Generate your first image
Follow the path from account setup to your first image generation request.
One API key for mainstream image and video generation models through the Unified Async API. Skills and MCP are being upgraded, so use the API integration path today.
Base URL:
https://api.hiapi.aiGenerate your first image
Follow the path from account setup to your first image generation request.
API keys and auth
Get an API key, learn request authentication, and keep production keys safe.
Unified Async API
Create a task, poll or receive a callback, then fetch results. Every model uses the same endpoint family.
Nano Banana
Fast, prompt-tolerant text-to-image. Good for quick iteration and batch generation.
Nano Banana Pro
Premium brand visuals with reference-based editing and up to 4K.
GPT Image 2
Accurate text rendering and layout-heavy compositions.
FLUX 1.1 Pro
Realistic image generation with reference images and multiple aspect ratios.
HappyHorse 1.0
Text-to-video, 3–15 seconds, 720p or 1080p.
Seedance 2.0
Reference images, video, and audio, with optional synced audio.
Wan 2.7
Text-to-video and image-to-video with multiple sizes and durations.
Unified Async API
The current integration path. Create every model task with POST /v1/tasks, then poll or receive a callback for results.
Skills
Agent packages are being reorganized. Installation commands are temporarily hidden.
MCP
MCP integration is being adapted to the Unified Async API and is not the recommended current integration path.
Models overview
Browse all online image and video models with endpoints, parameters, and examples.
Changelog
See the latest updates to the docs site and platform capabilities.
llms.txt
Plaintext API and tool context optimized for LLM context windows.