API Directory

Mainstream AI APIs, docs, and integration reading paths

Start with the official entry point, API docs, and pricing overview before deciding whether to integrate now, keep evaluating, or route visitors into a topic page.

Focus APIs8
Integration reads4
Support tools6
FocusAPI / SDK

Cover the major APIs first, then expand into newer providers

OpenAIGeneral Conversation / General Assistant

ChatGPT

OpenAI's general AI assistant, strong for search, writing, analysis, and agent workflows

Text / image / voice / code Free tier / Subscription
AnthropicReasoning / Deep Research

Claude

Very strong for long-context work, document analysis, and knowledge tasks

Text / image / code Free tier / Subscription
GoogleMultimodal / Image & Video

Gemini

Google's general assistant and multimodal model entry point

Text / image / video / code Free tier / Subscription
DeepSeekReasoning / Deep Research

DeepSeek

A strong-value entry point for reasoning and coding

Text / code Free tier / API pay-as-you-go
AWSMultimodal / Image & Video

Amazon Nova

Amazon Nova models and agent services for enterprises and developers

Text / image / video / agent Usage-based / AWS billing
QwenMajor China model entry points

Qwen

Major China model entry points and open ecosystem access

Text / image / code Free tier / API pay-as-you-go
MetaOpen-source / Developer Ecosystem

Meta Llama

An important entry point into open-source models and the open ecosystem

Text / multimodal Open source / commercial terms
Moonshot AIMajor China model entry points

Kimi

Long-form reading, search, and knowledge-work assistant

Text / search Free tier / Subscription