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Plus-Address Detection for Email Security Review
x402
Plus-Address Detection for Email Security Review 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).
Detects sub-addressing (plus-addressing) in an email local part and returns the base mailbox using DNS data only.
Price / call$0.01
Success—
StatusUnknown
How this service works
Plus-address detection for Security review: Detect sub-addressing in an email local part and return the base mailbox. DNS data only; does not send email or verify that an inbox exists.
Output
Returns whether the submitted email address contains a plus-address sub-tag in its local part, and provides the base mailbox (the portion before the '+') using DNS data. Does not verify inbox existence or send any email.
Example use cases
Block duplicate registrations via plus aliases
“A user just signed up with alice+spam@gmail.com — can you detect if that's a plus-address trick and tell me the actual base mailbox they're using?”
Security audit of collected email list
“I have a suspicious email submission: support+test123@company.com — check if it's using sub-addressing so I know if someone is trying to game our system.”
Pre-validate email before account creation
“Before I create an account for the email john.doe+newsletter@outlook.com, can you tell me if it contains a plus-address tag and what the underlying base address is?”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/demand-domain-plus-address-check-security-review?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, read-only check to detect email sub-addressing (plus aliases) for security, fraud prevention, or deduplication purposes, without needing to send a verification email or confirm inbox existence. Ideal for pre-registration validation pipelines or security reviews of submitted email data.
Side effects
- Invalid email format returns an error or empty result
- Email without a plus sign returns no sub-address detected
- DNS lookup failures may affect domain resolution accuracy
- Malformed input may cause parsing errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| string | Email address to inspect. |
Tags
x402
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