API Reference

Overview

MaasUnion provides a set of RESTful APIs that are fully compatible with the OpenAI API format. You can use these interfaces to invoke various AI capabilities.

Online Debugging

Visit the Apifox Playground to test and debug API interfaces online, or browse the API documentation below.

To integrate the latest generation of multimodal models, the gateway has added dedicated channel types and dedicated routes that keep the request/response format consistent with the official API and isolate routing by channel type:

Kling Gateway Overview

Kling channel onboarding: authentication, channel types, path mapping, task ID mapping, and quick start.

Kling Omni Video

Dedicated route for Kling OmniVideo (O1 / V3). Supports text/image/video/subject multimodal inputs, multi-shot, sound effects, and instruction-based transforms.

Kling Omni Image

Dedicated route for Kling OmniImage. Supports subject reference, image series, and 1K/2K/4K.

Doubao Video (Seedance)

Dedicated Volcano Engine Ark Seedance video channel. Supports the 1.0/1.5/2.0 family, including multimodal reference, audio video, and draft mode.

Doubao Image (Seedream)

Dedicated Volcano Engine Ark Seedream image channel. Supports text-to-image, series, streaming output, and web search.

AI Model APIs

AI Model APIs provide access to various AI capabilities and are compatible with the OpenAI API format.

Video

AI video generation interface. Supports native OpenAI-compatible, Kling (including Omni), Sora, Jimeng, Doubao Seedance, and more.

Images

AI image generation interface. Supports native OpenAI, Tongyi Qianwen, Gemini, Kling Omni, Doubao Seedream, and more.

Chat

Conversation completion interface.

Completions

Traditional text completion interface.

Model List

Retrieve a list of available models.

Embeddings

Text embedding vector generation interface.

Rerank

Document reranking interface.

Moderations

Content safety moderation interface. The content safety moderation interface is one of the compliance tools and does not replace the deployer's own safety governance obligations and upstream content policy requirements. Public-facing services should establish abuse reporting, log auditing, and handling mechanisms.