FCE — Disposable Inbox API for OTPs
Test signup flows with disposable inboxes and OTP parsing
What is FCE — Disposable Inbox API for OTPs?
FreeCustom.Email now provides a full developer API for creating disposable inboxes programmatically. Built for testing signup flows, automation, and OTP verification. Features: • Automatic OTP / verification code extraction • Real-time email delivery via WebSockets • CLI for scripting and automation • Attachment support up to 50MB • Custom domain inboxes • Non-expiring request credits Free plan available — no credit card required. Try it live → freecustom.email/api/playground
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