Ha Tang vs ChartQuery

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

Ha Tang compared with ChartQuery
Detail	Ha Tang	ChartQuery
What it does	Sell, support and get paid in one place, with AI doing the repetitive part	Generate beautiful charts with a simple API
Stage	Established	Startup
Founded	2015	2024
Based in	VN	FR
Pricing model	Not given	Not given
Pricing	Not given	Free plan: $0 with 60 requests per hour; Starter: $49/month for 750,000 credits/month; Pro: $149/month for 3,000,000 credits/month; Enterprise: Custom pricing for 15,000,000+ credits/month. Chart render costs 5 credits per call, diagram render 5 credits, AI chart generation 10 credits, AI diagram ge
Key features	Unified inbox for Zalo, Facebook, Instagram, TikTok, WhatsApp, Telegram, X, LINE and website chat AI assistant that answers from custom knowledge and drafts orders Resend-compatible email API for custom domains VietQR bank transfer payments with automatic order matching Automated e-invoice (hóa đơn điện tử) generation MCP server for AI coding agents Webhook support for integrations	28 diagram languages including Mermaid, PlantUML, GraphViz and D2 Multiple output formats (PNG, SVG, JPEG, PDF) AI chart and diagram generation from text descriptions Sub-500ms response times on average 99.95% uptime SLA GDPR compliant EU-hosted data processing Barcode and QR code generation
What makes it different	Built by engineers who use it in production across 25 countries Designed specifically for Vietnamese business needs including VietQR and e-invoices	No server maintenance required - no headless browser, canvas or Puppeteer needed AI-powered chart generation without JSON configuration Fast generation supporting thousands of visuals per minute without infrastructure provisioning
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 −1 (down) since last check	34 no change since last check
Trust Flow (Majestic)	0	15
Citation Flow (Majestic)	15	24
Referring domains (Majestic)	3	18

6 details filled in for both companies.

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