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Api18.dev is a REST API for AI media generation — text-to-video, image-to-video, text-to-image and image editing. One key, one JSON POST, then poll for the result. Pay-as-you-go pricing in USD.
Building with an AI assistant?
Copy our full reference and paste it into ChatGPT, Claude or Cursor — it has everything the model needs to write a correct integration. Each model also has its own llms.txt.
First steps#
Create your API key and learn how to send it on every request.
Run an end-to-end generation in under 5 minutes.
Understand the async flow: create a job, poll, download the result.
Copy-paste examples in cURL, JavaScript and Python.
Available models#
7 models, grouped into families. Each has a page with parameters, examples and its own llms.txt.
Cinematic text-to-video with crisp detail, stable motion and strong instruction-following. 720p/1080p, multiple aspect ratios, 2–15s clips.
Animate a reference image into a cinematic clip. Aspect ratio matches the source. 720p/1080p, 3–15s.
Cinematic image-to-video with multi-shot narrative support. 720p/1080p, 5/10/15s clips.
Prompt-driven image editing. Upload 1–3 reference images and describe the change.
Multi-modal text-to-image. 1k/2k resolutions, 9 aspect ratios, generate up to 9 images per call.
Turn an image into a high-quality video with smooth motion. 480p/720p, 5s or 8s clips.
Budget image-to-video at 480p, 5s clips. Supports a negative prompt and automatic prompt expansion.
Quick reference#
Base URL https://api18.dev. Video at /v1/video/generations, images at /v1/images/generations. See all endpoints in the reference.