# Free Books on South African War 1899-1902

> Free Books on South African War 1899-1902 is a paid API for AI agents from library.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).

Returns a paginated catalogue of free public-domain books tagged with the Library of Congress subject 'South African War, 1899-1902', ranked by relevance and popularity, with direct download links.

## Facts

- Endpoint: GET https://library.intel.rallylive.ca/library/subject/south-african-war-1899-1902?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/free-books-on-south-african-war-1899-1902-55a49bf1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vI47xeQ6E3marS7MsQHYf

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-on-south-african-war-1899-1902-55a49bf1
```

Example prompt: Can you find me free public-domain books about the South African War of 1899-1902? I'm looking for historical accounts and primary sources I can download.

## When to prefer this

Choose this endpoint when you need a curated, ranked list of free public-domain books specifically about the South African War of 1899-1902, sourced from both Project Gutenberg and Internet Archive, with direct download links. Prefer it over a general web search when you want library-quality subject tagging, daily-verified availability, and structured output rather than raw search results.

## Known failure modes

- No results if query keywords are too narrow or misspelled
- Pagination errors if page index exceeds available results
- Stale links if a source archive removes or moves a title between daily re-verification cycles
- HTTP 402 Payment Required if the x402 micropayment of $0.01 USDC is not included

## How this service works

Free public-domain books on "South African War, 1899-1902": the catalogue's works tagged with that Library of Congress subject (104 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct download links. Add words to narrow. Re-verified daily. $0.01 per page of 20.

## Output

A ranked list of up to 20 public-domain books per page on the South African War (1899-1902), drawn from Project Gutenberg and Internet Archive, including titles, authors, relevance/popularity rankings, and direct download links. Results are re-verified daily.

## 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-on-south-african-war-1899-1902-55a49bf1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from library.intel.rallylive.ca](https://www.zero.xyz/host/library.intel.rallylive.ca/llms.txt)