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is-yandex-address
x402
is-yandex-address is a paid API for AI agents from email.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-23).
Checks whether an email address belongs to a Yandex consumer mailbox domain (yandex.com, yandex.ru, ya.ru) and classifies it as personal vs. business.
Price / call$0.01
Success—
StatusUnknown
How this service works
Is this a yandex address (yandex.com, yandex.ru, ya.ru)? Matches the domain part against yandex's consumer mailbox domains and reports personal-vs-business, so CRM and lead rules can treat free-webmail signups differently. $0.01 per check.
Output
Returns a boolean indicating whether the email domain matches a known Yandex consumer mailbox domain (yandex.com, yandex.ru, ya.ru), along with a personal-vs-business classification to help downstream CRM or lead-scoring rules treat free-webmail signups differently.
Example use cases
CRM lead scoring filter
“We're getting signups and want to flag anyone who registered with a Yandex free email like yandex.com or ya.ru — can you check if contact@yandex.com is a personal webmail address so we can score them differently?”
B2B form validation
“Someone just submitted our enterprise demo request form with the email ivan@yandex.ru — can you tell me if that's a free Yandex consumer mailbox so I know whether to treat this as a real business lead?”
Email list segmentation
“I need to segment my mailing list and pull out anyone using a Yandex personal email — can you check if hello@ya.ru is a Yandex consumer address?”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/email/webmail/yandex?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a cheap, fast, single-call check specifically for Yandex consumer domains. Prefer this over a generic free-email checker when your CRM or lead rules need precise Yandex-specific detection (yandex.com, yandex.ru, ya.ru) with a personal/business flag. For bulk checking of many emails at once, look for the bulk variant of this endpoint.
Side effects
- Missing or malformed email address input returns an error
- Unknown or unsupported domain returns a negative match rather than an error
- Network timeout results in no classification
- Subdomains or custom domains hosted on Yandex infrastructure may not be detected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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