Can I use the free Claude key in Cursor or Cline?

Yes. Any tool that supports a custom OpenAI-compatible endpoint works. Set the base URL to https://aiapiv2.pekpik.com/v1, paste the key, and select claude-opus-4-7.

Free Claude API Key — Use Claude Opus 4.7 Without a Credit Card

Call Claude Opus 4.7, Anthropic's flagship model, for free. The keys are OpenAI-compatible — copy one, set the base URL, and start building in seconds. No Anthropic account, no sign-up, no card.

Get a Free Key → Try it in the Playground

20+ free keys in the shared pool, refreshed multiple times daily

What you get

A working API key that reaches Claude Opus 4.7 through an OpenAI-compatible gateway. Opus is Anthropic's strongest model — excellent for complex reasoning, long-form writing, agentic workflows, and especially coding inside tools like Cursor, Cline, and Continue.

How sharing works: keys are public and pre-funded, so they may run out of budget. If one key is exhausted, just grab another from the table — fresh keys are published throughout the day. For uninterrupted use, drop a key into your own app and run on your own quota.

How to use a free Claude API key

Open the key table on GitHub and copy a key from the Claude Opus 4.7 shelf.
Set the base URL to https://aiapiv2.pekpik.com/v1.
Use model claude-opus-4-7 with any OpenAI SDK or compatible tool.

cURL

curl https://aiapiv2.pekpik.com/v1/chat/completions \
  -H "Authorization: Bearer YOUR_FREE_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-4-7",
    "messages": [{"role": "user", "content": "Write a haiku about free APIs"}]
  }'

Python (OpenAI SDK)

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_FREE_KEY",
    base_url="https://aiapiv2.pekpik.com/v1",
)

resp = client.chat.completions.create(
    model="claude-opus-4-7",
    messages=[{"role": "user", "content": "Explain quantum tunneling simply"}],
)
print(resp.choices[0].message.content)

Use it in Cursor / Cline

In your editor's AI settings, set the OpenAI base URL to https://aiapiv2.pekpik.com/v1, paste the key, and pick claude-opus-4-7. You get Claude-powered code completion and chat for free.

FAQ

Is the Claude API key really free?

Yes. Keys are shared publicly with a pre-funded budget — no credit card, no sign-up. Because they're shared, a key may run out of budget; grab another from the table or come back later.

Which Claude model can I use?

Claude Opus 4.7 via the model name claude-opus-4-7. Keys are OpenAI-compatible, so you call it through the OpenAI SDK by changing the base URL.

Do I need an Anthropic account?

No. Copy a key, set the base URL to https://aiapiv2.pekpik.com/v1, and call the API. No Anthropic account required.

A key stopped working — what now?

That's normal for shared keys: it likely ran out of budget. Grab another from the table, or use Smart mode in the playground, which auto-routes to an available model.