grok-imagine-video-1.5-lite
Grok Imagine Video 1.5 Lite API by xAI on TTAPI generates non-official 1–15 second clips from text or reference images, with 480P, 720P, and upscaled 1080P output.
Grok 1.5 Lite video examples
What you can build with grok-imagine-video-1.5-lite
Text to video
Create short clips from a scene and motion prompt, with duration and aspect-ratio controls.
Reference images
Guide generation with multiple reference-image URLs through the non-official Grok route.
Opening-frame control
Set the first image of a Lite clip with first_frame in the documented first-frame workflow.
Per-second pricing
Choose 480P/720P at 0.5 quota per second, or upscaled 1080P at 2 quota per second.
Per-action, in quota
Usage is metered in quota by model, action, and output settings.
grok-imagine-video-1.5-lite operations and request fields
Use the endpoint below with your TTAPI key and the request fields shown.
/grok/generationsGenerate a 1–15 second Lite clip from a scene and motion prompt.
Official reference/grok/generationsGuide Lite generation with reference-image URLs in refer_images.
Official reference/grok/generationsSet a Lite clip's opening image with first_frame.
Official reference/grok/fetchRetrieve a non-official Grok video result.
Official referenceHeaders
TT-API-KEYstringrequiredYour TTAPI API key.
Content-TypestringrequiredUse application/json.
Body
promptstringrequiredScene and motion prompt, up to 4,096 characters.
modelenumoptionalUse grok-imagine-video-1.5-lite for this non-official Lite request.
aspect_ratioenumoptionalDefaults to 16:9. Supported: 2:3, 3:2, 1:1, 9:16, and 16:9.
video_lengthstringoptionalClip duration as a string from 1 to 15 seconds. Defaults to 10.
resolution_nameenumoptional480p, 720p, or 1080p. Defaults to 720p; 1080P is upscaled from 720P.
refer_imagesstring[]conditionalOptional reference-image URLs for reference-to-video. TTAPI's launch confirms multiple references; no Lite-specific maximum is published.
first_framestringoptionalFirst-frame image URL for the first-frame workflow. Required when using that workflow.
hook_urlstringoptionalCallback URL notified when the job completes or fails; otherwise retrieve the result through Fetch.
From key to first result
Copy the resolved endpoint, authentication headers, and request body for this model.
curl --request POST \
--url https://api.ttapi.io/grok/generations \
--header 'TT-API-KEY: $TTAPI_KEY' \
--header 'Content-Type: application/json' \
--data '{"model":"grok-imagine-video-1.5-lite","prompt":"A slow camera orbit around a ceramic cup on a sunlit desk, soft shadows, steady motion, no text.","aspect_ratio":"16:9","video_length":"10","resolution_name":"720p"}'