Best AI video generators with an API (2026)
24 tools that offer an API, per their own pricing page, ranked by public data: verified listings first, then tools that publish a price, then how many facts they publish. Nobody pays for position. Checked Oct 26, 2026
22 of 24 publish a paid price, from $4.70 to $59 a month (lowest published rate). Top of the list: Akool, HeyGen, Magic Hour, D-ID, LTX Studio and 19 more.
| # | Tool | Starts at | Free plan | Watermark | Max resolution | Max length |
|---|---|---|---|---|---|---|
| 1 | Akool AI avatar video Visit Akool | $12/mo | Free plan | Watermark on free | 4K | 30 min |
| 2 | HeyGen AI avatar video Visit HeyGen | $29/mo | Free plan | Watermark on free | 4K | 60 min |
| 3 | Magic Hour AI video generator Visit Magic Hour | $19/mo ($12/mo yearly) | Free plan | Watermark on free | Not stated | Not stated |
| 4 | D-ID AI avatar video Visit D-ID | $5.90/mo ($4.70/mo yearly) | Free trial | Watermark on free | Not stated | 30 min |
| 5 | LTX Studio AI video generator Visit LTX Studio | $15/mo ($12/mo yearly) | Free plan | None on paid plans | Not stated | Not stated |
| 6 | DomoAI AI video generator Visit DomoAI | $13/mo ($9/mo yearly) | Not stated | None on paid plans | 4K (upscaling) | Not stated |
| 7 | Luma Dream Machine AI video generator Visit Luma Dream Machine | $30/mo ($25/mo yearly) | Not stated | Not stated | 4K | Not stated |
| 8 | PixVerse AI video generator Visit PixVerse | $10/mo ($8/mo yearly) | Not stated | None on paid plans | 4K | Not stated |
| 9 | Synthesia AI avatar video Visit Synthesia | $19/mo | Free plan | Watermark on free | Not stated | Not stated |
| 10 | Kling AI AI video generator Visit Kling AI | $8.80/mo ($6.60/mo yearly) | Free plan | None on paid plans | 4K | Not stated |
| 11 | Pika AI video generator Visit Pika | $10/mo ($8/mo yearly) | Free plan | No watermark on free | Not stated | Not stated |
| 12 | Reap Clip & shorts maker Visit Reap | $24/mo ($9.99/mo yearly) | Free trial | None on paid plans | 4K | Not stated |
| 13 | Revid AI Clip & shorts maker Visit Revid AI | $39/mo | Not stated | Not stated | 4K | Not stated |
| 14 | Runway AI video generator Visit Runway | $15/mo ($12/mo yearly) | Free plan | None on paid plans | 4K (upscaling) | Not stated |
| 15 | Submagic Clip & shorts maker Visit Submagic | $19/mo | Not stated | None on paid plans | 4K | Not stated |
| 16 | Tavus AI avatar video Visit Tavus | $59/mo | Free plan | None on paid plans | 1080p | Not stated |
| 17 | Viggle AI AI video generator Visit Viggle AI | $9.99/mo ($7.99/mo yearly) | Free plan | Not stated | Not stated | Not stated |
| 18 | Krea AI video generator Visit Krea | $9/mo ($5/mo yearly) | Free plan | Not stated | Not stated | Not stated |
| 19 | Google Veo AI video generator Visit Google Veo | $19.99/mo | Not stated | Not stated | Not stated | Not stated |
| 20 | Leonardo AI AI video generator Visit Leonardo AI | $12/mo ($10/mo yearly) | Free plan | Not stated | Not stated | Not stated |
| 21 | MakeUGC AI avatar video · partly verified Visit MakeUGC | $29/mo, billed yearly | Free trial | None on paid plans | 4K | Not stated |
| 22 | sync. (Sync Labs) AI avatar video · partly verified Visit sync. | $5/mo | Not stated | Not stated | 4K | Not stated |
| 23 | Hedra AI avatar video · partly verified Visit Hedra | Not published | Not stated | Not stated | Not stated | Not stated |
| 24 | Seedance (ByteDance) AI video generator · partly verified Visit Seedance | Not published | Not stated | Not stated | 1080p | Not stated |
Questions
What is the cheapest AI video generator with an API?
Of the 24 listed, 22 publish a paid price. The lowest is D-ID at $4.70/month, then Krea at $5/month and sync. at $5/month (lowest published rate, which may require yearly billing).
Is there a free AI video generator with an API?
12 of the 24 say they have a free plan: Akool, HeyGen, Magic Hour, LTX Studio, Synthesia, Kling AI, Pika, Runway and 4 more. Free plans usually limit credits, length or resolution, and some add a watermark (Akool, HeyGen, Magic Hour, D-ID, Synthesia).
Which ones have no watermark?
Pika state that free exports carry no watermark. Akool, HeyGen, Magic Hour, LTX Studio, DomoAI, PixVerse and 7 more remove the watermark on paid plans.
Which support 4K?
12 of the 24 publish 4K output (generation, export or upscaling): Akool, HeyGen, DomoAI, Luma Dream Machine, PixVerse, Kling AI, Reap, Revid AI and 4 more.
How is this list ranked?
By published data only: tools whose facts we verified on the vendor's own pages come first, then tools that publish a price, then by how many facts they publish. No vendor pays for position, and paid links never change the order.