30–40% of the official price
The official price is shown struck through on every model. In the console you see the cost and savings of every request, line by line.
Use one key in Claude Code, Codex and your own app. Just change the Base URL; pay in TRY and get an invoice.
export ANTHROPIC_BASE_URL="https://api-kervan.poly1.fun" export ANTHROPIC_AUTH_TOKEN="sk-…" claude # /model claude-opus-5-5
Paying in dollars with a foreign card, no invoices, declined payments: we built this to get rid of all of it.
The official price is shown struck through on every model. In the console you see the cost and savings of every request, line by line.
Top up in TRY by bank transfer (havale/EFT); card payments coming soon. The exchange rate is locked at top-up. e-Arşiv invoices for individuals, e-invoices for companies.
Send your key to CC Switch or paste two lines. If you get stuck, there's support in Turkish on WhatsApp.
About two minutes from sign-up to first response, on average.
Email verification is all it takes. We don't ask for card details.
Click "Send to CC Switch" or paste two lines into your terminal.
Your first request shows up in the console right away. Top up in TRY when your balance runs low.
Per 1 million tokens. Pay only for what you use; no subscription.
| Model | Context | Input / 1M | Output / 1M | Savings | Model ID |
|---|---|---|---|---|---|
| Claude Opus 5.5Anthropic · Claude Code · API | 1M | $1.40₺68.40Official price: $4.00 | $7.00₺341.98Official price: $20.00 | 65% | |
| Claude Sonnet 5Anthropic · Claude Code · API | 1M | $0.70₺34.20Official price: $2.00 | $3.50₺170.99Official price: $10.00 | 65% | |
| Claude Opus 5Anthropic · Claude Code · API | 1M | $1.75₺85.50Official price: $5.00 | $8.75₺427.48Official price: $25.00 | 65% | |
| Claude Fable 5.1Anthropic · unlocks with your first top-up | 1M | $4.00₺195.42Official price: $10.00 | $20.00₺977.10Official price: $50.00 | 60% | |
| GPT-6 SolOpenAI · Codex · API | 1.05M | $0.60₺29.31Official price: $2.00 | $3.00₺146.56Official price: $10.00 | 70% |
You use Anthropic's official Claude Code CLI and VS Code extension as-is. The only things that change are the URL and the key.
export ANTHROPIC_BASE_URL="https://api-kervan.poly1.fun" export ANTHROPIC_AUTH_TOKEN="sk-XXXXXXXX" claude
Every point is backed by a policy or a live page.
Kervan is an independent API intermediary service and is not affiliated with Anthropic or OpenAI. Claude is a trademark of Anthropic PBC; GPT and Codex are trademarks of OpenAI.
[Fill in before launch: an answer that describes the supply source exactly and accurately. Nothing inaccurate may be published.]
You use the same models. Run your own tests with the trial credit and compare the model field in the response and the results against the official API.
No. We're an independent intermediary service; trademarks belong to their owners.
Request and response content is not stored. For billing and your usage logs we keep only metadata such as time, model, token counts, duration, status code and cost.
You top up in TRY by bank transfer (havale/EFT); card payments are coming soon. We issue e-Arşiv invoices for individuals and e-invoices for companies registered for e-invoicing.
Yes. Balance you purchased and haven't used is refunded to the account you paid from. Bonus and trial credit are not refundable.
Yes. We support the Anthropic and OpenAI protocols; only the Base URL and key change.
₺50 in trial credit, no card required. 20% bonus on your first top-up of ₺250 or more.