Penguin Publishing
Books
Books, book covers and related data
No keyCORSHTTPS
Wolne Lektury
API for obtaining information about e-books available on the WolneLektury.pl website
Verified 4 days ago: 100% uptime
API key
Not required
HTTPS
Supported
Browser calls
Yes, CORS enabled
Status
Live · 100/100
What our checks found
- Health score
- 100/100
- Reliability
- 100%
- Average latency
- 647ms
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
How to call it
A starting template for Wolne Lektury. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# No authentication required.
curl -s "https://wolnelektury.pl/ENDPOINT" \
-H "Accept: application/json"Where this listing comes from
Aggregated from one public source (public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
Other Books APIs
See all 33 →Quran
Books
RESTful Quran API with multiple languages
No keyCORSHTTPS
Rig Veda
Books
Gods and poets, their categories, and the verse meters, with the mandal and sukta number
No keyCORSHTTPS
Runyankole Bible
Books
Free REST API for the Runyankore-Rukiga Bible — 66 books, 31106 verses
No keyCORSHTTPS
Bhagavad Gita telugu
Books
Bhagavad Gita API in telugu and odia languages
No keyHTTPS
Bible-api
Books
Free Bible API with multiple languages
No keyHTTPS
Wolne Lektury — common questions
Answered from what our own scheduled checks found, not from the provider's marketing.
Is Wolne Lektury free to use?
Wolne Lektury is listed in our free catalogue and required no credential when we called it. It needs no authentication at all, so you can send a request without signing up. Free tiers can still carry rate limits or non-commercial terms, so check the provider's own terms before shipping.
Does Wolne Lektury need an API key?
No. We called Wolne Lektury on 2026-09-18 with no key, no token and no Authorization header, and it responded. That is what puts it in our no-key collection.
Can I call Wolne Lektury from browser JavaScript?
Yes. Wolne Lektury returned CORS headers when we checked it, so a browser will let your page read the response. You can fetch it directly from client-side JavaScript with no proxy and no backend.
Is Wolne Lektury still working?
Yes, as of 2026-09-18. Our automated check reached Wolne Lektury and recorded a 100% reliability score with a median response time of 647 ms. We re-check on a schedule, and this page updates with the result.
Is Wolne Lektury available over HTTPS?
Yes. Wolne Lektury serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.