Vonage Video API Signaling API

Send server-side signals into a session.

Documentation GitHub OpenAPI

Operations 2

POST /project/{applicationId}/session/{sessionId}/signal Send a signal to all connections in a session #

POST /project/{applicationId}/session/{sessionId}/connection/{connectionId}/signal Send a signal to a single connection #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/vonage-video-signaling-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Vonage Video Archives Signaling API
  description: REST API for the Vonage Video platform (formerly OpenTok / TokBox). The Vonage Video Cloud creates and manages real-time video sessions and provides advanced server-side features including archiving (recording), live streaming broadcasts, signaling, moderation, SIP interconnect, live captions, and the Experience Composer render service. Requests are authenticated with a JWT Bearer token generated from your Vonage application credentials.
  termsOfService: https://www.vonage.com/legal/communications-apis/terms-of-use/
  contact:
    name: Vonage Video API Support
    url: https://api.support.vonage.com/hc/en-us
  version: '2.0'
servers:
- url: https://video.api.vonage.com/v2
  description: Vonage Video Cloud REST API
security:
- bearerAuth: []
tags:
- name: Signaling
  description: Send server-side signals into a session.
paths:
  /project/{applicationId}/session/{sessionId}/signal:
    post:
      operationId: signalSession
      tags:
      - Signaling
      summary: Send a signal to all connections in a session
      parameters:
      - $ref: '#/components/parameters/ApplicationId'
      - $ref: '#/components/parameters/SessionId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SignalRequest'
      responses:
        '204':
          description: Signal sent.
        '403':
          $ref: '#/components/responses/Forbidden'
  /project/{applicationId}/session/{sessionId}/connection/{connectionId}/signal:
    post:
      operationId: signalConnection
      tags:
      - Signaling
      summary: Send a signal to a single connection
      parameters:
      - $ref: '#/components/parameters/ApplicationId'
      - $ref: '#/components/parameters/SessionId'
      - $ref: '#/components/parameters/ConnectionId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SignalRequest'
      responses:
        '204':
          description: Signal sent.
        '403':
          $ref: '#/components/responses/Forbidden'
components:
  parameters:
    ApplicationId:
      name: applicationId
      in: path
      required: true
      description: The Vonage application ID (formerly OpenTok API key).
      schema:
        type: string
    SessionId:
      name: sessionId
      in: path
      required: true
      schema:
        type: string
    ConnectionId:
      name: connectionId
      in: path
      required: true
      schema:
        type: string
  responses:
    Forbidden:
      description: Authentication failed or the JWT is invalid.
  schemas:
    SignalRequest:
      type: object
      required:
      - type
      - data
      properties:
        type:
          type: string
          description: A string identifying the type of signal.
        data:
          type: string
          description: The payload of the signal.
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: A JWT generated from your Vonage application's private key and application ID, sent in the Authorization header.