Quick Start

curl -X POST "https://api.heygen.com/v3/video-agents" \
  -H "X-Api-Key: $HEYGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"prompt": "A presenter explaining our product launch in 30 seconds"}'

import time

# 1. Wait for the video_id to be assigned
video_id = None
while not video_id:
    sess = requests.get(
        f"https://api.heygen.com/v3/video-agents/{session_id}",
        headers={"X-Api-Key": HEYGEN_API_KEY},
    ).json()["data"]
    video_id = sess.get("video_id")
    if not video_id:
        time.sleep(5)

# 2. Poll the video until it's done
while True:
    video = requests.get(
        f"https://api.heygen.com/v3/videos/{video_id}",
        headers={"X-Api-Key": HEYGEN_API_KEY},
    ).json()["data"]
    if video["status"] in ("completed", "failed"):
        break
    time.sleep(10)

print(video["video_url"])