Stability AI API

Official API for Stable Image and SDXL models

Open source
Free forever

What is Stability AI API?

Stability AI's API provides programmatic access to Stable Image and SDXL models for generating, editing, and manipulating images. Developers can integrate these image generation capabilities into applications, websites, and workflows without building models from scratch. The API handles requests for text-to-image generation, image-to-image transformations, and inpainting tasks. It's designed for developers, product teams, and businesses that need to add generative image functionality to their systems at scale.

Key features

Text-to-image generation

Create images from written descriptions using Stable Image and SDXL models

Image-to-image editing

Transform existing images based on text prompts or styling instructions

Inpainting

Fill in masked regions of images with generated content

RESTful API access

Standard HTTP endpoints for integration into applications and services

Scalable infrastructure

Handle variable request volumes without managing hardware

Model selection

Choose between different Stable Image versions and SDXL for different use cases

Pros & cons

Advantages

Well-documented API with clear integration paths for developers
Access to proven, widely-used image generation models without training overhead
Pay-as-you-go pricing model suitable for variable workloads
Suitable for production applications requiring reliable image generation

Limitations

API costs accumulate quickly for high-volume image generation compared to self-hosted solutions
Rate limiting and quota management required for scaling to very large volumes
Output quality and style are constrained by the underlying model capabilities