In‑car chatbot platforms and SDKs for CarPlay integrations cover the software and voice‑AI building blocks that enable hands‑free, conversational experiences in vehicle infotainment systems. As of 2026‑02‑07 the space is defined by a few practical priorities: ultra‑low latency full‑duplex voice, robust text‑to‑speech and speech‑to‑text, multilingual support, privacy and on‑device options, and seamless handoffs to backend workflows (CRMs, scheduling, and human agents). Key approaches and tools in this category include open‑source voice‑language models like Voila (engineered for real‑time, persona‑aware conversations with ~195 ms full‑duplex latency), cloud and API TTS platforms such as Murf AI (studio‑grade voices, 200+ voices and multilingual dubbing, real‑time voice APIs), and conversational agent offerings tailored to service flows — for example Voice AI’s MAIA for 24/7 customer engagement and Simple Phones’ AI Phone Assistant for call answering, booking, and CRM integration. Complementary capabilities such as AI Phone’s real‑time translation/captions and CRM Messaging’s multichannel connector show how in‑car agents can bridge voice interactions with backend workflows. Practical considerations for CarPlay deployments include meeting safety and regulatory constraints, minimizing distraction through context‑aware prompts, ensuring low latency for natural duplex conversations, and providing secure CRM handoffs. Developers can choose between edge‑optimized or cloud‑assisted stacks, integrate TTS/STT APIs for localized speech, and use agent frameworks or marketplaces to surface prebuilt skills (scheduling, FAQs, navigation). The result is a growing ecosystem where voice synthesis, transcription, and agent frameworks converge to support hands‑free customer service, in‑vehicle commerce, and driver assistance without sacrificing latency, privacy, or operational connectivity.