inngest-steps

Durable workflows are restart-safe processes that re-run non-deterministic code inside discrete steps, ensuring progress even after failures. You need them in TypeScript serverless functions for reliable long-running processes that require retries, timeouts, and event waits.

You build human-in-the-loop workflows by using the waitForEvent step method to pause execution and wait for user approval. This durable approach ensures the TypeScript serverless function resumes reliably even if the process restarts before the event arrives.

Yes, Inngest step methods support parallel workloads across services and polling external APIs. You can use step.run for discrete tracked actions, step.invoke for function composition, and looping patterns to poll services until a condition is met.

Yes, each durable step is automatically retried and tracked. By re-running non-deterministic code inside discrete steps, the workflow ensures reliable progress across failures, making it ideal for long-running TypeScript serverless processes.

The best way to orchestrate multi-step serverless functions without losing state is using durable execution. By leveraging step methods like step.run, step.sleep, and step.sendEvent, workflows maintain progress and recover automatically from failures or restarts.