VaxVoIP Agent AI SDK vs WAservix

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

VaxVoIP Agent AI SDK compared with WAservix
Detail	VaxVoIP Agent AI SDK	WAservix
What it does	SIP-to-OpenAI gateway for building real-time multilingual AI voice agents	WhatsApp API gateway for your own WhatsApp number with REST API, webhooks and bulk campaigns
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	RW
Pricing model	Paid	Freemium
Pricing	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)	Plans start at $4.50 per month for one WhatsApp device, up to $79.00 per month. Free 3-day trial with no card required. Plans include unlimited messages, webhooks and campaigns. Yearly billing saves 20%.
Key features	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	Send text, images, documents, video, audio, locations and contact cards via REST API Real-time webhooks for incoming messages, delivery and read receipts Bulk campaigns with personalization and {{name}}-style variables Automatic keyword replies and 24/7 chatbot responses Account protection with human-like pacing and warm-up for new numbers Create and manage groups, add or remove members, get invite links Connect 1 to 25 WhatsApp numbers with separate keys and webhooks Full message and webhook logging with automatic STOP opt-outs
What makes it different	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	No Meta approval or business verification required — link your existing number via QR code like WhatsApp Web Unlimited messages included in every plan, pay per device not per message Compatible with WaSender API so existing integrations keep working Free 3-day trial with no card required
Community votes	0	2
DR (Domain Rating by Ahrefs)	21 −3 (down) since last check	4 +3 (up) since last check
Trust Flow (Majestic)	44	0
Citation Flow (Majestic)	31	17
Referring domains (Majestic)	95	5

5 details filled in for both companies.

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