#1MinuteTip Salesforce will be retiring all core SOAP, REST, and Bulk APIs with versions ranging from v7.0 to v20.0 in Summer ’22 release and these APIs will cease to function.
And In Summer ’23, core APIs with versions ranging from v21.0 to v30.0 will be formally retired and cease to function.
If you are still using these versions in your Org, it is time now to let them rest in peace.
For full details, please refer to URL https://developer.salesforce.com/blogs/2021/08/make-api-version-retirements-a-no-op
If you want to make with 2 clicks all the manual instructions of https://developer.salesforce.com/blogs/2021/08/make-api-version-retirements-a-no-op and have a list of legacy api usage in an CSV file, you can use a sfdx plugin command :
sfdx hardis:org:diagnose:legacyapi
For more details you can have a look in this article 🙂
https://nicolas.vuillamy.fr/handle-salesforce-api-versions-deprecation-like-a-pro-335065f52238