# Free Books in German (Project Gutenberg & Internet Archive)

> Free Books in German (Project Gutenberg & Internet Archive) is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Returns a paginated catalogue of free German-language public-domain and open-licensed books from Project Gutenberg and Internet Archive, sorted by popularity, with epub/txt/html/scan download links.

## Facts

- Endpoint: GET https://intel.rallylive.ca/library/language/de
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/free-books-in-german-project-gutenberg-internet-archive-d23bbb37
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_BY9dbrW7t93NgFinVYUtO

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability free-books-in-german-project-gutenberg-internet-archive-d23bbb37
```

Example prompt: Can you find me free German-language ebooks about Romantik or by Goethe that I can download as epub?

## When to prefer this

Use this endpoint when you specifically need free, legally downloadable German-language books (public domain or open-licensed) with direct format links (epub, txt, html, scans), especially when searching by author, title, or subject within the German-language catalogue. Prefer this over generic web search when you need structured, curated ebook metadata with verified download links.

## Known failure modes

- No results returned if search query matches no German titles, authors, or subjects
- Pagination beyond available pages returns empty results
- Downstream Project Gutenberg or Internet Archive unavailability may yield stale or missing download links
- Malformed or overly broad queries may return unexpected results

## How this service works

Free books in German: public-domain and free-licensed German-language works from Project Gutenberg and Internet Archive with download links (epub, txt, html, scans), most popular first; add words to search within German titles, authors and subjects. Re-verified daily. $0.01 per page of 20.

## Output

A paginated list (20 items per page) of free German-language books, each including title, author, subjects, popularity ranking, and direct download links in available formats (epub, txt, html, scans). Data is re-verified daily against Project Gutenberg and Internet Archive.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/free-books-in-german-project-gutenberg-internet-archive-d23bbb37/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from intel.rallylive.ca](https://www.zero.xyz/host/intel.rallylive.ca/llms.txt)