Verify users with a voice call code and a follow-up email code

Confirms a user's identity with a phone verification code, then a second code by email, for stronger security.

How the work actually flows

A straight line.

Pattern: Sequence (1)

flowchart TD trig>"user submits phone and email"]:::trig s0["call user with voice code"]:::task s1(("user enters voice code")):::human s2["email second code"]:::task s3(("user enters email code")):::human trig --> s0 s0 --> s1 s1 --> s2 s2 --> s3 out[/"two step verified identity"/]:::out pay{{"stronger security before access"}}:::pay s3 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff
Starts itA stepA personResultPayoff
Build size
Advanced

A larger build with multiple systems, AI reasoning, and custom rules.

Business functions
Voice & PhoneEmail AutomationImage & Media ProcessingSurvey & Feedback
Connects
ClickSend

The problem it solves

You need a reliable way to confirm someone really is who they say they are before granting access, but building a secure verification flow from scratch takes real engineering work. A single code by text or email alone can feel too easy to intercept.

Who it fits

Businesses that need extra login or signup security, like apps handling sensitive customer accounts.

How it works

  1. A user submits their phone number and email through a form
  2. A voice call reads them a verification code
  3. The user enters that code to confirm it matches
  4. If correct, a second code is emailed to them
  5. The user enters the email code to complete verification
What you get

Logins you can trust are real

You get a two-step voice and email check that confirms every user really is who they say they are.

What you get

A confirmed, two-step verified identity before granting access.

What you need

A ClickSend account and an email (SMTP) account.

We can build this. But should you?

The hard question is not how to build it. It is whether this is the right thing to build first.

That is what a Fractional Chief AI Officer figures out with you, before anyone writes a line of code.

Let's Talk Strategy

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