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APMIX.AI

Moonshot Kimi · Model

Kimi K3 Free API

Free

Kimi K3 Free answers at api.apmix.ai under the id below — one key and one monthly plan, on the OpenAI and Anthropic wire formats your tools already speak. No separate Moonshot Kimi account, no per-provider bill.

Model idmoonshot/kimi-k3-freeStarterProMax
Get an API key

At a glance

Provider
Moonshot Kimi
Included in
Starter, Pro, Max — from $4.99/month
Weighted-token cost
1× — a 1,000-token exchange costs 1K weighted tokens
Context window
Not published by the provider
Free tier
Yes — the 2M free tokens every new account gets can be spent here
See what each plan buys on Kimi K3 Free

Call Kimi K3 Free

Set the model to kimi-k3-free in any OpenAI- or Anthropic-compatible client. Both base URLs accept the same apmix key.

OpenAI-compatible · Chat Completions
curl https://api.apmix.ai/v1/chat/completions \
  -H "Authorization: Bearer apx_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "kimi-k3-free", "messages": [{"role": "user", "content": "Hello"}]}'
Anthropic-compatible · Messages
curl https://api.apmix.ai/v1/messages \
  -H "x-api-key: apx_live_YOUR_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{"model": "kimi-k3-free", "max_tokens": 1024, "messages": [{"role": "user", "content": "Hello"}]}'
Setup guides for Claude Code, Codex CLI, Cursor and more

Questions about Kimi K3 Free

Is Kimi K3 Free free on apmix?
Yes. Every new account gets 2M free tokens that can be spent on Kimi K3 Free (kimi-k3-free) and the other free models, with no daily limit and no expiry date. No card needed.
Which plan includes Kimi K3 Free?
Starter, Pro, Max. Each plan is a monthly allowance of weighted tokens shared across every model and every key; Kimi K3 Free counts at 1× per token.
How do I use Kimi K3 Free in Claude Code, Codex CLI or Cursor?
Point the tool at apmix — https://api.apmix.ai/v1 for OpenAI-compatible clients, https://api.apmix.ai for Anthropic-compatible ones — with your apmix key, and set the model to kimi-k3-free. The Docs page has copy-paste setup for each tool.

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