Salesforce Developer Blog

In-depth technical guides, tutorials, and best practices for Salesforce integrations.

calendar_today July 8, 2026 5 min read

Understanding JSON Serialization and Deserialization in Salesforce Apex

Learn how JSON.serialize and JSON.deserialize work natively in Salesforce. Understand performance limits, untyped parsing with Maps, and when to use type-safe deserialization.

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calendar_today July 7, 2026 4 min read

Why You Should Use Apex Wrapper Classes for Integration Payloads

Explore the architecture benefits of building dedicated Apex Wrapper classes. Discover why typed wrappers keep your codebase clean, maintainable, and highly mockable during testing.

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calendar_today July 6, 2026 6 min read

How to Handle Dynamic Key Structures and Nested Arrays in Apex

Dynamic JSON keys can break static compilation in Salesforce. Learn advanced deserialization techniques using untyped parsing (Map<String, Object>) to parse unpredictable API structures.

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calendar_today July 5, 2026 5 min read

Best Practices for Writing Apex Test Classes with 100% Code Coverage

Salesforce mandates 75% test coverage, but wrappers deserve 100%. Step-by-step tutorial on writing reliable assertions, mocking Web Service calls, and verifying parsing failures.

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calendar_today July 4, 2026 4 min read

Common JSON Parsing Errors in Salesforce and How to Avoid Them

Troubleshoot standard Salesforce runtime errors like 'JSON_PARSER_ERROR' or type mismatch. Understand reserved keyword escaping and parsing empty vs null properties.

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