Learn Integration
REST, SOAP, platform events, CDC, middleware, and event-driven architecture.
114 questions in this topic
Visual guide for Integration
Concept at a glance
Integrations connect Salesforce to ERP, middleware, and event streams via REST, SOAP, and events.
- REST / Composite API
- Platform Events & CDC
- Middleware (MuleSoft)
- Idempotent error handling
Integrations connect Salesforce to ERP, middleware, and event streams via REST, SOAP, and events.
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Showing 12 of 114 Integration questions
What is a REST API integration with Salesforce?
An external ERP must create Accounts in Salesforce nightly. You explain REST at a high level.
What is OAuth for Salesforce integrations?
Middleware needs long-running access to Salesforce without a human logging in daily. You explain OAuth flows simply.
What is SOAP API and when is it still used?
A legacy billing system only supports SOAP. You explain why Salesforce still offers it.
What are Platform Events?
Order shipped in ERP should notify Salesforce without polling every minute. You introduce Platform Events.
What is Change Data Capture (CDC)?
Data warehouse needs near-real-time Salesforce Account changes. You explain CDC basics.
What is middleware and why use MuleSoft with Salesforce?
Five systems need Account updates. Point-to-point integrations become messy. You explain middleware role.
What is an external ID and why use it in integrations?
Same Contact syncs from marketing tool daily. You prevent duplicate Contacts with external ID.
What are callouts in Apex integrations?
Salesforce must POST order status to external shipping API from a trigger. You explain callout basics.
What is idempotency in integrations?
Network blip causes the same invoice POST twice. Finance sees duplicate Opportunities. You explain idempotency.
What is the Composite REST API?
Mobile app needs Account, Contact, and Opportunity created in one user action with one round trip.
How do you monitor integration failures?
Overnight sync failed silently last week. You list basic monitoring a junior should know.
What is an API rate limit in Salesforce?
Marketing platform hits API limit and CRM updates stop midday. You explain API limits simply.