Get File Import Validation Summary

GET https://{{et_subdomain}}.rest.marketingcloudapis.com/data/v1/async/import/{id}/validationsummary

https://developer.salesforce.com/docs/marketing/marketing-cloud/references/mc-importjobapi?meta=Get+validation+summary+of+a+one-time+data+import

Get validation summary of a data import by ID.