create and configure rooms via the 100ms server-side Room API
domain: 100ms.live · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Generate a management token and call POST https://api.100ms.live/v2/rooms with a name, description, and template_id.
Reference a room template (configured in the 100ms dashboard) to control default recording, roles, and layout settings for the room.
For very large sessions, enable the large_room flag and set a size up to the supported maximum peer count.
Store the returned room ID and use it to generate per-participant auth tokens for joining.
Optionally create rooms via the dashboard instead if you want to set region and enable SFU recording without an API template.
Known gotchas
Templates drive most of the actual room behavior (recording, roles, layout) — creating a room via the API without pointing it at the right template can silently produce a room with defaults you didn't intend.
Large-room mode is a distinct configuration path (the large_room flag plus size), not something you get automatically by requesting a high peer count on a normal room.
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