# ConnectGain > ConnectGain is an omnichannel customer communication and CRM platform — unified inbox for WhatsApp, Messenger, Instagram, Telegram, TikTok, LinkedIn, Shopify Inbox and Email, plus CRM, deals, bot flows, sequences, AI re-engagement, call intelligence and analytics. ## Product - [ConnectGain website](https://connectgain.cloud): product marketing, pricing and sign-up - [ConnectGain app](https://dashboard.connectgain.cloud): sign in to the platform ## Documentation (primary knowledge base) - [Documentation home](https://docs.connectgain.cloud/): official user, admin, integration, API and webhook guides - [LLM index](https://docs.connectgain.cloud/llms.txt): curated documentation index for AI assistants - [Full docs corpus](https://docs.connectgain.cloud/llms-full.txt): entire published documentation in one file ## Key docs pages - [Quick Start](https://docs.connectgain.cloud/01-getting-started/quick-start/): get started in 5 minutes - [Unified Inbox](https://docs.connectgain.cloud/02-user-guide/inbox/): omnichannel messaging - [REST API overview](https://docs.connectgain.cloud/07-api/): API keys, endpoints and Postman collection - [Webhooks](https://docs.connectgain.cloud/08-webhooks/overview/): outbound HMAC-signed events - [FAQ](https://docs.connectgain.cloud/09-reference/faq/): frequently asked questions - [Feature fact sheet](https://docs.connectgain.cloud/04-use-cases/marketing-fact-sheet/): complete capability list