ShieldSignup

Providers/1secmail

Disposable / temporary
email_disposable

1secmail

1secmail (and clones) expose simple APIs and web UIs for generating disposable addresses in seconds.

API-friendly temp mail is especially attractive to bots that create thousands of unique signup emails programmatically.

Example domains

Public domains commonly associated with 1secmail. ShieldSignup coverage is broader (marketing: 94,000+ disposable domains) — this page lists examples only, not every domain the provider may use.

  • 1secmail.com
  • 1secmail.org
  • 1secmail.net

Block with ShieldSignup

Call POST /v1/assess with the signup email. For known domains of this type, expect reason code email_disposable and signals.email.disposable: true.

curl -sS -X POST https://www.shieldsignup.com/v1/assess \
  -H "Authorization: Bearer sk_live_…" \
  -H "Content-Type: application/json" \
  -d '{"email":"user@1secmail.com","ip":"203.0.113.10"}'

Read the temporary email blocking guide →

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