Charles is an enterprise WhatsApp platform with monthly base fees starting at €349-€499 plus per-conversation Meta fees and Charles markup. No free tier or trial available; requires sales process and contract.

Charles provides WhatsApp Business API with enterprise-focused features. Monthly base fees range from €349-€499 for entry-level packages and exceed €1,000 for larger enterprises. Per-conversation costs include Meta fees (varying by conversation type and region) plus Charles markup. Marketing conversations cost approximately 0.11 EUR per message in Germany. Platform requires sales engagement with no self-serve option.
Enterprise WhatsApp Business API platform with compliance and automation
Starting Price
Official WhatsApp Business Solution Provider for omnichannel messaging
Founded
Infobip is an official WhatsApp Business Solution Provider (BSP) that allows businesses to manage WhatsApp communications within the Infobip platform and across multiple modules. The platform enables businesses to connect with customers through real-time chat, automated flows, bulk campaigns, and agent support, all from a single platform.
Flexible SMS, MMS, Voice, WhatsApp and Video APIs
Founded
G2 Rating
Starting Price
Twilio Messaging provides pay-per-use APIs for SMS, MMS, WhatsApp, and voice messaging with no monthly minimums. Uses per-message and per-minute billing with global coverage.
WhatsApp Business API with bulk messaging, chatbots, and sales automation
G2 Rating
Starting Price
DoubleTick offers subscription plans starting at $21/single user or $141.58/month for Starter plan. Includes 12.8% markup on WhatsApp messaging costs plus subscription fees with unlimited bulk messaging and AI features.