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Webmail Lookup
x402
Webmail Lookup is a paid API for AI agents from webmaillookup.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-28).
Returns webmail provider information for a given email address or domain
Price / call$0.005
Success—
StatusUnknown
How this service works
Look up webmail provider information
Output
Returns webmail provider information associated with the given email address or domain, such as the provider name (e.g. Gmail, Outlook, Yahoo) and potentially configuration details about the mail hosting service.
Example use cases
Email provider identification for onboarding
“Before we send onboarding instructions, can you check what webmail provider handles support@newclient.io so I know which mail client setup guide to send them?”
CRM contact enrichment
“I have a list of leads — can you look up the webmail provider for jane.smith@techstartup.com so I can tag her record with the right email platform?”
Detect provider before integration setup
“We're setting up an email integration for hello@mybusiness.org — can you find out which webmail service they're using so we know what OAuth flow or IMAP settings to configure?”
Technical details
Endpoint
POSThttps://webmaillookup.com/public_api/v1/get_webmail_info?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to identify the webmail provider for a specific email address or domain, particularly for enriching contact records, tailoring email client instructions, routing support flows by provider, or gating integrations based on email platform. Prefer this over manual DNS/MX lookups when you need a quick, structured, human-readable provider result without doing raw DNS parsing yourself.
Side effects
- Unknown or obscure domain with no detectable webmail provider returns empty or null provider data
- Invalid email format may result in a validation error or empty response
- Private or custom mail servers may not map to a known webmail provider
- Network timeout or service unavailability returns a server error
- Domain does not exist or has no MX records, resulting in no provider resolution
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| string | An email address or domain to look up |
Tags
x402
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