Answer
Use IActionResult or ActionResult<T> for flexible responses.
Supports content negotiation and custom response formatting.
Quick Answer
Handle API response formatting: return typed ActionResult for auto-serialization. Use ProducesResponseType attributes for Swagger documentation. Set Content-Type in responses. Implement custom output formatters for non-JSON formats. Use ProblemDetails for error responses (RFC 7807 standard). Consistent response structure: always include status, data, and error fields for predictable client handling.
S
SugharaIQ Editorial Team
Verified Answer
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Source: SugharaIQ