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Moonshot AI Chat API

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

Moonshot AI Chat API is one of 6 APIs that 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, an AsyncAPI specification, pricing, and rate-limit docs.

This API exposes 1 operation across 1 path, and defines 10 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.

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

1 operations 1 paths 10 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0.0
Base URL
https://api.moonshot.ai
Authentication
HTTP Bearer
Resource Areas
1

Authentication & Security 1

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

  • bearerAuth — The Authorization header expects a Bearer token. Use an MOONSHOTAPIKEY as the token. This is a server-side secret key. Generate one on the [API keys page](http…

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
Create Chat Completion
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.

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

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

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

Other APIs Moonshot AI publishes across the network.

Moonshot AI Batch API
Moonshot AI Billing API
Moonshot AI Files API
Moonshot AI Models API
Moonshot AI Utilities API
Where this information came from

This is an independent, third-party profile of Moonshot AI Chat API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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