—
[Blocklist] Broadcast IP blocked with Outlook OLCminor24 h 9 min
Intermittent Timeouts Retrieving Inbound Emails and Attachmentsminor3 h 3 min
API availability issuesmajor—
Increased error rates on the dashboard and Team APIminor25 min
Elevated 500 errors with API authenticationmajor—
[Ratelimit] Delayed sending to Outlook OLCno impact stated7 h 45 min

Incidents per month

0 4 8 Dec 2025: 2 incidents (1 critical, 1 major) · partial: our history begins Dec 10 · typical time to resolve 1 h 12 min Jan 2026: 3 incidents (1 major, 2 minor) · typical time to resolve 1 h 4 min Feb 2026: 3 incidents (1 major, 1 minor, 1 no impact stated) · typical time to resolve 2 h 6 min Mar 2026: 3 incidents (2 major, 1 minor) · typical time to resolve 1 h 19 min Apr 2026: 1 incident (1 minor) · typical time to resolve 1 h 48 min May 2026: 1 incident (1 minor) · typical time to resolve 2 h 20 min Jun 2026: 7 incidents (1 critical, 1 major, 3 minor, 2 no impact stated) · typical time to resolve 7 h 45 min Jul 2026: 2 incidents (1 major, 1 minor) · typical time to resolve 3 h 3 min Aug 2026: 1 incident (1 minor) · typical time to resolve 24 h 9 min Sep 2026: 2 incidents (1 critical, 1 minor) · typical time to resolve 3 h 7 min Dec 2025Jan 2026Feb Mar Apr May Jun Jul Aug Sep

critical major minor no impact stated before or partly before our history

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

Changes

None since tracking began.

Rating badge for Lettermint's site

Lettermint transparency rating

It updates with the rating.

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