Interakt offers WhatsApp Business API starting at $14/Full License with subscription-based pricing plus Meta conversation charges. Includes message templates and per-conversation fees with 25% markup on Meta's rates.

Interakt provides subscription-based WhatsApp messaging with monthly, quarterly, or annual billing options. The platform charges Meta's base WhatsApp conversation fees plus Interakt markup (e.g., Meta ₹0.695 marketing conversation = Interakt ₹0.871 on Growth plan, 25% markup). Includes message templates, team inbox, and automation features.
WhatsApp Business API platform with conversation pricing
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SMS, WhatsApp, and omnichannel messaging API platform
Founded
MessageBird is a CPaaS platform providing SMS, WhatsApp Business API, and multi-channel messaging services. Allows businesses to send and receive messages globally with support for rich media, fallback strategies, and high throughput.
AI-powered email marketing and SMS unified platform
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Klaviyo is an autonomous B2C CRM that unifies email, SMS, RCS, WhatsApp, and mobile push marketing with AI agents for personalized omnichannel campaigns. Serves 196,000+ customers managing 8 billion customer profiles.