IngestAI.io is a no-code/low-code AI platform in 2026 for building custom AI applications like knowledge base chatbots, copilots, automation tools, and advanced search using RAG and multiple LLM models. It supports easy data ingestion (docs, files, Notion), integrations with Slack/Discord/Telegram/WhatsApp/Teams, prompt engineering, and enterprise features like on-premise deployment. Ideal for businesses creating private, accurate AI assistants trained on internal data—free trial available with paid plans starting low.