Appian Certification Program ACD300

The Appian Certified Lead Developer exam has a reputation for breadth, and many candidates underestimate how much ground it covers. Getcertkey closes those gaps with 37 practice questions that reflect the style and difficulty you can expect in 2026.

Appian ACD300 Exam Overview:

Certification Vendor:	Appian
Exam Name:	Appian Certified Lead Developer
Exam Number:	ACD300
Related Certifications:	Appian Certified Senior Developer
Exam Price:	$250 USD
Exam Format:	Scenario-Based, Multiple Choice, Multiple Response
Passing Score:	Not officially published (approx. 70%)
Certificate Validity Period:	18 months
Available Languages:	English
Exam Duration:	90 minutes
Real Exam Qty:	35–45
Recommended Training:	Appian Official Training Appian Community Learning
Exam Registration:	Appian Certification Portal Meazure Learning Scheduling
Sample Questions:
Exam Way:	Online proctored or in-person testing center via Meazure Learning
Pre Condition:	Appian Certified Senior Developer certification + 2+ years of hands-on Appian experience
Official Syllabus URL:	https://community.appian.com/learn/certifications/p/lead-developer

Appian ACD300 Exam Syllabus Topics:

ACD300 Exam FAQs for 2026 Candidates

Which certification does the ACD300 exam lead to?

The ACD300 exam is the official Appian exam behind the Appian Certified Lead Developer certification, validating the skills measured by the Appian Certified Lead Developer credential. It sits at the Lead / Advanced level of the Appian certification program. It also connects to Appian Certified Senior Developer, so the knowledge you build here carries over to those tracks as well.

How many questions are on the ACD300 exam, and how much time do I get?

The ACD300 exam contains 35–45 questions to be completed within 90 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.

What score do I need to pass the ACD300 exam, and what does it cost?

The passing score for the ACD300 exam is Not officially published (approx. 70%), and the official registration fee is $250 USD. Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 37 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.

Are there any prerequisites for the ACD300 exam?

Appian Certified Senior Developer certification + 2+ years of hands-on Appian experience Requirements can change when Appian revises its certification program, so confirm the current eligibility rules on the official exam page before you register.

How do I register for the ACD300 exam?

You can book the Appian Certified Lead Developer exam through the official registration channels below:

• Appian Certification Portal
• Meazure Learning Scheduling

As for delivery, the exam is offered in the following format: Online proctored or in-person testing center via Meazure Learning. Choose the option that suits you best when you book your seat.

What official training is recommended for the ACD300 exam?

Appian recommends the following training resources for the Appian Certified Lead Developer exam:

• Appian Official Training
• Appian Community Learning

Official courses build the foundation; the 37 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.

Can I try the ACD300 practice questions before I buy?

Yes. Getcertkey provides a free ACD300 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Appian revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.

What if I fail the ACD300 exam, and how is my order delivered?

Every Appian Certified Lead Developer purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.

Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.

What topics are covered in the ACD300 exam?

The Appian Certified Lead Developer exam blueprint is organized into 5 domains. The first three are:

• Advanced Data Management — 25% of the exam
• Integrations & Extensions — 20% of the exam
• Governance & Project Leadership — 10% of the exam

For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.

Appian Certified Lead Developer Sample Questions:

Question 1

Your application contains a process model that Is scheduled to run daily at a certain time, which kicks off a user input task to a specified user on the 1ST time zone for morning data collection The time zone is set to the (default) pm!timezone.
In this situation, what does the pm!tinezone reflect?

A. The default time zone for the environment as specified in the Administration Console
B. The time zone of the user who is completing the input task.
C. The line zone of the user who most recently published the process model
D. The time zone of the server where Applan is intuited

Question 2

For each requirement, match the most appropriate approach to creating or utilizing plug-ins Each approach will be used once.
Note: To change your responses, you may deselect your response by clicking the blank space at the top of the selection list.

Question 3

You need to design a complex Appian integration to call a RESTful API. The RESTful API will be used to update a case in a customer's legacy system.
What are three prerequisites for designing the integration?

A. Understand whether this integration will be used in an interface or in a process model
B. Understand the different error codes managed by the API and the process of error handing m Appall
C. Understand the content of the expected body. Deluding each field type and their limits
D. Define the HTTP method that the integration will use.
E. Understand the business rules to be applied to ensure the business logic of the data

Question 4

You are presented with the following application requirement:
Users must be able to navigate throughout the application while maintaining complete visibility in the application structure, and easily navigate to previous locations.'' Which Appian Interface Pattern would you recommend?

A. Implement an Activity History pattern to track an organizations activity measures.
B. implement a drilldown report pattern to show detailed information about report data.
C. Include a breadcrumbs pattern on applicable inert aces to show the organizational hierarchy
D. Use Bullous as Cards pattern on the home page lo prominently display application choices.

Solutions: