Email

Score an email domain for disposable/temporary-mailbox risk

Runs six weighted checks (known disposable database, domain age via RDAP, MX validity, reputation, naming pattern, MX cross-reference) and returns a 0-100 score plus a safe/suspicious/disposable/high_risk classification. Use this to filter throwaway addresses out of a lead list. Rate limit: 20 requests/minute per IP.

post/api/v1/email/disposable

Request

  • Base URL: https://firstsales.io
  • URL: https://firstsales.io/api/v1/email/disposable
  • Auth: none required

Request body

emailstring email required

Response

Disposable-risk assessment.

scorenumber required
classification'safe' | 'suspicious' | 'disposable' | 'high_risk' required

Changes

No recorded changes to this operation across all 1 revision of this API.