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Restate

Restate provides a low-latency durable execution runtime that brings workflow, state, and communication primitives to backend services, AI agents, and serverless functions. Built as a single self-contained binary, it uses a purpose-built distributed log to deliver sub-10ms durability overhead, up to 10× cost savings, and support for 100K+ actions per second. It deploys across self-hosted, BYOC, and managed cloud environments.

Traction –/10
Berlin, Germany · HQ
283K+ followers
  • Developer Tools
  • AI Agents
  • Software Only
  • Artificial Intelligence
  • Enterprise Software
Updated 1 month ago

Funding

Raised to date

$27MRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.

$20M across 1 disclosed round

COEVFC

$20M · Series A

Announced Sep 2026

Disclosed cumulative: $20M

Reported total $27M

Not on chart (date unknown): Seed Not disclosed

Incomplete round history. $7M of the $27M reported total isn’t matched to a known round (1 known round has an undisclosed amount).

Founders

1 founder

Monica Sarbu

CEO & Founder

Product

Problem

Building non-trivial backend logic—such as control planes, workflows, API orchestration, and AI agent loops—requires developers to repeatedly solve the same distributed systems problems, including failure handling, state management, and reliable communication. This complexity forces teams to build custom infrastructure, like poor-man's workflow engines or actor systems, which is time-consuming and error-prone.

Solution

Restate provides a purpose-built runtime for durable execution that goes beyond traditional workflow patterns. It uses a self-contained, log-based architecture where all coordination and durability for invocation life cycles, journals, and embedded K/V state are handled server-side, making services stateless and simple to operate. The platform supports composable building blocks like Virtual Objects for stateful entities, enabling developers to write plain code in familiar languages and add durability in just a few lines. Restate is designed to be fast, with durable actions adding only milliseconds of overhead, and efficient, being up to 10× cheaper than managed alternatives. It can be deployed as a single binary that scales to highly-available clusters, or run in a BYOC model within a customer's own VPC, and supports serverless platforms like AWS Lambda and Cloudflare Workers.

Target Audience

Primary users are backend developers and platform teams building AI agents, workflows, and event-driven services that require durable execution, particularly those in financial services, healthcare, and other industries with strict reliability and data sovereignty requirements. Notable customers include Replit, which moved its Replit Agent execution onto Restate, and a Fortune-100 US bank using Restate for treasury workflows.

Features

  • Durable Execution: automatically retries and recovers from failures without repeating completed steps, ensuring consistent execution history for AI agents and workflows
  • Virtual Objects: stateful entities keyed by ID with durable state and one write handler per key, ideal for chat sessions, agent context, or custom queues
  • Low latency: durable actions add only milliseconds of overhead, with P99 latency overhead under load and support for over 100K actions per second
  • Single binary deployment: easy to deploy and scales to highly-available clusters, with options for managed cloud, BYOC, or self-hosted environments
  • Purpose-built distributed log (Bifrost): embedded replicated log with object store snapshots, providing strong consistency without layering on a database
  • Language and SDK agnostic: SDKs for TypeScript, Java, Kotlin, Python, Go, and Rust, and works with any LLM SDK including OpenAI, Anthropic, and Vercel AI SDK
  • Production safety features: approvals, timeouts, rollbacks, and escalation mechanisms without requiring callback plumbing
  • Direct FaaS support: deploy durable execution on AWS Lambda, Cloudflare Workers, Vercel, and Deno Deploy
This profile is AI-generated and may contain inaccuracies.