Wapi Sender vs VaxVoIP Agent AI SDK

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Wapi Sender compared with VaxVoIP Agent AI SDK
Detail	Wapi Sender	VaxVoIP Agent AI SDK
What it does	WhatsApp automation platform with AI agents, visual flow builder, and APIs	SIP-to-OpenAI gateway for building real-time multilingual AI voice agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Paid
Pricing	Free trial: 7 days (payment method required, no charge). Paid plans: Basic $6.00/month per instance (1 connected WhatsApp number); Pro $15.00/month per instance (3 connected WhatsApp numbers); Plus $30.00/month (6 connected WhatsApp numbers); Business $45.00/month per instance (10 connected WhatsApp	Annual commercial licensing: 10 concurrent calls $1,480, 20 concurrent calls $2,620, 40 concurrent calls $4,420, 80 concurrent calls $6,420, 160 concurrent calls $8,860, Unlimited concurrent calls $10,680, Unlimited services and unlimited concurrent calls $16,860 (all USD, one year, contact sales)
Key features	Unlimited WhatsApp messages with no per-message fees Multi-instance management for connecting multiple WhatsApp numbers Real-time webhooks for message events AI Agent node for intelligent conversation routing Visual flow builder for no-code automation Support for text, images, videos, documents, voice and location messages Group messaging and channel support REST API and WebSocket support Official SDKs for Node.js, Python, and Laravel Claude Code integration via MCP server	SIP server and IP-PBX integration OpenAI real-time speech-to-speech models Multilingual voice interaction Real-time SIP audio processing Sample source code in C#, VB.NET, and Delphi 30-day fully functional trial Simplified OpenAI integration Commercial B2B deployment licensing
What makes it different	No per-message fees or daily message caps Connect multiple WhatsApp accounts from single centralized dashboard No-code flow builder with visual drag-and-drop interface Built-in AI Agent node using your own LLM credentials	Gateway handles SIP audio bridging so developers focus on voice-agent logic Direct real-time connection between SIP calls and OpenAI speech models Eliminates complex OpenAI protocol and media integration overhead Includes working sample projects with documentation and demo videos Supports natural multilingual conversations on live calls
Community votes	0	0
DR (Domain Rating by Ahrefs)	20 +1 (up) since last check	25 +1 (up) since last check
Trust Flow (Majestic)	5	44
Citation Flow (Majestic)	23	31
Referring domains (Majestic)	22	95

5 details filled in for both companies.

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