Contact Verification API
Identity
The Contact Verification API validates whether an email address is deliverable, helping teams maintain clean, compliant contact lists. It reduces bounce rates, protects sender reputation, and supports CRM hygiene and regulatory compliance workflows.
Primary Use Cases
Verify email validity
Validate phone numbers
Standardize email and phone number formats
Clean CRM or marketing contact databases
API Function Name
contact_verification_email|contact_verification_phoneInput Parameters
Email verification
1 fields| Name | Type | Description | Example |
|---|---|---|---|
| string | Email to verify | john@example.com |
Phone verification
1 fields| Name | Type | Description | Example |
|---|---|---|---|
| phone | string | Phone number to verify | +8613512345678 |
Output Fields
Returned fields (normalized). Total: 13
| Field | Type | Description |
|---|---|---|
| format | string | Normalized email address |
| status | string | Verification result |
| prefix | string | Prefix |
| domain | string | Domain |
| status | string | Verification result: VALID or INVALID |
| type | string | Phone type |
| format_e164 | string | Normalized to E.164 |
| format_national | string | National format |
| format_i18n | string | International format |
| carrier | string | Carrier name |
| country | string | Country code，ISO-3166-2 |
| location | string | Location name |
| country_code | int | Country calling code |
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