Overview
Book search: find public-domain books by title or author across 61,000+ indexed Project Gutenberg books. Pass query (title or author substring) and optional limit (default 10, max 50). Returns JSON with matching books ranked by download popularity: book_id, title, author, Gutenberg release year, download_count and subjects. Use book_id with the metadata, chapter, quote and full-text search routes. No API key.
Protocol
x402 (POST)
Price
$0.0050
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
tools/search
Provider
library
Indexed
2026-07-29 14:19:03
Health
Status
healthy
Latency (p50)
259ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-10-28 06:59:29
Last Healthy
2026-10-28 06:59:29
Consecutive Failures
0
Input Schema
{
"body": {
"limit": 1,
"query": "Dickens"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"books": [
{
"author": "Dickens, Charles",
"book_id": 47530,
"download_count": 56085,
"gutenberg_release_year": "2014",
"original_publication_year": null,
"subjects": [
"Orphans -- Fiction",
"London (England) -- Fiction",
"Bildungsromans",
"Boys -- Fiction"
],
"title": "Oliver Twist, Vol. 2 (of 3)",
"year": "2014",
"year_type": "gutenberg_ebook_release"
}
],
"count": 1,
"coverage": {
"indexed": 61015,
"target": 61994
},
"query": "Dickens"
},
"type": "json"
}