aid: heygen name: HeyGen description: >- HeyGen is an AI video generation platform that creates studio-quality avatar videos, voice clones, and translated video content from simple text prompts. The product line includes Avatar V (digital twins), Photo Avatar, Avatar IV, the Starfish text-to-speech engine, the Video Agent API, Video Translation, and Lipsync. HeyGen serves sales, marketing, e-learning, and localization teams with both self-serve pay-as-you-go API access (starting at a $5 minimum) and enterprise contracts. The company is SOC 2 Type II and GDPR compliant and has powered 50M+ generated videos. type: Index position: Provider access: 3rd-Party image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg tags: - Artificial Intelligence - Generative AI - Video - Avatars - Voice Cloning - Text To Speech - Lipsync - Translation - Streaming - MCP url: https://raw.githubusercontent.com/api-evangelist/heygen/refs/heads/main/apis.yml created: '2026-05-23' modified: '2026-05-23' specificationVersion: '0.20' apis: - aid: heygen:heygen-api name: HeyGen API description: >- The HeyGen REST API exposes video generation, avatar management, text-to-speech (Starfish), video translation, and lipsync capabilities. It supports avatar videos generated from a single text prompt via the Video Agent API, as well as fine-grained programmatic control over avatars, voices, backgrounds, and layouts. humanURL: https://developers.heygen.com/ baseURL: https://api.heygen.com/v3 tags: - Video - Avatars - Voices - Lipsync - Translation - Text To Speech properties: - type: Documentation url: https://developers.heygen.com/ - type: GettingStarted url: https://developers.heygen.com/docs/quick-start - type: SignUp url: https://app.heygen.com/signup - type: API url: https://developers.heygen.com/reference - type: Pricing url: https://www.heygen.com/pricing - type: Authentication url: https://developers.heygen.com/docs/authentication features: - name: Video Agent API description: >- Generate complete avatar videos from a single text prompt with no manual setup. - name: Video Generation API description: >- Programmatically control avatars, voices, backgrounds, and layouts to compose videos. - name: Digital Twin Avatars (Avatar V) description: >- Create photorealistic digital twins of real people for enterprise and creator use. - name: Photo Avatar and Avatar IV description: >- Generate talking avatars from a single photo with multiple model tiers. - name: Starfish Text-to-Speech description: >- Natural voice synthesis used for narration across video and audio workflows. - name: Video Translation description: >- Translate and dub videos into 175+ languages with preserved lip-sync. - name: Lipsync description: >- Swap audio in existing videos with automatic lip synchronization (Precision and Speed models). - name: Streaming Avatars description: >- Real-time interactive avatar streaming for conversational experiences. - name: Webhooks description: >- Subscribe to events such as video completion for downstream automation. - name: MCP and Skills description: >- Connect HeyGen to AI assistants via Model Context Protocol or coding-agent Skills. useCases: - name: Personalized Sales Outreach description: >- Send 1:1 personalized prospect videos at scale. - name: E-Learning and Training description: >- Produce and update course content without re-recording. - name: Marketing Localization description: >- Translate hero videos into dozens of languages with preserved presenter likeness. - name: Podcast Repurposing description: >- Convert audio content into avatar-narrated video. - name: Conversational Avatars description: >- Build interactive avatar agents for support and onboarding. integrations: - name: Claude - name: Claude Code - name: Cursor - name: Zapier - name: Make - name: Webhooks - name: OAuth (MCP) authentication: - type: API Key description: >- API keys generated in the HeyGen dashboard are passed in the X-Api-Key header; MCP-based connections use OAuth. common: - type: Website url: https://www.heygen.com - type: Documentation url: https://developers.heygen.com - type: Blog url: https://www.heygen.com/blog - type: Pricing url: https://www.heygen.com/pricing - type: TermsOfService url: https://www.heygen.com/policy - type: PrivacyPolicy url: https://www.heygen.com/privacy-policy - type: X url: https://x.com/HeyGen_Official - type: LinkedIn url: https://www.linkedin.com/company/heygen - type: ChangeLog url: https://developers.heygen.com/changelog - type: LLMsTxt url: https://developers.heygen.com/llms.txt maintainers: - FN: Kin Lane email: kin@apievangelist.com