peppol.sh 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.

peppol.sh compared with Vooks Public Catalog API
Detail	peppol.sh	Vooks Public Catalog API
What it does	Send Peppol e-invoices from your app in one API call	API for accessing Vooks' catalog of animated read-along storybooks and subscription pricing
Stage	Not given	Not given
Founded	Not given	Not given
Based in	BE	Not given
Pricing model	Paid	Free
Pricing	Personal mode: €0.20 per invoice sent, minimum top-up €25. Connect mode (for multi-tenant platforms): €0.16 per invoice sent at €250 top-up, scaling down to €0.10 per invoice at €2,500+ top-ups. Credits never expire. Sandbox is free forever.	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	JSON to Peppol UBL conversion with automatic validation Multi-tenant support with unlimited connected entities EN 16931 and Peppol BIS 3.0 compliance validation OpenAPI 3.1 spec with typed SDKs	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	Fully API-driven with no dashboard required for any workflow	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)	25 −1 (down) since last check	63 no change since last check
Trust Flow (Majestic)	18	20
Citation Flow (Majestic)	20	29
Referring domains (Majestic)	20	722

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