API versioning allows you to alter behavior based on client's request. There are several way one can implement versioning in the API. In this presentation, all those factors are discussed.

1. Versioning APIs with ASP.NET Core
Shahriar Hossain
@shossain_tweet
#ASP.NET Core #Versioning

2.  Software Engineer & Consultant
 Microsoft MVP
 Tech Event Organizer
 Tech Blogger
Shahriar Hossain

3. What is API versioning ?

4. When to do API versioning ?
 Side by Side deployment not feasible
 Need to Support both versions by Code

5. Types of API versioning ?
• URI Path
• Namespace
• Query String
Versioning with URI
• Custom Header
• Accept Header
Versioning with Header
• Content Type
Versioning with ContentType
• Custom Reader/Resolver
Other approach

6. Versioning with URI
Query String:
 /api/foo
 /api/foo?api-version=1.0
 /api/foo?api-version=2.0-Alpha
 /api/foo?api-version=2019-02-02
 /api/foo?ver=2019-02-02
URI Path:
 /api/v1/foo
 /api/v2/foo

7. Versioning with Header
Custom Header:
 GET /api/foo HTTP/1.1
 Host : localhost: 5000
 Content-Type: Application/json
 X-Version: 2.0
Accept Header:
 GET /api/foo HTTP/1.1
 Host : localhost : 5000
 Content-Type : Application/json
 Accept : application/json; version = 2.0

8. Versioning with Content-Type
 GET /api/foo HTTP/1.1
 Host : localhost : 5000
 Content-Type : application/vnd.haveibeenpwned.v2+json
 Accept : application/vnd.haveibeenpwned.v2+json

9. Required Package

10. DEMO

11. Community Group
Microsoft Azure Bangladesh
• group: www.facebook.com/groups/microsoft.azure.bd
• page: fb.com/microsoft.azure.bd
Asp.Net - Bangladesh
• www.facebook.com/groups/asp.net.mvc.bd

12. Do you have any
Question?

13. Shahriar
Hossain
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http://LearnWithShahriar.wordpress.com

14. Thank You