Vooks Public Catalog API vs GST Gateway

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

Vooks Public Catalog API compared with GST Gateway
Detail	Vooks Public Catalog API	GST Gateway
What it does	API for accessing Vooks' catalog of animated read-along storybooks and subscription pricing	E-invoices and e-way bills API for Indian businesses
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	IN
Pricing model	Free	Paid
Pricing	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.	Pay as you go: ₹1,000 for 1,000 credits, ₹2,500 for 4,000 credits, ₹5,000 for 10,000 credits, ₹10,000 for 25,000 credits, ₹25,000 for 70,000 credits. All prices exclude 18% GST. Credits valid for 12 months. Custom amounts between ₹1,000 and ₹1,00,000. Each API request or GSTIN login uses one credit.
Key features	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	Simple form to create e-invoices and e-way bills Excel batch upload for multiple documents API and SDK with code samples in six languages Node.js SDK with TypeScript types Automatic token management for GSTIN logins Automatic failover across three servers for read requests Cancel, change vehicle, extend validity and reprint in browser Free test mode with government test system AES-256-GCM encryption for GSTIN passwords API call logs for 8 years with audit trail
What makes it different	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	No duplicate IRN or e-way bill from retries: generate and cancel calls are never retried on another server Pay as you go from Rs 1,000 with no yearly plan or contract Phone and WhatsApp support in Tiruppur Monday to Saturday Direct connection to government system as licensed GST Suvidha Provider Built by team with years of GST software experience
Community votes	0	0
DR (Domain Rating by Ahrefs)	63 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	20	0
Citation Flow (Majestic)	29	0
Referring domains (Majestic)	722	0

5 details filled in for both companies.

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