{"id":"heygen-api","name":"HeyGen","homepage":"https://www.heygen.com","repo_url":null,"category":"ai-video","subcategories":["video-generation","avatar","text-to-video","ai"],"tags":["heygen","ai-avatar","video-generation","text-to-video","talking-head","multilingual"],"what_it_does":"AI video generation API for creating talking-head avatar videos from text scripts or audio, supporting custom avatars, voice cloning, and multilingual video generation for marketing and training content.","use_cases":["Automated personalized video generation (e.g., AI sales rep explaining products to each prospect)","Training and onboarding video production from written content without human recording","Multilingual video localization — generate the same video in 40+ languages from one script","News or summary video generation where an AI avatar reads generated text","Content marketing automation — agents generating explainer videos from product data"],"not_for":["Creative/artistic video generation without a talking head (use RunwayML)","Real-time video generation — rendering takes minutes","Applications where authenticity must be disclosed (deepfake disclosure laws vary by jurisdiction)","High-resolution cinematic video output"],"best_when":"You need automated talking-head avatar videos with realistic lip-sync and voice at scale, particularly for multilingual content or personalized video outreach at volume.","avoid_when":"You need artistic or action video generation, or your use case requires real-time rendering.","alternatives":["runway-api","fal-api"],"af_score":72.6,"security_score":null,"reliability_score":null,"package_type":"mcp_server","discovery_source":["github"],"priority":"low","status":"evaluated","version_evaluated":"current","last_evaluated":"2026-03-01T09:50:05.691840+00:00","performance":{"latency_p50_ms":120000,"latency_p99_ms":300000,"uptime_sla_percent":99.0,"rate_limits":"Concurrent video limit depends on plan; queue-based rendering","data_source":"llm_estimated","measured_on":null}}