base_url to https://router.flatkey.ai/v1, keep your existing code, and start saving immediately — models are priced at up to 50% off official list.
Quickstart
Make your first API call in under 5 minutes
API Reference
Full endpoint reference with request and response examples
Model Directory
Browse all 300+ models, providers, and live pricing
Pricing & Credits
Understand subscription plans, usage billing, and account credits
How Flatkey works
1
Create your account
Sign up at console.flatkey.ai and choose the subscription plan that fits your usage.
2
Generate an API key
Open the Keys section in the dashboard and create a new API key. Keep it secret — treat it like a password.
3
Point your client to Flatkey
Set
base_url to https://router.flatkey.ai/v1 in your OpenAI-compatible SDK. No other code changes required.4
Monitor usage and costs
Track every request, token count, and dollar spent in the Usage dashboard. Set quotas to cap spend.
Why teams use Flatkey
One key, every model
Access GPT, Claude, Gemini, DeepSeek, Qwen, GLM, and more with a single API key and base URL.
Up to 50% savings
Models are priced at up to 50% off the official list price.
99.9% success rate
Automatic failover across upstream providers. Live health dashboards for every model.
Zero data retention
No storage of prompts or completions. GDPR compliant, SOC 2 and ISO 27001 aligned.
Drop-in replacement
OpenAI-compatible API. Change one line of code — no SDK rewrites, no migration overhead.
Subscription billing
Choose a plan that fits your workload and monitor usage in real time.
Explore the docs
Authentication
Learn how to create and use your Flatkey API key
OpenAI SDK Guide
Use Flatkey with the official OpenAI Python or Node.js SDK
Anthropic SDK Guide
Route Claude requests through Flatkey with the Anthropic SDK
Model Health
View real-time success rates and latency for every model