Terms of Service

Last Updated: July 17, 2026

By using SignGuard (signguard.co), you agree to these terms. SignGuard provides APIs and tools to detect disposable and temporary email addresses.

Billing

Paid plans are billed monthly or annually via Dodo Payments. You can cancel anytime from your dashboard — your plan stays active until the end of your billing cycle, then downgrades to Free. All payments are non-refundable. No credits for unused time or API quota.

Prohibited Uses

You agree not to use the service for any malicious activity, including attempting to circumvent, disrupt, or copy the core functionality of the API. Violation of this clause will result in immediate permanent account termination without refund.

API Keys

You are responsible for keeping your API keys secure. Do not share or publicly expose them. We reserve the right to suspend accounts that abuse the service or exceed rate limits.