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AI & Machine LearningIntermediate

Building AI Applications with APIs

Ship real AI products using OpenAI, Anthropic, and HuggingFace APIs.

20 hoursGera AI Tutor4.8 (4,600 learners)

About this course

A project-driven course for developers who want to build AI-powered products without training their own models. You will build four complete applications: an AI writing assistant, a document Q&A tool with RAG, an AI image generation pipeline, and a voice-to-text transcription service.

Target audience: Full-stack developers, product engineers, technical founders

What you will learn

  • LLM APIs
  • RAG
  • Vector databases
  • AI agents
  • FastAPI

Course syllabus

10 modules · video + projects

  1. 1LLM API fundamentals: authentication, rate limits, and cost management
  2. 2Building a streaming chat interface
  3. 3Document ingestion and embedding storage with a vector database
  4. 4Retrieval-augmented generation (RAG) from scratch
  5. 5Function calling and structured tool use
  6. 6Image generation with DALL-E and Stable Diffusion APIs
  7. 7Speech-to-text with Whisper
  8. 8Building multi-step AI agents with tool loops
  9. 9Deployment: wrapping your AI app in a FastAPI service
  10. 10Cost monitoring and output quality evaluation

Prerequisites

  • Python intermediate
  • Basic web concepts

Frequently asked questions

How much will API usage cost during the course?

Exercises are designed to use under $10 of API credits in total across OpenAI and Anthropic. Free-tier credits on new accounts usually cover the entire course.

Ready to start Building AI Applications with APIs?

Join 4,600+ learners already enrolled. Self-paced, certificate on completion.