Apiframe
Video generation API for text-to-video, image-to-video and reference-driven clips up to 1080p with audio sync and webhooks
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What is Apiframe?
Happy Horse 1.1 is a video generation API by Alibaba available through Apiframe, supporting text-to-video, image-to-video, and reference-to-video modes with up to 9 reference images. It offers async generation jobs, webhook support, and delivers up to 1080p video with built-in audio synchronization.
Apiframe pricing
Pricing model: Freemium
18-22 credits/second (≈$0.18-$0.22). A 9-second clip costs ~$1.62-$1.98. Shared credit pool across all Apiframe models, no subscription required, with volume discounts available.
Apiframe pros
- Flexible multi-mode capability: text-to-video, image-to-video, and reference-to-video (up to 9 images) in a single model
- Multiple resolution, aspect ratio, and duration options (720p/1080p, five aspect ratios, 3-15 second clips) with synced audio
- Affordable pay-per-use pricing starting at 18 credits/second (~$0.18) with shared credit balance across all Apiframe models
- Async API with webhook support, ~115s average generation time, and automatic refunds for failed jobs
Apiframe cons
- Maximum resolution capped at 1080p (competitors like Seedance 2.0 support native 4K)
- 15-second maximum clip length requires chaining for longer videos
- More expensive than Wan 2.7 (12 credits/s) for simpler sequence-based workflows
Frequently asked questions about Apiframe
What video modes does Happy Horse 1.1 support?
Three modes: text-to-video (no images), image-to-video (one image), and reference-to-video (2-9 images for character/scene consistency using [Image 1], [Image 2] syntax in prompts)
What are the maximum video specifications?
Maximum 1080p resolution, up to 15 seconds duration, with aspect ratios of 16:9, 9:16, 1:1, 4:3, or 3:4
Do I need a subscription?
No subscription required. Start with free credits and pay only for successful generations; failed jobs are refunded automatically
How does the API work?
Send a POST request to /v2/videos/generate with your prompt and settings; receive a jobId to poll or provide a webhook_url for push notifications