How to use the API Playground
The API Playground is a no-code environment inside the Developer Console where you can test video generation before writing any integration code. It uses the same models and endpoints as the full API, and requires API credits to run generations.
What is the API Playground?
The API Playground lives inside the Developer Console and gives you a visual interface for testing LTX generation. You can try different prompts, models, and settings and see results in real time — without making a single API call.
It's designed for two things: understanding what the API can produce before you build, and quickly testing prompts or parameters as part of an active integration.
What you can test
The Playground supports the main generation types:
- Text-to-video — generate from a text prompt
- Image-to-video — animate a still image
- Audio-to-video — generate visuals driven by an audio track
- Retake — replace a segment of an existing video
- Extend — add footage to the beginning or end of an existing video
- HDR video-to-video — upscale standard video to HDR output
Generations run on the same ltx-2-3-fast and ltx-2-3-pro models available through the API, so Playground results are a reliable preview of what your integration will produce.
Credits and billing
Playground generations use your API credits — the same credits you purchase in the Developer Console for API usage. There's no separate Playground allowance, and LTX Studio credits don't apply here.
Billing works the same way as the API: per second of output video, at the rate for the model and resolution you choose. See What does the LTX API cost? for current rates, or How to buy API credits if you need to top up.
You don't need to create an API key to use the Playground — just log in to the Developer Console and make sure you have API credits available. API keys are only required when making calls directly to the API from your code.
Moving from Playground to integration
Once you've validated your prompts and settings in the Playground, the next step is making your first real API call. The quickstart guide walks you through authentication and your first request. If you're planning a larger integration or need help scoping your use case, you can also talk to the LTX sales team.