Phone Numbers and Validation

SimZ accepts E.164 phone numbers and can normalize common US phone formats.

Accepted formats

Input	Result
`+15551234567`	Accepted as-is.
`(555) 123-4567`	Normalized to `+15551234567`.
`555-123-4567`	Normalized to `+15551234567`.

Rejection reasons

Missing phoneNumber.
Invalid phone format.
Duplicate phone number in the same batch.
Request exceeds the maximum leads per request.