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Email Structure & Domain Format Validator for Vendor Screening
x402
Email Structure & Domain Format Validator for Vendor Screening is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).
Validates email address syntax and domain formatting for vendor screening purposes, checking only structural correctness without sending email or verifying mailbox existence.
Price / call$0.01
Success—
StatusUnknown
How this service works
Email structure check for Vendor screening: Check syntax and domain formatting only; it does not test whether a mailbox exists. DNS data only; does not send email or verify that an inbox exists.
Output
Returns a structural validation result indicating whether the submitted email address conforms to correct syntax rules and whether the domain portion is properly formatted. Does not confirm whether the mailbox actually exists or whether the domain has active mail servers; purely a format and DNS structure check.
Example use cases
Vendor onboarding email pre-check
“Before I add this new supplier to our system, can you validate that their contact email john.doe@acme-supplies.org has proper syntax and domain formatting?”
Bulk supplier list quality screen
“I have a vendor email address I need to screen — can you check if procurement@globalparts.net is structurally valid before we send out the RFP?”
Automated procurement form validation
“A vendor just submitted their onboarding form with the email contact@vendor-corp.com — can you run a structure and domain format check on it to make sure it's a properly formatted address?”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/demand-domain-email-structure-check-vendor-screening?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, low-cost syntax and domain format check for email addresses during vendor or supplier screening workflows, and you do not need to confirm whether the actual mailbox exists. Ideal for pre-validation before adding vendor contacts to a CRM or procurement system, or as a first-pass filter before running more expensive mailbox-existence checks.
Side effects
- Missing or empty email field returns validation error
- Malformed input (non-string) may return schema error
- Completely unparseable input may return a negative result rather than an error
- DNS lookup failures for domain portion may affect domain format result
- Rate limiting or payment failure may prevent call completion
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| string | Email address to inspect. |
Tags
x402
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