sinch-verification-api

Official

Secure phone verification via SMS, call, or WhatsApp

Authorsinch
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill provides a secure, standardized way to verify phone numbers and deliver one-time passwords or carrier-level attestations to confirm number ownership and reduce account fraud.

Core Features & Use Cases

  • Multiple verification methods: SMS OTP, Flashcall (missed call CLI), Phone Call (spoken OTP), carrier Data (seamless), and WhatsApp OTP.
  • SDK and direct HTTP guidance: Instructions and references for using Sinch SDKs or direct API calls with application key and secret authentication.
  • Operational patterns and safety: Start-report-status flows, reporting by verification id, signed callback webhooks, rate-limit guidance, and signing best practices.
  • Use Cases: User registration and onboarding, two-factor authentication, passwordless login, account recovery, and anti-fraud verification flows.

Quick Start

Start an SMS verification for +12025550134 using your application key and secret and return the verification id.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: sinch-verification-api
Download link: https://github.com/sinch/skills/archive/main.zip#sinch-verification-api

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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