Introducing the LetzAI Enterprise Model Training API
Today, we’re excited to announce the release of the LetzAI Model Training API to our Enterprise Customers - a new way for large customers to create, customize, and manage their AI models.
At LetzAI, we want to empower businesses and creators to take control of how they’re represented inside generative AI systems. Whether you need a model specialized in a specific industry, aesthetic, or audience, our new API puts the power of professional-grade training directly into your hands.
Our new Model Training API allows you to add many different characters, objects, and styles onto LetzAI, all while keeping perfect control over how these models can be used.
Claiming hundreds or even thousands of @ handles for your items programmatically will open up new ways for your team and your customers to be creative with LetzAI. You can combine the Model Training API with your own applications, with your websites and your own AI tools for consistent characters, objects, and styles.
Enterprise-Only Access
The Training API Endpoints are available exclusively for Enterprise Customers. Pricing starts at 500€ per month (around 0.50€ per model), with plans based on your specific needs available upon demand.
If you’re ready to unlock advanced model training for your business, please contact us to request access to the Model Training API.
Enterprise Plans will soon give you access to upcoming “Organization” features on the LetzAI platform.
For regular users, training through the LetzAI platform remains available under our current Creator plans.
We may reach out to you to offer a trial of the Model Training API if you're a regular user with many models.
Model Training API Overview
Create Your Own Models
Use the POST /models endpoint to create fully custom models. Simply specify details like:
- Name (up to 50 characters)
- Privacy settings (choose from approved privacy options)
- Class (e.g., person, product, etc.)
- Training Data URLs (upload up to 50 public URLs)
- Webhook Url to trigger when the model has finished training.
- Optional fields: description, website, settings (e.g., "NO_VIOLENCE", "NO_ADULT_CONTENT")
Optionally, you can also define a model type — but if you’re unsure, our system can automatically infer it based on your training data (recommended).
Manage Your Models
- Update a model with PATCH /models/{id} — modify privacy, type, description, website, and settings.
- Delete a model with DELETE /models/{id} — remove models you no longer need.
- Update your model’s thumbnail with PUT /models/{id}/thumbnail — select the best visual preview for your model.
Built for Scale, Built for Simplicity
The LetzAI Enterprise Model Training API is designed for maximum flexibility and ease of use:
- Fast model creation with up to 50 images per model.
- Robust error handling for easier debugging (400, 401, 404, and 500 responses).
- Fine-grained control over model privacy, metadata, and settings.
Whether you're building custom visual assets for marketing, gaming, fashion, architecture, or any other industry, this API gives you the tools you need to make your vision a reality and make your models available to our community of AI creators.
Ready to Get Started?
To learn more, get a demo, or request API access, contact us today.
We can't wait to see what you'll build with LetzAI.
Access complete API documentation
