Video API: integrate real-time communication programmatically

Embed video conference API in your application

Common search intents — integrate video room API, embed video room API, embed video conference API — map to the same architecture:

1. Your backend calls the video API to create a room and issue a signed token;
2. Your frontend loads an iframe or JavaScript SDK with that token;
3. Media flows through WebRTC infrastructure (SFU + TURN), not through the REST API itself.

This pattern lets developers embed video conference API capabilities without building SFU/TURN from scratch.

What operations does a video API cover?

Video API vs SDK vs iframe

Typical API architecture

Business application (CRM, portal)
    ↕ REST API (HTTPS)
Video API server
    ↕ Signaling (WSS)
WebRTC infrastructure (SFU, TURN)
    ↕ Webhooks
Business application (events)

The API does not carry video streams: it orchestrates the session. Streams flow through WebRTC and the SFU.

Developer journey: create a room, then embed it

A typical integrate video room API flow takes two calls plus one embed. First, your backend creates a room and receives an identifier:

# 1. Create a room (server-to-server, API key)
curl -X POST https://api.example.com/v1/rooms \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name": "support-ticket-4821", "maxParticipants": 4, "recording": false}'
# → { "roomId": "r_9f3a...", "createdAt": "..." }

Then it issues a short-lived, scoped token for one participant:

# 2. Issue a signed JWT token for a participant
curl -X POST https://api.example.com/v1/rooms/r_9f3a.../tokens \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"identity": "agent-42", "scopes": ["publish", "subscribe"], "ttl": 3600}'
# → { "token": "eyJhbGciOiJ..." }

Finally, your frontend embeds the video room with that token — no SFU/TURN code on your side:

<!-- 3. Embed the room in your portal -->
<iframe
  src="https://video.example.com/room/r_9f3a...?token=eyJhbGciOiJ..."
  allow="camera; microphone; display-capture; fullscreen"
  style="width:100%; height:600px; border:0;">
</iframe>

For full UX control, load a JavaScript SDK with the same token instead of an iframe. Either way, media travels over WebRTC, while the REST API only orchestrates.

API security and authentication

• JWT tokens: temporary access, scopes (publish, subscribe, moderate);
• API keys: server-to-server authentication;
• SSO / OIDC: enterprise identity federation;
• Rate limiting: abuse protection.

Video API and sovereignty

The API runs on the same infrastructure as SFU/TURN. For sovereignty:

• API hosted in France;
• Logs and webhooks in the EU zone;
• No transit through unmanaged US API gateways.

Optimize end-to-end latency with WebRTC latency tuning and auditable open-source stacks when sovereignty requires code review.

Integration examples

• Customer portal: “Start a video session” button → API creates room + token → iframe;
• CRM: “session ended” webhook → customer record update;
• After-sales support: remote diagnosis before dispatch — see customer video support;
• Calendar: booked slot → auto video link (see mes-rdv.fr).

Full business use cases live on dedicated products, not leagora.io.

Where the API sits in the stack

Business application (CRM, portal, ERP)
    ↕ REST API (HTTPS) — orchestration
Video API server + signaling (WSS)
    ↕ ICE / STUN / TURN — connectivity
SFU — multi-party media distribution
    ↕ Webhooks (HTTPS)
Business application — events and SI updates

Three distinct responsibilities:

• REST API: create sessions, authenticate, configure;
• Signaling (WSS): SDP exchange, presence, real-time moderation;
• SFU / TURN: encrypted media transport (DTLS-SRTP).

A well-documented API describes the full chain, not just its endpoints.

→ Detailed architecture: video architecture.

Video API selection criteria

A video API does not replace the SFU: it orchestrates it. Without full-chain documentation, integration remains a black box.

What IT and dev teams should require

Before validating a video API, ask for:

• OpenAPI specification (or equivalent) with a test sandbox;
• Architecture diagram: API, signaling, SFU, TURN, storage;
• Webhook integration guide: events, signatures, retry, idempotence;
• Rate limiting policy and quotas per environment;
• Location of API, logs and webhooks (DPA, subprocessors);
• Isolated environments (sandbox / production) with separate data;
• SLA and observability: API latency, error rate, session ↔ webhook correlation.

Without a testable sandbox, the POC becomes a bet on marketing documentation.

Integration best practices

• Short tokens: limited lifetime, renewal for long sessions;
• Idempotence: idempotency key on room creation to avoid duplicates;
• Secrets: API keys server-side only;
• Webhooks: verify signature, respond 200 quickly, process async;
• Errors: explicit HTTP codes (401, 403, 429, 503) with actionable messages;
• Environments: sandbox separate from production;
• Compliance: API logs in EU zone, retention aligned with GDPR;
• Network: validate STUN/TURN in parallel with API integration — a perfect API does not compensate for a misconfigured firewall.

Symptoms of a poorly integrated or documented API

How does Leagora expose its video API?

REST API for session management, webhooks, signed tokens. Integration with sovereign WebRTC infrastructure. Contact for technical documentation.