Streaming API Overview

Source: https://docs.heygen.com/docs/streaming-api Generated: 2025-09-18 10:56:14

Getting Started

• Quick Start

Generate and translate videos

• Create Avatar Videos __
  • Customize Video Background
  • Using Audio Source as Voice
  • Create Videos with Your Personal Avatar and Voice
  • Create Transparent Avatar Videos in WebM Format
• Generate Video from Template __
  • Replace Image in Template
  • Replace Video in Template
  • Replace Avatar in Template
  • Replace Text/Voice in Template
  • Replace Audio in Template
  • Swap Image and Video in Template
  • Fit Property in Template
  • Video Playback Styles in Template
  • Guide: Simple Python App for Generating Videos from HeyGen Templates
• HeyGen's Webhook Events __
  • Write Your Endpoint To Process Webhook Events
• Video Translate API
• Photo Avatars API __
  • Generate AI Avatar Photos
  • Create and Train Photo Avatar Groups
  • Add Motion and Sound Effects to Your Photo Avatar
  • Create Videos with Photo Avatars

streaming with interactive avatars

• Streaming API Overview __
  • Streaming API Integration: using LiveKit
  • React Native Integration with Streaming API + LiveKit
  • Session Management Best Practices
• Streaming Avatar SDK __
  • Streaming Avatar SDK API Reference
  • Demo: Interactive Avatar NextJS __
• Demo: Create a Vite Project with Streaming SDK __
  • Integrating OpenAI Assistant with Streaming SDK
  • Adding Speech-to-Text Integration to Demo Project
  • Adding Built-in Voice Chat Integration to Demo Project
  • Adding Chroma Key to Streaming Demo Project
• Demo: Create an iOS App featuring Interactive Avatar
• Firewall Configuration
• Interactive Avatar API - Avatar Version Deprecation Notice

Automate with HeyGen API

• Zapier Integration __
  • Create an Avatar Video with Zapier
  • Create a Video From Template with Zapier
• Personalized Video __
  • Create personalized video template
  • Generate personalized videos from template via Google Sheets + Zapier
  • Generate personalized videos from template via API __
  • Deliver personalized videos via mail merge with Gmail
  • Deliver personalized videos via HubSpot email
  • Automatically generate and deliver personalized videos via HubSpot + Zapier
  • Upcoming changes to personalized video (Jan, 2025)
  • Sending Personalized Videos with the HeyGen HubSpot app
• Bulk Video Translation

Other guides

• HeyGen OAuth __
  • Connecting Your App to HeyGen with OAuth 2.0
• HeyGen MCP Server