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Email Address Normalization for Vendor Screening
x402
Email Address Normalization 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).
Normalizes an email address by standardizing case and extracting any plus-address tag using DNS data only, without sending mail or verifying inbox existence.
Price / call$0.01
Success—
StatusUnknown
How this service works
Email address normalization for Vendor screening: Normalize case and identify a plus-address tag without sending mail. DNS data only; does not send email or verify that an inbox exists.
Output
Returns the normalized (lowercased) version of the email address, the canonical local part without any plus-address suffix, and the identified plus-address tag if present, derived purely from DNS-level parsing without sending mail or verifying inbox existence.
Example use cases
Vendor onboarding email deduplication
“We're onboarding a new supplier and their contact submitted 'Finance+AP@SupplierCorp.COM' — can you normalize that email and tell me if there's a plus tag so we can store the canonical address in our vendor database?”
Detecting plus-aliased supplier contacts
“I want to check whether the email 'vendor+screening@example.com' uses a plus-address alias — normalize it and extract the tag without sending anything to the inbox.”
Standardizing email case before vendor screening
“Before running our vendor due diligence check, normalize the email 'Sales.Contact+Bids@BigSupplier.ORG' to its canonical lowercase form and tell me if there's a subaddress tag in it.”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/demand-domain-email-normalize-vendor-screening?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to normalize vendor or supplier email addresses for deduplication or screening purposes and want to extract plus-address tags without triggering any email send or inbox verification. Prefer this over full email validation services when DNS-only, send-free parsing is required and when you specifically need plus-tag extraction as part of a vendor onboarding or screening workflow.
Side effects
- Malformed or syntactically invalid email input returns an error or empty result
- Email addresses with unusual TLDs may yield unexpected domain normalization
- Plus tags embedded in quoted local parts may not be parsed correctly
- No inbox verification is performed, so normalization does not confirm deliverability
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| string | Email address to inspect. |
Tags
x402
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