HeyGen · video model
Video 1
HeyGen: Video 1 is a video model on the Overblast AI Gateway. Call it as heygen/heygen-video-1 with one Overblast API key, paid from your AI credits.
Prices are final: what a call costs in AI credits, in US dollars. As of 2 October 2026, from the live catalogue.
Price
| Price | $0.04 to $0.06 / second |
|---|---|
| 480p | $0.04 / second |
| 768p | $0.06 / second |
| With references, 480p | $0.08 / second |
| With references, 768p | $0.12 / second |
What it does
| Does | Talking portrait from a photo and a script |
|---|---|
| Resolutions | 480p, 768p |
| Aspect ratios | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 |
| Clip lengths | 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 seconds |
| Frames | Takes a start frame |
| Sound | Silent |
| References | Takes reference pictures |
| Seed | Takes a seed, for repeatable results |
Where it runs
| Regions | Runs globally; it cannot be pinned to the EU or the US yet |
|---|---|
| Zero data retention | Not applicable: video calls cannot carry the requirement |
| Endpoint | POST /v1/videos |
Call it
curl https://ai.overblast.app/v1/videos \
-H "Authorization: Bearer $OVERBLAST_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "heygen/heygen-video-1",
"prompt": "A paper boat drifting down a rainy street"
}'
# then poll GET /v1/videos/{id}, and fetch the clip from /v1/videos/{id}/contentAll video models and their prices · How the AI Gateway works