Ha Tang vs Vooks Public Catalog API

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 Vooks Public Catalog API
Detail	Ha Tang	Vooks Public Catalog API
What it does	Sell, support and get paid in one place, with AI doing the repetitive part	API for accessing Vooks' catalog of animated read-along storybooks and subscription pricing
Stage	Established	Not given
Founded	2015	Not given
Based in	VN	Not given
Pricing model	Not given	Free
Pricing	Not given	Free with rate limit of 600 requests per minute. Optional OAuth 2.0 token available to increase rate limit to 3,000 requests per minute.
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	Search and filter library by age, topic, language, audio and sort criteria Fetch individual titles with long descriptions Access published subscription plans and trial terms Batch operations for up to 20 reads in one round trip Asynchronous catalog export with OAuth 2.0 authentication RFC 9457 structured error responses Typed client library for npm and vooks CLI Agent plugin support via MCP Registry OpenAPI 3.1 documentation and API catalog RFC 9727
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 authentication required for catalog reads; no API key, form or quota needed Comprehensive filtering options for children's content by age, topic, language and more Semantic versioning guarantees 180 days minimum support after deprecation of prior versions
Community votes	0	0
DR (Domain Rating by Ahrefs)	3 no change since last check	63 no change since last check
Trust Flow (Majestic)	0	20
Citation Flow (Majestic)	15	29
Referring domains (Majestic)	3	722

3 details filled in for both companies.

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