PL-400: Microsoft Power Platform Developer

Pick how to study

• Try 10 free PL-400 questions
• PL-400 mock exam: timed, you pick the length
• PL-400 flashcards: spaced repetition
• PL-400 decision sheets: look-alike services, settled

The PL-400 exam

• Questions: 307

What PL-400 covers

Every question and flashcard is mapped to the PL-400: Microsoft Power Platform Developer skills outline so you only revise what is on the exam.

• Build Microsoft Power Platform solutions
• Extend the user experience
• Extend Microsoft Power Platform
• Develop integrations

Why earn the PL-400 certification in 2026

PL-400 is Microsoft's associate-level certification for Power Platform developers, being replaced by AB-400. Registration for PL-400 closes on 16 October 2026. Microsoft expects candidates to design, develop, test, and troubleshoot solution components using the Power Platform's extension points, with experience in languages such as JavaScript and C#. The exam covers building Power Platform solutions, extending the user experience, extending the Power Platform, and developing integrations.

Who should sit this exam

Professional developers extending Power Platform, plugin developers building Dataverse customizations, integration engineers creating custom connectors, and PCF component builders.

Exam tips

• Know the Power Apps Component Framework (PCF) lifecycle and manifest structure
• Understand Dataverse plug-in registration, execution pipeline, and debugging
• Practice building custom connectors with OpenAPI definitions and auth flows
• Review ALM automation: solution packaging, environment variables, and deployment

PL-400 study resources

• Build a study plan: tell us your exam date and we schedule daily practice and review sessions backwards from the date.
• Decision sheets: each sheet settles one choice between look-alike services, verdict first, then the comparison, then the traps.

Frequently asked about PL-400

How many questions are in the PL-400 practice exam?

The PL-400 practice exam covers Power Platform development, custom connectors, plug-ins, PCF controls, Azure integration, and ALM practices. The current question count is shown on the PL-400 landing page.

What programming languages does PL-400 require?

PL-400 requires strong C# skills for plug-in development, JavaScript/TypeScript for PCF controls and web resources, and familiarity with Power Fx, REST APIs, and Dataverse SDK.

What is the difference between PL-200 and PL-400?

PL-200 is for functional consultants using low-code tools, while PL-400 is for developers building custom code extensions, integrations, and complex solutions using pro-code development.

Microsoft certification changes

• AB-400 replaces PL-400 on 16 October 2026

Ready for PL-400?

Try the practice surface for free. Answer a few questions, see the spacing loop, then decide. Try 10 free PL-400 questions or browse the catalogue.