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Event Sourcing Simplified

DeltaBase is a fully managed, serverless event store that works out of the box, so you can focus on building apps.

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Event Sourcing Without the Headaches

Building event-sourced apps means either maintaining your own infrastructure on top of databases or using traditional solutions that don't work with serverless.


DeltaBase takes care of all that set-up so you can focus on building features.

⚙️ Zero Setup

Deploy a production-ready event store in under 5 minutes

⚡ No Infrastructure

Fully managed service built on Cloudflare's edge network

📦 Complete Package

All you need out of the box - event store, real-time subscriptions, and monitoring

🧑‍💻 Developer Experience

Beautiful CLI, type-safe APIs, and local-first development

Everything You Need, Nothing You Don't
Global by Default
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Built on Cloudflare’s edge network, your events are instantly distributed worldwide - No multi-region setups, no extra config

Development That Just Works
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Start building locally with our CLI. Develop offline, sync when ready. No complex setup required.

DeltaPanel for Visualization & Control
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A comprehensive web-based dashboard to visualize, inspect, and manage all your event stores in real time-across all tenants, teams or applications.

Offline-First
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Automatic IndexedDB sync keeps your apps running smoothly even when users go offline.

Zero Infrastructure
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No servers or containers to maintain. Scale to zero when idle, and handle any load without provisioning a single VM.

Seamless Integrations
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Works with AWS Lambda, Cloudflare Workers, and Azure Functions. Integrate with your existing microservices effortlessly.

Built for Developers
Comprehensive Event Sourcing

Append-only streams with optimistic concurrency, built-in versioning and global event indexing ensure data integrity and easy cross-stream queries.

Beautiful CLI & Local Dev

Spin up entire environments offline with a simple command. Deploy globally in seconds-no config files to wrangle

Type-Safe APIs

Full TypeScript coverage for both server and client, so you can code confidently and catch errors before production.

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Built for Modern Architectures
01. Perfect for Multi-Tenant SaaS

Deploy isolated event stores per tenant for perfect data isolation and simpler billing.

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02. Fast and Close to Your Users

Built on Cloudflare's edge network, your events are globally distributed from day one. No more multi-region headaches.

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03. True Serverless

Automatic scaling, no provisioning. You only pay for the events you store and process-no hidden feed or long term commitments.

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Join the Beta Now

Start writing events in minutes.