> ## Documentation Index > Fetch the complete documentation index at: https://help.chatarmin.com/llms.txt > Use this file to discover all available pages before exploring further. # Automated Leadgen on autopilot: Martech-leadgen through integrations > Chatarmin guide: Automated Leadgen on autopilot: Martech-leadgen through integrations Read this article to understand how you can use your CX- and CRM-infrastructure to grow your WhatsApp-list and build a fully-integrated WhatsApp-CRM to boost efficiency, transparency and profitability of your WhatsApp-revenue. Find and define more checkout-use-cases around your online-shop, where leads leave their phone numbers in the checkout, either optionally, or mandatory. Get inspired by our [Shopify integration](/integrations/shopify/shopify-integration), which offers a wide range of checkout-use-cases: Chatarmin help center image ..same accounts for your email CRM tool, that offers endpoints to retarget non-converted or non-engaged Email leads, automatically at scale using WhatsApp via Chatarmin. Checkout our example [klaviyo integration](/integrations/klaviyo/klaviyo-integration): Chatarmin help center image ..same accounts for your Customer Support Suite (CX Tool) that offers the chance to automatically retarget single-opted-in support-leads towards double-opted-in marketing-leads. Checkout our example [zendesk integration](/integrations/zendesk/zendesk-integration): Chatarmin help center image