Frequently Asked Questions
General
What is Claudexia?
Claudexia is a Claude API gateway that gives you pay-as-you-go access to Anthropic's Claude models. No Anthropic account is required — just sign up, get an API key, and start making requests.
Which models are available?
Claude Opus 4.7, Claude Opus 4.6, Claude Opus 4.5, Claude Sonnet 4.6, Claude Sonnet 4.5, Claude Haiku 4.5, plus GPT 5.5 and GPT 5.4.
Do I need an Anthropic account?
No. Claudexia provides its own API keys. You do not need a separate Anthropic account or API key.
Is my data used for training?
No. Your data is not stored or used for model training. Requests are proxied to Anthropic and responses are returned directly to you.
What API formats are supported?
Both the Anthropic Messages API format and the OpenAI Chat Completions format are supported. Use whichever fits your existing code.
Pricing & Payments
How does pricing work?
You pay per million tokens, with different rates for each model. See the Pricing page for the full table.
Do credits expire?
No. Your balance never expires.
What's the minimum deposit?
There is no minimum deposit. You can top up with any amount supported by the chosen payment provider.
What payment methods are accepted?
YooKassa (Russian bank cards, SBP), CryptoCloud (cryptocurrency), CryptoBot (Telegram), and Platega (SBP QR, cards, international cards, crypto).
Can I pay with crypto?
Yes. Both CryptoCloud and CryptoBot accept cryptocurrency payments.
Integration
What base URL should I use?
For SDKs using the OpenAI format, use https://api.claudexia.tech/v1. For Claude Code or the Anthropic SDK, use https://api.claudexia.tech (without /v1).
Does it work with Cursor?
Yes. Use the OpenAI-compatible mode and set the base URL to https://api.claudexia.tech/v1. Note that Cursor requires a paid Pro plan for custom API endpoints.
Does it work with Claude Code?
Yes. Set the ANTHROPIC_BASE_URL environment variable to https://api.claudexia.tech (without /v1).
Can I use the OpenAI SDK?
Yes. Point the OpenAI SDK's base_url to https://api.claudexia.tech/v1 and use your Claudexia API key.
What's the API key format?
Claudexia API keys start with sk_cdx_.
Models & Features
What's the best model for coding?
Claude Sonnet 4.6 offers the best balance of speed and quality for coding tasks. Claude Opus 4.7 provides the highest quality when accuracy matters most.
Do models support vision?
Yes. All Claude models support image input.
What about extended thinking?
Extended thinking is available on Opus and Sonnet models. Enable it by passing a thinking parameter in your request.
What's the max context window?
200K tokens for most models, and 1M tokens for Claude Opus 4.7.
Are there rate limits?
Yes. Rate limits are configurable per API key from the Dashboard.
Account & Security
How do I get an API key?
Register at claudexia.tech, then go to Dashboard → API Keys to create one.
Can I have multiple keys?
Yes. You can create as many API keys as you need.
Can I restrict a key to specific models?
Yes. Per-key model restrictions are available in the Dashboard.
Is there 2FA?
Yes. TOTP-based two-factor authentication is available in your account settings.
How do I rotate my API key?
Create a new key in the Dashboard, update your applications to use it, then delete the old key.