Zitadel tech stack

zitadel.com

Zitadel provides a multi-tenant, API-first identity platform with SDKs for authentication, authorization, and user management. It serves developers building applications for consumers, businesses, and employees.

Summarized from its homepage on 5 Nov 2026.

Classified asIdentity and access

Vendors of Zitadel and the evidence for each

Zitadel declares 3 subprocessors.

VendorCategoryEvidenceLevel

Google CloudCloud and infrastructureConfirmed

Subprocessor listNamed as Google Cloud Platform · Processes data for the company12 Nov 2026Source

Companies using Google Cloud

PostmarkEmail and communicationsConfirmed

Subprocessor listNamed as Postmark (AC PM LLC) · Processes data for the company12 Nov 2026Source

Companies using Postmark

TwillioEmail and communicationsConfirmed

Subprocessor listNamed as Twillio Inc. · Processes data for the company12 Nov 2026Source

Companies using Twillio

CloudflareCloud and infrastructureLikely

Websiteheader: cf-ray: a5928c6bcbb8090c-LAX12 Nov 2026Source

Companies using Cloudflare

Google WorkspaceProductivityLikely

Websitemx: aspmx.l.google.com.12 Nov 2026Source

Companies using Google Workspace

HubSpotCRM and salesLikely

Websitescript: https://js.hsforms.net/forms/v2.js12 Nov 2026Source

Companies using HubSpot

Next.jsDeveloper toolsLikely

Websitescript: /_next/static/immutable/chunks/0xhu2mh--cmvk.js12 Nov 2026Source

Companies using Next.js

VercelCloud and infrastructureLikely

Websiteheader: x-vercel-id: sfo1::fra1::dttsq-1794455175193-a69ac06f12 Nov 2026Source

Companies using Vercel

Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.

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Evidence summary

Subprocessor list: 3
Privacy policy: 0
Website: 5
Job postings: 0

3Confirmed

5Likely

0Possible

Trust center platform: Vanta.

Key vendors

Cloud & data

GTM & operations

Similar stacks

Companies sharing the most canonical vendors with Zitadel.

Baselayer5 shared

SuperTokens5 shared

Authologic4 shared

QueryPie AI4 shared

Supabase7 shared

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