Restate Raises $20M Series A to Expand Durable Workflow Infrastructure for AI Agents
Restate says AI agents are a strong fit for its durable-execution platform, which automatically recovers multi-step workflows after failures. Its $20M Series A, led by Singular, will fund hiring, engineering and a Bay Area office.
Berlin-based startup Restate announced in September 2026 that it has raised a $20 million Series A round led by Singular, with participation from Redpoint Ventures and Capital One Ventures. The funding will support hiring, engineering growth, and an expanded office in the San Francisco Bay Area.
Restate builds durable execution infrastructure — software that ensures multi-step workflows can recover automatically if something fails mid-process. Co-founder and CEO Stephen Ewen said the technology has found a strong fit with AI agent workflows, which run longer and follow less predictable paths than traditional software. “It never was built for agents in the beginning, but it just happened to be a perfect match for all these problems that agents surface,” Ewen told TechCrunch.
The company was founded in 2022 by Ewen, Igal Shilman, and Till Rohrmann — former colleagues from Data Artisans and Ververica, two companies built around the Apache Flink open-source stream-processing framework. Ewen was a co-creator of Apache Flink and served as CTO at both organizations before co-founding Restate.
Unlike competing systems that layer durability on top of an external database, Restate built its own storage, replication, and redundancy layers. Ewen says this makes the system faster and more cost-effective, enabling use cases beyond the heavy-weight workflows that durability engines typically handle. Customers include vibe coding platform Replit and unnamed Fortune 500 companies in the financial sector. Over recent months, Restate has closed multiple six- and seven-figure customer contracts.
The raise positions Restate against Temporal, the current market leader in durable infrastructure, which announced a $550 million Series E at a $12.55 billion valuation earlier in September 2026.
Ewen suggested the technology’s relevance may extend well beyond tech companies. “If we fast-forward a couple of years, it’s one of those tools, like a database, that I think pretty much any company will have a use case for, no matter their shape and size,” he said.