Request Access
Rustbox is in open beta. We are onboarding teams who need secure, fast code execution via API.
What the beta includes
Section titled “What the beta includes”- Full API access (submit, poll, webhooks, sync mode)
- Judge profile included, Executor profile on request
- All 8 supported languages: Python, C, C++, Java, JavaScript, TypeScript, Go, Rust
- 36ms median latency, 148 executions/second throughput
- HMAC-signed webhooks (Standard Webhooks spec)
Request access
Section titled “Request access”Visit rustbox.orkait.com to request your API key. We typically provision keys within 24 hours.
Rate limits
Section titled “Rate limits”During the open beta, the following limits apply:
| Tier | Requests/min | Concurrent executions | Max code size |
|---|---|---|---|
| Beta | 60 | 10 | 64 KB |
Rate-limited requests receive a 429 response with a Retry-After header. If you need higher limits for evaluation, reach out to us.
Fair use
Section titled “Fair use”The open beta is free. We ask that you:
- Do not use the platform for cryptocurrency mining, denial-of-service attacks, or generating malicious payloads
- Do not attempt to circumvent sandbox isolation (we welcome responsible disclosure - reach out if you find something)
- Keep usage within the published rate limits
We reserve the right to revoke access for abuse. Beta terms available on request - email [email protected].
Supported languages
Section titled “Supported languages”| Language | Aliases |
|---|---|
| Python | python, py |
| C | c |
| C++ | cpp, c++, cxx, cc |
| Java | java |
| JavaScript | javascript, js |
| TypeScript | typescript, ts |
| Go | go |
| Rust | rust, rs |
All languages are available in the Judge profile. Executor profile available on request.