Core Nexis vs WAservix

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

Core Nexis compared with WAservix
Detail	Core Nexis	WAservix
What it does	Production-ready APIs for email validation, image CDN, PDF and HTML rendering, OCR, QR codes and image conversion	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	Freemium	Freemium
Pricing	Markdown to PDF: Free (50/mo), $4.99/mo (1,000/mo), $12.99/mo (5,000/mo), $24.99/mo (15,000/mo), Custom; HTML to PDF: Free (30/mo), $6.99/mo (500/mo), $19.99/mo (2,500/mo), $39.99/mo (8,000/mo), Custom; Image to Text OCR: Free (50/mo), $4.99/mo (500/mo), $14.99/mo (2,000/mo), $29.99/mo (5,000/mo), C	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	HTML and CSS rendering for PDF conversion with JavaScript execution OCR with 30+ language support and auto-detection Real-time email verification with SMTP and DNS checks Global CDN with flexible image storage and social sharing QR code and barcode generation with logo embedding Image format conversion across 25+ formats including AVIF, HEIC and JPEG XL Markdown to PDF conversion with syntax highlighting and custom fonts Language-agnostic RESTful APIs supporting multiple programming languages SLA with 99.9% uptime on paid plans	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	Free tier for all APIs enables testing with real data before paid commitment Trusted by 12,000+ developers worldwide with production-ready, stable APIs Nine integrated APIs covering documents, email, and images in one platform	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)	37 +2 (up) since last check	4 +3 (up) since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	18	17
Referring domains (Majestic)	11	5

5 details filled in for both companies.

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