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Stage 7intermediate25 min

APIs, MCP & Connectors

Requests, responses, authentication and rate limits; then MCP and connectors as the standard way to give a model real capabilities.

Start with How an API call works

Lessons

  1. How an API call worksRequest, response, status code. Four ideas that explain every integration you will ever debug.7 min
  2. What a tool call really isThe model does not call anything. It writes a structured request, and your code decides what to do with it.6 min
  3. MCP and connectorsA standard way to expose capabilities to AI clients, so every tool does not need a bespoke integration with every application.6 min
  4. Keys, scopes and rate limitsThe operational half of integration — credentials that do not leak, permissions that stay narrow, and limits you handle instead of hitting.6 min