# What is Simmit?

Simmit is an API for running [SimulationCraft](https://simulationcraft.org) in the cloud. It's a public, self-serve API — sign up, get a key, send the same `.simc` profile you'd send to SimC. Simmit runs an unmodified upstream build and returns the exact commit it ran on, so any result is reproducible against local SimC.

## When to use Simmit

In most cases, running SimulationCraft locally is ideal and preferred. Simmit is for projects where integrating SimC locally is awkward or impractical, making it easy to run SimC from anywhere that can make an HTTP request. Some examples of what could be built with it:

- [A Discord bot](https://github.com/voidly-labs/simc-discord-bot) that runs `/sim` and posts DPS back
- An app or website that runs sims for its users and renders the results
- A content pipeline that fans out 1,000+ sims on patch day

Simmit handles VM allocation, parallel fan-out, retries, result storage, and webhook delivery. You pick which [build channel](/docs/api/simc-builds) to run against, and each job includes the upstream commit it ran on.

To get started, check out the [Quick Start](/docs/getting-started/quick-start) guide or dive into the [API Reference](/docs/api-reference).

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