Snapshot
Continue to About ↓- What it does
- Restate is a durable execution runtime for backend services, workflows, and AI agents.
More detail
- Developers keep ordinary application code, and Restate journals each durable step so execution resumes at the first unfinished step after crashes, restarts, or deploys.
- It also bundles keyed state (Virtual Objects), durable queues, timers and signals, flow control, and live execution controls into a single self-contained runtime.
- Best for
- Engineering teams building AI agents, long-running workflows, or stateful microservices who need resilience, per-tenant concurrency control, and low-latency durable execution, including those who want a self-hosted or BYOC deployment model.
- Pricing
- Restate Cloud is described by the vendor as fully managed and free to start, with a free tier that does not require a credit card.
More detail
- Restate BYOC is marketed as up to 10× cheaper at scale compared to alternatives, but this is a comparative claim, not a published price.
- The pricing page did not render
- Main limitation
- Teams wanting a strict workflow-and-activity engine, a drop-in library with no runtime to deploy, or a purely permissively licensed (non-BSL) stack should verify carefully, and teams expecting a Postgres- or Kafka-based design will find it purpose-built.
- Record
- Living and monitored
- Reviewed
- Evidence
- Public web research
- Machine access
- Structured profile ↗
About
- Restate is a durable execution runtime for backend services, workflows, and AI agents.
- Developers keep ordinary application code, and Restate journals each durable step so execution resumes at the first unfinished step after crashes, restarts, or deploys.
- It also bundles keyed state (Virtual Objects), durable queues, timers and signals, flow control, and live execution controls into a single self-contained runtime.
What it helps with
- In-flight work is lost on crashes, restarts, or redeployments without a durable journal and replay.
- Hand-rolled retries, concurrency control, and ordering logic repeatedly break in non-trivial backend code.
- Stateful AI agents and long-running conversations need reliable tool calls and durable sessions.
- Human approvals, webhooks, and callbacks can wait days or months without holding compute.
- Multi-tenant workloads need hierarchical concurrency budgets to control cost and blast radius.
- Live distributed executions are hard to inspect, pause, cancel, restart, or kill without operational tooling.
Capabilities
A practical view of what is available and where limitations apply.
| Offering | Available | Detail |
|---|---|---|
| Durable step journaling and replay | Yes | Records each durable step and its result so recovery resumes at the first unfinished step without repeating completed work. |
| Virtual Objects (durable keyed state) | Yes | Models stateful entities with single-writer semantics per key. |
| Durable RPC, queues, timers, and signals | Yes | Reliable service calls, durable queues, and waits spanning seconds to months without holding compute. |
| Flow control with hierarchical limits | Yes | Concurrency limits can be scoped to tenant, team, user, workload, or downstream dependency. |
| Live execution controls | Yes | Inspect journals and pause, resume, cancel, restart, or kill any execution. |
| Single self-contained binary, no external database required | Yes | Runs as one binary and can scale to a replicated HA cluster with object storage for snapshots; external databases remain optional for application data. |
| Multi-language SDKs | Yes | TypeScript, Python, Java, Kotlin, Go, Rust, and Ruby SDKs under MIT license share one protocol for cross-language calls. |
| Agent and LLM framework integrations | Yes | Vendor lists Vercel AI SDK, OpenAI Agents SDK, Google ADK, Pydantic AI, LangChain, and OpenAI/Anthropic/Gemini model APIs. |
| Vendor-published latency and throughput claims | Unknown | The homepage claims under 10ms P99 durable-action overhead under load and over 100K actions/s in production; these are vendor claims not independently verified in the corpus. |
| Independent third-party review corpus | Unknown | No G2 or TrustRadius review corpus appeared in the research; review-theme claims should be treated as unknown. |
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Evidence
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- Verification
- Scribble researched these facts from the linked public sources.
- The owner has not manually confirmed every field.
- Last reviewed
- Primary source
- restate.dev
Technical profile details
Record ID
1c54685a-334d-4b6c-8235-9c8ceca248a0Canonical URLhttps://profiles.scribble.network/listing/restate-1c54685a