Welcome

SeedRouter provides model APIs with usage-based billing. This documentation covers the asynchronous image API and the shared steps for authentication, task polling, and error handling.

Start here

1. Create an API key and add credits in Billing.
2. Follow the Quickstart to submit an image task.
3. Use Tasks to read the result.

API Reference

• Overview
• Authentication
• Balance
• Tasks
• Webhooks
• Errors

Image models

GPT Image 2 supports text prompts, reference images, and masked edits through a single endpoint.