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Email Verification API
x402
Email Verification API is a paid API for AI agents from api.borisinc.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Validates an email address and returns deliverability, syntax, MX record, disposability, and risk assessment
Price / call$0.003
Success—
StatusUnknown
How this service works
Live Steam best-sellers, deals, per-app detail and IGDB metadata, Twitch hype scores, and agent utilities for verification and extraction. From $0.001 a call, free samples on every endpoint, auth-then-capture. MCP and HTTP.
Output
Returns a JSON object with: risk level (e.g. 'low'), whether MX records were found, whether the address is disposable, the MX provider name (e.g. 'Google Workspace'), whether it is a role account, whether syntax is valid, and a deliverability score from 0–100.
Example use cases
Screen sign-up email before onboarding
“Before we create an account for this new user, check if their email address sarah.jones@gmail.com is valid, deliverable, and not a throwaway — I don't want fake signups getting through.”
Detect disposable emails in lead list
“Can you check whether the email address temp-user@mailinator.com is a disposable or burner address? I need to flag low-quality leads before importing them into our CRM.”
Validate contact email before outreach campaign
“I'm about to send a cold outreach email to contact@acmecorp.io — can you first verify it has working MX records and a high deliverability score so I don't waste the send?”
Technical details
Endpoint
GEThttps://api.borisinc.com/paid/util/email-verifyWhen to prefer
Use this endpoint when you need a lightweight, pay-per-call email validation with no API key or account setup, especially in agent workflows requiring fraud screening, list hygiene, or pre-send deliverability checks. Prefer this over heavyweight email verification platforms when cost per call and simplicity matter.
Side effects
- Missing or malformed email query parameter returns an error
- Domain has no MX records — mx_found returns false and deliverability_score may be 0
- Network timeout when querying remote MX servers
- Disposable email provider database may lag behind newly created throwaway domains
- Role account detection may produce false positives for legitimate shared inboxes
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"risk": "low",
"mx_found": true,
"disposable": false,
"mx_provider": "Google Workspace",
"role_account": false,
"valid_syntax": true,
"deliverability_score": 100
}
}Tags
x402
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