Dendri

dendri.dev · checked 11 Oct 2026

#24 · Chat APIs

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How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on Chat APIs5.8#24 of 32

Dendri provides peer-to-peer realtime features for apps, including presence, cursors, chat, video, and live document sync over WebRTC.

Pricing

CommunityFree, forever · Unlimited peers and rooms · Bring your own TURN · Docker / Podman deploy · Community supportFree
Starter$29/mo · 500 concurrent connections · 50 GB TURN bandwidth · 50 rooms · 3 API keys · Email support · 99.5% SLA$29/mo
Commercial licenseCustom · Closed-source server modifications · Predictable flat pricing · Direct support from maintainersOn request
EnterpriseCustom · Dedicated capacity · Higher TURN throughput · Custom SLA · Priority supportOn request

As dendri.dev lists them, checked 11 Oct 2026.

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Runs on

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Windows
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Linux
iOS
Android

Facts

Website: dendri.dev
Price: Free tier · from $29/mo
Free trial: Not stated
Connection fallback: Connections can fall back from direct WebRTC through STUN and TURN to an encrypted TLS relay.
Document sync: The @afterrealism/dendri-y package bridges Yjs documents over Dendri rooms for collaborative editing.
Encryption: On the TLS relay tier, payloads are sealed in the browser with ECDH and AES-GCM before reaching the server.
Framework integrations: Official client bindings are provided for React, Vue, and Svelte.
Hosted service: Dendri's Cloud offering provides managed signaling and TURN with an API key delivered by email after checkout.
Infrastructure: The self-hosted signaling server is a Rust binary backed by Redis and can be run with Docker or Podman.
Intended uses: Dendri describes use cases including collaborative apps, multiplayer games, and private file transfer.
Licensing: The client SDKs use Apache-2.0 and the signaling server uses AGPL-3.0; Afterrealism offers a commercial license for private server modifications.
Room limits: The homepage says data rooms support up to 50 peers by default and recommends 2 to 6 peers for video calls.
Rooms and presence: It supports star-topology rooms, host migration, and typed presence for each peer.
Support: The hosted Starter plan includes email support and a 99.5% SLA; Community includes community support.

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