S3AI API is an all-in-one API Router for developers, teams, and users worldwide. International users are welcome. Through a unified interface, the platform brings together Claude, Codex, Gemini, Grok, MiniMax, Mistral, DeepSeek, Zhipu, and leading image-generation models.
The platform supports multiple service routes for the same model, allowing users to choose the most suitable speed, pricing, caching capabilities, and tool-calling support for each task. The default group includes Meshy, AzureTTS, UnrealSpeech, NanoBanana, and a broad range of Chinese models, supporting text, code, vision, speech, and image workflows.
S3AI API offers comprehensive coverage of Chinese models, including self-hosted Chinese models. It also provides No Data Retention models for users who prioritize data privacy and compliance. The site offers more than 65 free models for testing, development, and everyday use.
S3AI API supports multiple payment methods, including Google Pay, Apple Pay, Mastercard/Visa, WeChat Pay, Alipay, Monero, and USDT, making payments convenient for users in different countries and regions.
To use the relevant free capabilities, an account must maintain a minimum balance of 0.01 credits. Users can unlock access by inviting two people through their personal referral link and linking a Telegram account. Alternatively, spending 15 credits will unlock the relevant capabilities automatically.
S3AI API also provides exclusive text-to-3D, image-to-3D, and texture-generation APIs, along with Blender workflow support. Text or images can be converted into deliverable GLB assets, making the platform suitable for rapid prototyping, content creation, and 3D asset production.
One entry point connecting multiple models, payment methods, and creative workflows.
