AI APIs

Master every AI API that matters. 50 topics covering frontier LLMs (OpenAI, Anthropic, Google, xAI, Mistral, Cohere, DeepSeek, Qwen), open-model hosting (Replicate, HuggingFace, Groq, Together, Fireworks, Perplexity), cloud AI (AWS Bedrock, Azure OpenAI, Vertex AI, watsonx, Databricks), voice & speech (Whisper, ElevenLabs, Deepgram, AssemblyAI, Cartesia), image & video gen (Stability, Flux, DALL-E, Imagen, Runway, Luma, Pika, Kling), and specialized APIs (Assistants, Computer Use, Exa, Tavily, Browserbase, Jina, Voyage, Mixedbread).

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50 APIs

300 Lessons

6 Categories

100% Free

All Topics

50 APIs organized into 6 categories spanning the full AI API landscape.

Frontier LLM APIs

OpenAI API

Master the OpenAI API: GPT-5, GPT-4o, o-series reasoning models, structured outputs, function calling, batch API, and the patterns that ship the most production AI today.

Anthropic Claude API

Master the Anthropic API: Claude Opus 4.7, Sonnet, Haiku. Learn prompt caching, tool use, vision, computer use, message batches, and Claude-specific best practices.

Google Gemini API

Master the Google Gemini API: 2.0 Flash, 2.5 Pro, long context (1M-2M tokens), native multimodal, code execution, search grounding, and Vertex AI integration.

xAI Grok API

Master the xAI Grok API: Grok 3, Grok 4, real-time X data access, OpenAI-compatible interface, and the patterns for using Grok in production apps.

Mistral AI API

Master the Mistral AI API: Large 2, Codestral, Mixtral, Pixtral. Learn la Plateforme, Le Chat, function calling, JSON mode, and Mistral's European AI offering.

Cohere API

Master the Cohere API: Command R+, Embed v3, Rerank v3, the enterprise-focused AI provider. Learn RAG-native features and the patterns for cost-effective Cohere use.

AI21 Labs API

Master the AI21 Labs API: Jamba 1.5 (hybrid Mamba-Transformer), Maestro orchestration. Learn the long-context efficiency story and AI21's enterprise positioning.

DeepSeek API

Master the DeepSeek API: DeepSeek-V3, DeepSeek-R1 reasoning model. Learn why DeepSeek delivers GPT-4-class performance at 1/10 the cost.

Alibaba Qwen API

Master the Alibaba Qwen API: Qwen2.5, Qwen-VL, Qwen-Coder, QwQ reasoning. Learn the Chinese AI leader's open and closed model offerings.

Reka AI API

Master the Reka API: Reka Core, Flash, Edge multimodal models. Learn native video understanding, on-device deployment, and Reka's multimodal-first approach.

Open-Model Hosting

Replicate API

Master the Replicate API: run 1000+ open models with one API. Learn versioned models, prediction objects, webhooks, custom Cog deployments.

HuggingFace Inference API

Master the HuggingFace Inference API: serverless inference for 200k+ models. Learn Inference Endpoints, Inference Providers (Together, Replicate, etc.), and TGI hosted.

Groq API

Master the Groq API: 500-1000+ tokens/s LLM inference on the Groq LPU. Learn the OpenAI-compatible API, model selection, and when speed matters most.

Together AI API

Master the Together AI API: 200+ open models, fine-tuning, batch inference, code interpreter. Learn the most comprehensive open-model API platform.

Fireworks AI API

Master the Fireworks AI API: fast open-model inference + FireFunction-V2 + custom fine-tuning. Learn function calling, JSON mode, and the FireOptimizer.

Anyscale Endpoints

Master Anyscale Endpoints: open-model inference built on Ray Serve. Learn JSON mode, function calling, and Anyscale's private deployments.

DeepInfra API

Master the DeepInfra API: cheap and fast open-model inference. Learn the OpenAI-compatible API, model catalog, and DeepInfra's price-performance positioning.

OctoAI / NVIDIA NIM API

Master OctoAI (acquired by NVIDIA, now NIM API): managed inference for open models. Learn OctoStack, fine-tuning, and the NVIDIA-NIM transition path.

Perplexity API

Master the Perplexity API: Sonar models with built-in web search and citations. Learn online vs chat models, citation handling, and search-augmented generation.

SambaNova Cloud API

Master the SambaNova Cloud API: ultra-fast Llama-3.3-405B inference on RDU. Learn the OpenAI-compatible API, model availability, and SambaNova's speed advantage.

Cloud AI APIs

AWS Bedrock

Master AWS Bedrock: managed access to foundation models from Anthropic, Meta, Cohere, Mistral, Amazon Titan, plus Bedrock Agents and Knowledge Bases.

Azure OpenAI Service

Master Azure OpenAI Service: enterprise-grade access to OpenAI models with private networking, content filtering, regional availability, and Microsoft integration.

Google Vertex AI

Master Google Vertex AI: managed Gemini, Model Garden, AutoML, custom training, Vertex AI Agent Builder, and enterprise GCP AI integration.

AWS SageMaker JumpStart

Master AWS SageMaker JumpStart: pre-trained foundation models deployed in your VPC. Learn the model hub, real-time inference endpoints, and async inference.

Oracle Cloud GenAI

Master Oracle Cloud Generative AI: managed access to Cohere and Meta Llama models, fine-tuning, and Oracle's enterprise AI integration.

IBM watsonx.ai

Master IBM watsonx.ai: enterprise-grade AI with Granite models, indemnification, watsonx.governance, and IBM's hybrid-cloud AI play.

Databricks Model Serving

Master Databricks Model Serving: Foundation Model APIs (Llama, DBRX, Mixtral), provisioned throughput, custom model serving, and MLflow integration.

NVIDIA NIM API

Master the NVIDIA NIM API: pre-optimized inference microservices for Llama, Mistral, NeMo, and more. Learn NIM containers, build.nvidia.com, and self-hosted NIMs.

Voice & Speech APIs

OpenAI Whisper / Realtime API

Master OpenAI's voice APIs: Whisper for transcription, gpt-4o Realtime for low-latency voice conversation, and the patterns for production voice AI.

ElevenLabs API

Master the ElevenLabs API: state-of-the-art TTS, voice cloning, dubbing, and Conversational AI agents. Learn voices, models, and the production deployment patterns.

Deepgram API

Master the Deepgram API: fast, accurate STT with Nova-3, Aura TTS, real-time streaming, and the patterns for telephony, meetings, and voice agents.

AssemblyAI API

Master the AssemblyAI API: Universal-2 STT, summarization, topic detection, sentiment, PII redaction. Learn the audio-AI swiss-army-knife API.

Cartesia API

Master the Cartesia API: Sonic, the fastest TTS model. Learn voice cloning, low-latency streaming, and the patterns for sub-200ms voice generation.

PlayHT API

Master the PlayHT API: Play 3.0 mini, voice cloning, conversational TTS, and the patterns for podcast-quality voice generation at scale.

Image & Video Generation APIs

Stability AI API

Master the Stability AI API: SD 3.5 Large, SD 3.5 Medium, image-to-image, inpainting, upscaling, and the original open-image-model platform.

Black Forest Labs Flux API

Master the Flux API: FLUX.1 [pro], [dev], [schnell] from the original Stable Diffusion authors. Learn quality vs speed tradeoffs and best-in-class image generation.

OpenAI Image API (gpt-image-1, DALL-E)

Master the OpenAI Image API: gpt-image-1 (4o-image), DALL-E 3, image edits, variations, multi-turn editing. Learn the OpenAI image generation patterns.

Google Imagen API

Master the Google Imagen API: Imagen 3, Imagen 4 photorealistic generation. Learn safety controls, aspect ratios, and Vertex AI integration.

Runway ML API

Master the Runway ML API: Gen-3 Alpha, Gen-3 Alpha Turbo for text-to-video and image-to-video. Learn the patterns for production AI video generation.

Luma AI Dream Machine API

Master the Luma Dream Machine API: text-to-video, image-to-video, video-to-video. Learn keyframes, camera controls, and the patterns for cinematic AI video.

Pika Labs API

Master the Pika Labs API: Pika 1.5, Pikaffects (effects-driven generation). Learn the creative-effect-focused video API and Pika's stylized generation patterns.

Kling AI API

Master the Kling AI API: Kuaishou's text-to-video model with up to 2-minute generations. Learn motion brush, camera movement, and the Kling production patterns.

Specialized AI APIs

OpenAI Assistants API

Master the OpenAI Assistants API: managed agents with threads, file_search, code_interpreter, function calling. Learn when Assistants beats raw chat completions.

Anthropic Computer Use API

Master the Anthropic Computer Use API: Claude controls a desktop via screenshots and mouse/keyboard tools. Learn the API surface, sandboxing, and safety patterns.

Exa Search API

Master the Exa API: neural search built for AI agents. Learn neural vs keyword search, filtering, similarity search, and the answer endpoint.

Tavily Search API

Master the Tavily API: search API designed for LLM agents. Learn search depth, raw vs answer modes, and the patterns for grounded LLM responses.

Browserbase API

Master the Browserbase API: managed browser automation for AI agents. Learn sessions, stealth, proxy rotation, captcha solving, and Stagehand integration.

Jina AI API

Master the Jina AI API: jina-embeddings-v3, jina-reranker-v2, ColPali, jina-clip-v1, and the Jina Reader. Learn the comprehensive multimodal embedding stack.

Voyage AI API

Master the Voyage AI API: voyage-3, voyage-3-large embeddings + voyage-rerank-2. Learn domain-tuned embeddings (code, finance, legal) and the highest MTEB scores.

Mixedbread AI API

Master the Mixedbread AI API: mxbai-embed-large-v1, mxbai-rerank-v2, mxbai-cls. Learn the production-grade open embeddings and reranker stack.

Why an AI APIs Track?

The AI API market is sprawling, fragmented, and changing weekly. This track gives you a single up-to-date map.

🔬

Frontier + Open

Frontier LLM providers (OpenAI, Anthropic, Google, xAI, Mistral, Cohere, DeepSeek, Qwen) plus open-model hosting (Replicate, Together, Fireworks, Groq, Perplexity).

☀

Every Hyperscaler

AWS Bedrock and SageMaker, Azure OpenAI, Google Vertex AI, Oracle GenAI, IBM watsonx, Databricks Model Serving, NVIDIA NIM.

🎧

Voice + Image + Video

OpenAI Whisper/Realtime, ElevenLabs, Deepgram, AssemblyAI, Cartesia, Stability, Flux, DALL-E, Imagen, Runway, Luma, Pika, Kling.

🔍

Specialized APIs

OpenAI Assistants, Anthropic Computer Use, Exa and Tavily search, Browserbase, Jina, Voyage, Mixedbread embeddings & rerankers.