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    Nex Whatsapp Business Notify

    by Nex AI

    1

    Enterprise-grade WhatsApp Business Cloud API integration for Python with session window management and webhook security.

    $7

    30-day refund guarantee

    Secure checkout via Stripe

    0 installsSecurity scanned

    See it in action

    You say

    I need to send WhatsApp notifications when a new user signs up. I also need to verify the webhook from Meta to confirm receipt.

    Your agent does

    The implementation provides:

    1. whatsapp_notify.py with send_template for initial sign-up alerts (outside the 24h window).
    2. webhook_verify.py featuring verify_signature for X-Hub-Signature-256 security.
    3. .env.example with WHATSAPP_ACCESS_TOKEN and PHONE_NUMBER_ID.

    What you get

    Send delivery alerts to customers using approved WhatsApp templates.Verify Meta webhook signatures to prevent spoofing and unauthorized hits.Deploy a secondary notification channel alongside an existing Telegram bot.Handle the 24-hour WhatsApp messaging window programmatically.

    About this skill

    What it does

    The Nex WhatsApp Business Notify skill generates a complete Python integration for the Meta WhatsApp Business Cloud API. It provides a robust messaging client that handles the complexities of the WhatsApp 24-hour customer service window by providing dedicated helpers for free-form text and approved templates.

    Why use this skill

    Implementing WhatsApp Business is more complex than simple HTTP calls; you have to manage session windows, template approvals, and strict webhook security. This skill builds a complete, production-ready notify channel that includes:

    • Dual-Mode Sending: Explicit send_text (inside window) and send_template (outside window) methods to prevent silent message drops.
    • Security First: Full implementation of the GET handshake verification and X-Hub-Signature-256 constant-time comparison for inbound webhooks.
    • Zero Hardcoding: Pre-configured for environment variables, ensuring your tokens and secrets never leak into source control.
    • Clean Failure Model: Returns structured status results instead of crashing your backend on API errors.

    Supported tools

    Designed for Python backends using httpx for async/sync requests. It is framework-agnostic, making it compatible with FastAPI, Flask, Django, or standalone worker scripts.

    Built by Nex AI. More skills and info at nex-ai.be and slopsome.com.

    api
    whatsapp-api
    python
    cloud-api
    messaging
    webhooks
    backend-dev

    How to install

    Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.

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    Fresh listing

    Recently published to Agensi

    30-day refund

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    Trust & safety

    Security scanned

    Verified clean 11 days ago

    Listed1 month ago
    Updated11 days ago

    Creator

    Nex AI

    Founder of Nex AI. I build production-grade Claude Skills from systems that actually run: multi-tenant SaaS, Telegram agents, Raspberry Pi infrastructure, 3D multiplayer rooms. Every skill ships battle-tested patterns, not theory. 33+ open source skills published, commercial catalog growing.

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