What's New in 2026
AB-400 is the successor to PL-400 for the Power Platform Developer Associate certification, reflecting Microsoft's shift to AI-assisted, agent-aware professional development on Power Platform.
Course Overview
AB-400 is Microsoft's professional developer certification for Power Platform, succeeding the PL-400 exam track. This 5-day instructor-led course covers the full professional development stack: building code apps, creating Power Apps Component Framework (PCF) components, writing Dataverse plug-ins and custom connectors, integrating with Azure and external APIs, automating with Power Automate, and using AI-assisted development with Foundry agents and Copilot capabilities. Extensive hands-on labs take you from solution architecture through to ALM and deployment. If you studied for or hold PL-400, this course updates your skills for the current certification and the AI-first Power Platform.
What You Will Learn
- Design and build professional solutions across Power Apps, Power Automate, and Dataverse
- Develop code apps and custom PCF components
- Write and deploy Dataverse plug-ins and custom connectors
- Integrate Power Platform with Azure services and external APIs
- Implement application lifecycle management (ALM) with solutions and pipelines
- Apply AI-assisted development using Copilot and Foundry agents
- Automate complex business processes with Power Automate
- Prepare for the AB-400 Power Platform Developer Associate exam
Certification & Exam
Exam AB-400: Power Platform Developer. Exam fee: $165 USD. Certification: Microsoft Certified: Power Platform Developer Associate. AB-400 succeeds the PL-400 exam track — check the official Microsoft Learn page for current objectives and transition details.
