Why LLM APIs?
Large Language Models like Claude and GPT let you add intelligence — chatbots, summarizers, translators — to any app in minutes.
Getting API Keys
- Claude — Sign up at console.anthropic.com and generate a key
- OpenAI — Sign up at platform.openai.com and create a key
Basic Request Example
Both APIs follow a similar pattern — send a message, receive a response. Use axios or fetch in Node.js, or requests in Python.
Choosing the Right Model
Claude excels at long-context reasoning and writing. OpenAI GPT is great for quick Q&A and structured outputs. Try both and see which fits your use case.
Cost Management
Monitor token usage, cache common responses, and set usage limits to avoid billing surprises.
What to Build Next
Try a customer support chatbot, blog generator, or email assistant. The possibilities are endless.