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FAQ

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Account

4 questions
Two registration methods: scan WeChat QR to auto-register and login; or register via phone SMS first login. Auto-assigned to free tier after registration, no extra steps needed.
Use phone SMS code to login (no password needed). After login, go to 'Console → Settings' to change password.
After login, go to 'Console → API Keys', click 'Create API Key' to generate your exclusive API Key. API Key format: sk-xxx, can be used as api_key in OpenAI SDK.
Use email and password login. Keep your email available for verification and password recovery.

Billing

5 questions
Pay-as-you-go pricing based on token usage. Costs are calculated separately for input/output/cache creation/cache read tokens. Different models have different prices. Upstream prompt cached tokens have lower prices, significantly reducing costs.
After login, go to 'Console → Wallet', select amount, supports Alipay and WeChat Pay. Instant credit, no minimum.
Free Route provides daily free calls. Users can use gk2.com/free entry to call. Free users get 100 calls, higher tiers get more quota (Bronze 1000, Silver 2000, Gold 3000). Invite friends to increase daily quota, max +400 calls/day.
Membership tiers: Bronze ($9.9/mo), Silver ($19.9/mo), Gold ($29.9/mo). Enjoy lower pay-as-you-go discounts (0.95/0.9/0.85), higher daily free quota (1000-3000 calls), and faster request rates (RPM/TPM boost).
Plans are fixed call packages, deducted per call within validity, for users with stable usage; Membership is monthly subscription, with global discount + Free Quota + rate boost, suitable for long-term high-frequency use. Both can be combined.

API Use

5 questions
Supports Claude (Anthropic), GPT (OpenAI), Gemini (Google), as well as GLM, Kimi, MiniMax, Wenxin Yiyan and other domestic models, totaling 70+ models and growing. Full model list available on the 'Pricing' page.
API base URL is https://www.gk2.com/v1, compatible with OpenAI standard interface format.
Fully compatible. Simply replace base_url with https://www.gk2.com/v1, replace api_key with your API Key, no code changes needed for seamless migration. Also compatible with Anthropic Messages format.
Yes. Set stream: true in request parameters to enable SSE streaming output, fully compatible with OpenAI streaming interface. Supports automatic failover to backup channels on streaming failures.
Set environment variables ANTHROPIC_BASE_URL=https://www.gk2.com and ANTHROPIC_API_KEY=your-api-key to use in Claude Code. Note: do not add /v1 to the Base URL, Claude Code will append it automatically.

Other

3 questions
All data is transmitted using TLS encryption. API Keys are securely stored with bcrypt hashing. The system does not record conversation content, only usage data for billing. Users can delete API Keys and usage records at any time.
The platform has a built-in intelligent scheduling system that monitors each channel's health status. When an upstream failure is detected, it seamlessly switches to a backup channel within the same request, no user intervention needed. Failure recovery time is less than 1 second.
After login, contact via 'Console' page for online support, or follow WeChat for tech support. Members get priority support.