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Kuzzle Backend

Free#15 of 28 in Backend as a ServiceBackend as a Service (BaaS) Software

Kuzzle Backend: A self-hosted backend for enterprise authentication, realtime data and multi-protocol APIs. Ranked #15 of 28 in Backend as a Service by our editors (7.0/10); pricing: Open source; best for enterprise-authenticated realtime backends.

7.0/10Editor score
Visit Kuzzle
Kuzzle Backend7.0 Visit Kuzzle

At a glance

  • Editor score
    7.0 / 10
  • Pricing
    Open source
  • Best for
    Enterprise-authenticated realtime backends
  • Paid from
    Free
  • Database type
    Document
  • Founded
    2016 · Montpellier, France
  • Facts checked
    21 Sep 2026
Kuzzle Backend screenshot

  • Where it wins

    • OAuth, LDAP, SAML and role-based access control
    • HTTP, WebSocket and MQTT APIs with realtime notifications
    • Node.js extensibility, SDKs and masterless clustering

  • Where it doesn't

    • Document storage is based on Elasticsearch
    • Does not provide generated APIs
    • Commercial support and professional services appear quote-based

Our verdict on Kuzzle Backend

Kuzzle Backend is an open-source backend platform for web, mobile and IoT applications. It combines Elasticsearch-based NoSQL document storage, HTTP, WebSocket and MQTT APIs, authentication, role-based access control, realtime notifications, SDKs and an administration console. Deployment options include cloud infrastructure, Kubernetes, Linux distributions and on-premises environments, with support for web, Windows, Linux, iOS, Android, APIs and self-hosted use. It fits small, mid-market and enterprise teams building connected equipment, IoT ingestion, mobile applications or data-management systems.

The open-source model makes Kuzzle Backend downloadable for self-hosted deployment. The platform includes administration for data, schemas, roles and policies, while commercial support and professional services appear to be quote-based. Its ecosystem includes JavaScript, Dart, C# and Java/Kotlin SDKs, plus Amazon S3 and Prometheus integrations. These options support teams that need to connect application clients, operational monitoring and external storage within a backend architecture.

Kuzzle’s strongest distinction is its enterprise-oriented authentication and realtime feature set. Local, OAuth, LDAP and SAML strategies are paired with roles, profiles and users, while publish/subscribe and database-change notifications address realtime application requirements. The Node.js framework adds controllers, events and plugins, and masterless cluster mode supports scaling and high availability. Choose Kuzzle Backend when enterprise authentication, realtime data and deployment control matter more than generated APIs or a broader integration catalog. Teams seeking a backend centered on generated APIs or storage beyond an Elasticsearch document model should consider alternatives.

Your product? Our editors can test Kuzzle Backend in depth and publish a review, labelled as paid · from $149/mo →

Kuzzle Backend pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.
See plans on kuzzle.io

Kuzzle Backend fact sheet

Free planNot verified
Paid fromFree
Database typeDocument
Authentication methodsEnterprise
Serverless functionsNot verified
Realtime dataYes
File storageNot verified
Automatic APIsNo
Free authentication usersNot verified
DeploymentCloud, Self-hosted
PlatformsWeb, Windows, Linux, iOS, Android
SupportEmail, Community, Docs
Built forSmall business, Mid-market, Enterprise (editorial estimate)
Integrations2 integrations: Amazon S3, Prometheus
PricingOpen source
Websitekuzzle.io
Facts checked21 Sep 2026

Kuzzle Backend integrations

Kuzzle Backend lists 2 integrations on its own site.

  • Amazon S3
  • Prometheus

Alternatives to Kuzzle Backend

See all Kuzzle Backend alternatives →

Also Ranked In

Kuzzle Backend is ranked in 2 of our directories.

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Featured on iTechGuides

Featured on iTechGuides — Kuzzle Backend 7.0/10

Kuzzle Backend is listed in our Backend as a Service directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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