Open beta
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One account for sandbox runs, structured verdicts, and production keys. No credit card.
8 languages Kernel-isolated Free open beta
submit.sh
$ curl -X POST api.rustbox.sh/api/submit \
-d '{"language":"python","code":"print(42)"}'
ACstdout "42"20 ms wall · 13 ms cpu
Dashboard access
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Use a connected account - we provision your workspace, keys, and sandbox quotas on first sign-in.