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Public APIs
APIsA community-curated GitHub repository listing thousands of free public APIs, organized by category.
open-sourceweb
APIOpen SourceFree
The API for OpenAI's models, including GPT, embeddings, and image generation, with function calling support.
The OpenAI API gives developers programmatic access to frontier language models. You can build chat interfaces, classification systems, summarizers, and agents on top of models like GPT, call embeddings for search and RAG, and generate images. The API is straightforward REST, with streaming support for long responses and function calling to let models trigger tools in your app. Usage-based pricing means you scale costs with usage. It's the default starting point for most AI features, with deep documentation and an ecosystem of wrappers.
A community-curated GitHub repository listing thousands of free public APIs, organized by category.
The official API for automating GitHub — repos, issues, PRs, releases, and actions — from your own scripts.
Conversational AI assistant built by OpenAI. Capable of generating text, answering questions, writing code, and creative…
An AI assistant from Anthropic that's known for long, careful answers and a large context window. Good for writing, anal…
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