AI API Collection
Tools for working with AI APIs and integrations
Anthropic API Builder
Build and test Anthropic Claude API requests with proper formatting
API Key Validator
Validate format and checksum of API keys (OpenAI, Anthropic, etc.) client-side
Function Calling Schema Builder
Build JSON schemas for OpenAI function calling and tool use
OpenAI API Builder
Construct OpenAI API requests visually and export code in multiple languages
Rate Limit Calculator
Calculate allowed requests and tokens per minute based on tier limits
AI Response Parser
Parse and visualize complex JSON responses from LLM APIs
Retry Strategy Generator
Generate exponential backoff and retry logic code for robust API calls
Streaming Response Simulator
Simulate and test UI handling of streaming LLM responses (SSE)
Tool Definition Generator
Generate standardized tool definitions for AI agents from code
Why Use Our AI Tools?
Free & Online
Use these tools directly in your browser without installation.
Private
All processing happens locally on your device where possible.
Efficient
Optimized for speed and productivity.