Kimi (Moonshot AI)
Moonshot AI is a Beijing-based AI lab that develops the Kimi family of long-context multilingual large language models. The consumer assistant is available at kimi.com (and kimi.ai); the developer platform at platform.moonshot.cn (also platform.kimi.com / platform.kimi.ai) exposes an OpenAI-compatible REST API for chat completions, embeddings, file management, fine-tuning, and model listing. Kimi models advertise very long context windows (8K, 32K, 128K, with newer K2.x models pushing toward 256K) and the platform offers multimodal text, image, and video inputs on the flagship Kimi K2.x line. Open-source weights for prior Kimi releases live under the MoonshotAI GitHub organization.
Real signal across most facets with visible, nameable gaps — the contract exists but is thin, or the portal is good while governance and commercial terms are absent.
API Evangelist profiles Kimi (Moonshot AI) the way a machine reads it — 22 machine-readable artifacts across 13 APIs, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Kimi (Moonshot AI) scores 46.7/100 (developing), with a separate agent-readiness read of 54/100 (agent ready). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.
Kin Score
How this is scored →scored 2026-07-27 · rubric v0.5
How we profile Kimi (Moonshot AI)
Each block below is one kind of artifact we hold for Kimi (Moonshot AI). For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 13
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Kimi Embeddings API
OpenAI-compatible embeddings endpoint that returns vector representations of input text for semantic search, clustering, and retrieval-augmented generation workflows.
Kimi Files API
File management endpoint for uploading documents that can be referenced from chat completions (for example, long-document Q&A and the file_id-based context attachment pattern).
Kimi Fine-Tuning API
Fine-tuning jobs endpoint for customizing Moonshot base models on customer-supplied training data. Mirrors the OpenAI fine-tuning surface.
Kimi Models API
Lists models available to the authenticated account and exposes per-model metadata (context window, modality support, pricing tier).
Kimi Tokenizer API
Helper endpoint exposed by the Moonshot platform for counting tokens against a given model's tokenizer prior to submission, useful for managing long-context budgets.
Kimi Assistant (kimi.com)
Consumer-facing AI assistant at kimi.com (also kimi.ai) powered by the Kimi models. Supports long-document upload, web search grounding, and tool use through a chat UI.
Moonshot Open-Weights Releases
Open-weight Kimi model releases (for example prior Kimi K1 / K2 checkpoints) published under the MoonshotAI GitHub organization for research and self-hosted use.
Kimi (Moonshot AI) Batch API
The Batch API from Kimi (Moonshot AI) — 3 operation(s) for batch.
Kimi (Moonshot AI) Billing API
The Billing API from Kimi (Moonshot AI) — 1 operation(s) for billing.
Kimi (Moonshot AI) Chat API
The Chat API from Kimi (Moonshot AI) — 1 operation(s) for chat.
Kimi (Moonshot AI) Files API
The Files API from Kimi (Moonshot AI) — 3 operation(s) for files.
Kimi (Moonshot AI) Models API
The Models API from Kimi (Moonshot AI) — 1 operation(s) for models.
Kimi (Moonshot AI) Utilities API
The Utilities API from Kimi (Moonshot AI) — 1 operation(s) for utilities.
Scroll within the panel for all 13 ·
Open Collections 1
Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Moonshot AI API
OPEN COLLECTIONPricing Plans 1
Pricing is part of the interface. Machine-readable plans tell you what a tier costs and includes before you commit — one of the six things the Kin Score reads for commercial clarity.
Published pricing tiers and plan structures.
Rate Limits 1
Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.
Documented rate limits and quota policies.
Kimi Moonshot Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals let a buyer model the financial operations of an API before it's live. We profile them for the same reason we profile pricing: the money is part of the contract.
Cost, billing, and metering signals for API financial operations.
Kimi Moonshot Finops
FINOPSEvent Specifications 1
Not every API is request/response. AsyncAPI describes the event-driven and streaming side — the webhooks and channels — so the asynchronous half of the interface is documented the same way the synchronous half is.
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Kimi (Moonshot AI) Streaming Chat Completions API
AsyncAPI definition for Moonshot AI's Kimi `POST /v1/chat/completions` streaming response channel. Moonshot's chat completions surface is OpenAI-compatible. When the request bod...
ASYNCAPISpectral Rules 1
Governance rulesets we run against this provider's specs — the automated checks behind parts of the score. Profiling them makes the quality bar explicit and re-runnable, not a matter of opinion.
Kimi (Moonshot AI) API Rules
SPECTRALSecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.
Recommended x-agentic-access execution contracts for AI agents.
Resources
Every other property we hold for Kimi (Moonshot AI) — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Company 2
The organization behind the API
Other 3
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/kimi-moonshot · machine-readable index on apis.io