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Plus-Address Detection for Email (Sales Operations)
x402
Plus-Address Detection for Email (Sales Operations) 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 address and returns the base mailbox, using DNS data only.
Price / call$0.01
Success—
StatusUnknown
How this service works
Plus-address detection for Sales operations: 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 the local part, the extracted base mailbox (the portion before the plus sign), and the tag itself, derived from DNS-level data without sending email or verifying inbox existence.
Example use cases
Deduplicating sales lead emails
“We're getting leads where people sign up with addresses like jane+trial@company.com — can you check if this is a plus-address and give me the real base mailbox so I can deduplicate our CRM?”
Detecting account creation abuse
“Flag any email address in our signup flow that uses plus-addressing so we can catch users creating multiple accounts — start with 'alice+free2@gmail.com'.”
Normalizing email before outreach
“Before we add 'bob.smith+newsletter@domain.com' to our sales sequence, check if it has a plus tag and return the clean base address I should use for outreach.”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/demand-domain-plus-address-check-sales-operations?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need lightweight, DNS-only plus-address detection without triggering any email send or inbox verification — ideal for CRM deduplication, sales lead normalization, or fraud/abuse detection at sign-up time. Prefer this over full email verification services when you only need to parse sub-addressing structure cheaply and quickly.
Side effects
- Invalid or malformed email address returns an error or null result
- Email with no plus tag returns a negative detection with the original address as the base
- DNS lookup failures may cause degraded results
- Catch-all or unusual domain configurations not reflected in output since no inbox verification is performed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| string | Email address to inspect. |
Tags
x402
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