llm providers⏱10 minutes
Get Started with Anthropic
UnverifiedQuick Summary
“AI safety company building Claude, the helpful, harmless, and honest AI assistant.”
Best for: Applications requiring long document analysis
Time to first integration: 10 minutes
📋Prerequisites
- ✓Node.js 18+ installed
- ✓A Anthropic account — sign up here
- ✓An existing project (Next.js, React, or Node.js recommended)
Setup Steps
3 steps1
1
Get API key
Sign up at console.anthropic.com and create an API key.
2
2
Install SDK
Install the SDK for your language.
bash
npm install @anthropic-ai/sdk
# or
pip install anthropic3
3
Make your first call
Create a message with your model and prompt.
typescript
client.messages.create({ model: "claude-sonnet-4-20250514", messages: [...] })Common Gotchas
Watch out for these issues in your first week.
Token counting differs from OpenAI
Fix:
Related Guides
Setting up a full stack? Check out these complementary guides.