The Salesforce Certified Platform Integration Architect (Plat-Arch-204) exam validates your ability to design and implement integration solutions within the Salesforce ecosystem. This certification is ideal for architects and senior developers who need to assess system landscapes, translate business requirements into technical designs, and build scalable integration architectures. This page provides a clear roadmap of exam topics, question formats, and practical preparation strategies to help you approach the test with confidence.
Use this topic map to guide your study for Salesforce Plat-Arch-204 (Salesforce Certified Platform Integration Architect) within the Salesforce Architect path.
The Plat-Arch-204 exam uses multiple question types to evaluate both conceptual knowledge and applied decision-making. Questions progress in difficulty and reflect real-world integration challenges you will encounter as an architect.
Each question type emphasizes practical reasoning and the ability to apply architectural principles to complex, multi-faceted situations.
An effective study plan breaks the syllabus into manageable weekly goals and reinforces connections between topics. Dedicate time to hands-on practice and scenario analysis to build the judgment needed for architecture decisions.
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Design Integration Solutions and Evaluate Business Needs typically account for a significant portion of the exam. These topics test your ability to make sound architectural decisions and translate stakeholder goals into technical requirements, which are core skills for a Platform Integration Architect.
The topics form a natural workflow: you begin by assessing the current system landscape and business needs, then translate those findings into integration requirements, design a solution that meets those requirements, build and test the implementation, and finally establish maintenance and monitoring processes. Understanding these connections helps you answer scenario questions more effectively.
At least 2-3 years of experience with Salesforce integrations is recommended, including exposure to APIs, middleware platforms, and data transformation. Hands-on labs focusing on REST/SOAP APIs, middleware configuration, and error handling will strengthen your practical understanding and confidence on scenario-based questions.
Candidates often overlook non-functional requirements (scalability, security, compliance) when designing solutions, focus too narrowly on technology without considering business context, and fail to account for maintenance and monitoring in their architectural recommendations. Review each scenario for all dimensions of the problem, not just the obvious technical aspect.
Focus on scenario-based and simulation-style questions rather than memorizing definitions. Review your practice test results to identify patterns in weak areas, and spend time studying how architectural decisions trade off against each other (e.g., synchronous vs. asynchronous patterns). A final timed mock exam the day before will help you verify readiness and build confidence.
Northern Trail Outfitters is creating a distributable Salesforce package. The package needs to call into a Custom Apex REST endpoint in the central org. The security team wants to ensure a specific integration account is used in the central org that they will authorize after installation. Which item should an architect recommend?
For a distributable package to securely access a central 'Hub' org, the architecture must support the OAuth 2.0 Web Server Flow. This flow is designed for applications (like the package installed in a 'Spoke' org) that can securely store a Client Secret and need to act on behalf of a specific user.
The Connected App in the central org acts as the 'Identity and Access' gatekeeper. A critical component of the Connected App configuration is the Callback URL (Redirect URI). When a user in the 'Subscriber' org clicks 'Authorize,' Salesforce redirects them to the central org to log in. After successful authentication, the central org needs to know where to send the 'Authorization Code' back to.
In a multi-org packaging scenario, each subscriber org will have a unique instance URL (e.g., na15.salesforce.com). The architect must ensure that the Connected App's callback URLs are correctly configured to handle these redirects.
Option C (Encrypted Passwords) is a major security risk and is considered an 'anti-pattern' in modern integration. Option A is unnecessary, as API access is a standard feature. By using the Connected App with correct Callback URLs, the architect allows the security team in the central org to oversee exactly which 'Spoke' orgs have authorized access. They can use the 'Connected Apps OAuth Usage' page to monitor, rotate secrets, or revoke access for individual orgs, providing the granular security control required for an enterprise-grade distributed Salesforce architecture.
A developer is researching different implementations of the Streaming API (PushTopic, Change Data Capture, Generic Streaming, Platform Events) and asks for guidance. What should the architect consider when making the recommendation?
When recommending a streaming solution, the architect must evaluate how each event type handles Record-Level Security (Sharing). Change Data Capture (CDC) is unique because it ignores sharing settings for record change events. This means all records of an enabled object generate change events, regardless of whether a particular user has access to those records in the Salesforce UI.
While CDC disregards record-level sharing, it does respect Field-Level Security (FLS). Delivered events only include the fields that the subscribing user is permitted to access. This is a critical consideration for integrations: if a system requires a 'Master' view of all record changes across the enterprise (such as a data warehouse sync), CDC is the appropriate tool because it ensures no data is missed due to user-specific sharing constraints.
In contrast, PushTopic Events (Option A) provide a fixed payload based on a SOQL query and do not allow a 'custom' payload in the same sense as Platform Events. Platform Events (Option C) are published from Apex or external APIs, but CDC is a platform-native feature that broadcasts automatically when a database record is modified, rather than being 'published from Apex' by a developer.
Northern Trail Outfitters (NTO) uses a custom mobile app to interact with its customers. One of the features of the app is Salesforce Chatter Feeds. NTO wants to automatically post a Chatter item to Twitter whenever the post includes the #thanksNTO hashtag.
Which API should an integration architect use to meet this requirement?
When designing integrations that specifically involve Chatter, social collaboration, or Experience Cloud sites, the Connect REST API (formerly known as the Chatter REST API) is the architecturally recommended choice. While the standard REST API is optimized for CRUD operations on data records, the Connect REST API is specifically designed to handle the complex, nested structures of social feeds, including posts, comments, hashtags, and mentions.
The Connect REST API provides a specialized resource for feed elements that simplifies the process of identifying specific social markers like hashtags. In this use case, the mobile app or a middleware service can subscribe to or query the feed. The Connect REST API returns structured data where hashtags are identified as distinct message segments, making it trivial for an application logic to detect the #thanksNTO tag and trigger a subsequent call to the Twitter API.
From an architectural standpoint, using the Connect REST API offers several advantages over the standard REST API or Streaming API for this requirement:
Efficiency: Connect REST API responses are structured specifically for presentation in mobile applications, providing only the relevant social metadata and localized content needed for the feed.
Feature Richness: It provides native support for social actions such as liking, sharing, and following, which are often required alongside feed monitoring.
Scalability: It is designed to handle the high-volume, real-time nature of social interactions within Experience Cloud and mobile ecosystems.
While the Streaming API (Option B) can notify an application of record changes, it does not provide the rich, formatted social context that the Connect REST API delivers. The standard REST API (Option A) could technically access FeedItem records, but it would require significant custom parsing logic to identify hashtags within the raw body text, whereas the Connect REST API handles this segmenting natively. Therefore, for building custom mobile experiences that interact with Chatter data, the Connect REST API is the superior solution.
What should an integration architect recommend to ensure all integrations to the Northern Trail Outfitters' company portal use SSL mutual authentication?
To ensure that all integrations calling into a Salesforce portal are secured with Mutual Authentication, the architect must enable and configure specific platform-level security settings. The primary recommendation is to Enforce SSL/TLS Mutual Authentication for the relevant integration users.
Mutual Authentication (Two-way SSL) adds a layer of trust beyond the standard session-based authentication. When enforced, the Salesforce server requires the calling client to present a valid CA-signed certificate that matches a certificate stored in the org. This ensures that only authorized systems with the correct private key can establish a connection.
To implement this, the architect must first work with Salesforce support to enable the feature. Once enabled, a Mutual Authentication Certificate must be uploaded to the org, and a specific user profile---cloned for integration purposes---must have the 'Enforce SSL/TLS Mutual Authentication' permission enabled. This configuration forces the client to use port 8443 (the dedicated port for mutual TLS) for API calls, providing a highly secure, server-to-server connection that protects against impersonation and unauthorized data access.
Service agents at Northern Trail Outfitters use Salesforce to manage cases and B2C Commerce for ordering.22 Which integration solution should an architect recommend in order for the service agents to see order history from a business-to-consumer (B2C) Commerce system?
For organizations using both Salesforce Service Cloud and B2C Commerce (formerly Demandware), Salesforce provides a specialized, pre-built integrat25ion known as the Salesforce B2C Commerce to Service Cloud Connector. This connector is part of the Salesforce B2C Solution Architecture and is the recommended choice because it offers 'out-of-the-box' cross-cloud functionality.
The connector enables several critical business processes for service agents:
Unified Customer Profile: Synchronizes customer data between the two platforms, ensuring agents have the most current contact information.
Order History Visibility: Allows agents to view real-time order data and status from the Commerce system directly within the Service Console.
Service Actions: Enables agents to perform commerce-related tasks, such as 'Order on Behalf Of,' without leaving the Salesforce interface.
While an architect could build a custom integration using the Commerce REST API (Option A) or MuleSoft (Option C), these approaches require significant development, testing, and long-term maintenance effort. The B2C Connector reduces time-to-market and leverages Salesforce's own engineering to handle complex synchronization logic and API versioning. Recommending the standard connector aligns with the architectural principle of 'clicks before code' and ensures that the integration remains supported by Salesforce as both platforms evolve.
