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Kimi (Moonshot AI) Chat API

The Chat API from Kimi (Moonshot AI) — 1 operation(s) for chat.

Kimi (Moonshot AI) Chat API is one of 13 APIs that Kimi (Moonshot AI) publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.

Tagged areas include Chat. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an AsyncAPI specification.

This API exposes 1 operation across 1 path, and defines 10 schemas. It is described by OpenAPI 3.1.0, at version 1.0.0.

Requests are made against a single base URL, https://api.moonshot.cn.

1 operations 1 paths 10 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
1.0.0
Base URL
https://api.moonshot.cn/v1/chat/completions
Authentication
HTTP Bearer
Resource Areas
1

Authentication & Security 1

Kimi (Moonshot AI) Chat API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (bearerAuth).

  • bearerAuth — Authorization 请求头需要一个 Bearer 令牌。使用 MOONSHOTAPIKEY 作为令牌。这是一个服务端密钥,请在 [API 密钥页面](https://platform.kimi.com/console/api-keys) 生成。

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.

Chat 1
POST
/v1/chat/completions
创建聊天补全
body → 200400401500

Schemas 10

The contract defines 10 schemas that model the data the API accepts and returns. The most detailed are ChatRequestBase (10 properties), ChatCompletionResponse (6 properties), Message (4 properties), ToolDefinition (2 properties). Each schema is shown below with its type and property counts.

KimiK25ChatRequest
KimiK2ChatRequest
ChatCompletionResponse
object
6 properties
ErrorResponse
object
1 property 1 required
ChatRequestBase
object
10 properties 1 required
KimiK2ThinkingChatRequest
ToolDefinition
object
2 properties 2 required
KimiK26ChatRequest
MoonshotV1ChatRequest
Message
object
4 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

kimi-moonshot-chat-api-openapi.yml Raw ↑

Other APIs Kimi (Moonshot AI) publishes across the network.

Kimi Embeddings API
Kimi Files API
Kimi Fine-Tuning API
Kimi Models API
Kimi Tokenizer API
Kimi Assistant (kimi.com)
Moonshot Open-Weights Releases
Kimi (Moonshot AI) Batch API
Kimi (Moonshot AI) Billing API
Kimi (Moonshot AI) Files API
Kimi (Moonshot AI) Models API
Kimi (Moonshot AI) Utilities API