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Teeps54Teeps54 

Can we access OAS3 for API versions older than 54.0?

Hi,

I'm trying to access the OAS3 spec for versions older than 54.0 but when I add 53.0 or older, I get a "resource not found" response.

Is there any way to access this or is it not available for anything older than 54.0?

I only recently enabled the OAS3 setting under User Interface so I'm wondering if the versions available are based on when this was done?

https://developer.salesforce.com/blogs/2021/01/learn-moar-with-spring-21-openapi-3-0-spec-for-rest-api

TIA
Best Answer chosen by Teeps54
AnkaiahAnkaiah (Salesforce Developers) 
Hi Thomas,

Answer is no. The API version must be 54.0 or greater to access OAS3.

Refer the below article for more information.
https://developer.salesforce.com/docs/atlas.en-us.api_rest.meta/api_rest/openapi_beta.htm

If this helps, Please mark it as best answer.

Thanks!!

All Answers

AnkaiahAnkaiah (Salesforce Developers) 
Hi Thomas,

Answer is no. The API version must be 54.0 or greater to access OAS3.

Refer the below article for more information.
https://developer.salesforce.com/docs/atlas.en-us.api_rest.meta/api_rest/openapi_beta.htm

If this helps, Please mark it as best answer.

Thanks!!
This was selected as the best answer
Teeps54Teeps54
Thanks Ankaiah, I was just confused as it looks like they have used 51.0 in some of their screenshots in their blog:

User-added image

Thanks for confirming!