Email Validation Schedule
Acknowledgement returned by /v3/email-validations/schedule. The jobId corresponds to a background job — poll /v3/background-jobs/{jobId} for status and result.
Background-job identifier — use with /v3/background-jobs/{jobId} to poll status
Number of contacts scheduled for validation (capped by available credits when acceptPartial = true)
Credits held against the team's quota for this job. Released for any contacts whose validation does not succeed.