# Suverse Open Library Book Search

> Suverse Open Library Book Search is a paid API for AI agents from proxy.suverse.io, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-13).

Search the Open Library catalog by title, author, or keyword and return matching works with metadata including title, author, first publish year, and edition counts.

## Facts

- Endpoint: POST https://proxy.suverse.io/v1/data/suverse-openlibrary-search
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/suverse-open-library-book-search-8cd4eedb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_SfAqJa50Ow0O_QrHb7ouc

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 suverse-open-library-book-search-8cd4eedb -d '<json body>'
```

Example prompt: Search Open Library for books by George Orwell and tell me the titles, first publish years, and how many editions each has.

## When to prefer this

Choose this endpoint when you need quick, no-auth bibliographic lookups against the Open Library catalog — especially for title searches, author bibliographies, publication year verification, or edition counts. Prefer it over paid book APIs when cost-sensitivity matters and Open Library's coverage (primarily English-language works) is sufficient. Ideal for research assistants, reading list builders, and library-themed agents.

## Known failure modes

- No results returned for obscure or misspelled queries
- Ambiguous author names may return unrelated works
- Open Library upstream unavailability causing proxy errors
- Very common keywords may return noisy or irrelevant results
- Non-English titles may have limited coverage

## How this service works

Search Open Library books by title, author, or keyword, no key. Returns matching works with title, author, first publish year, and edition counts. For AI agents in books, research, and library use cases.

## Output

A list of matching works from the Open Library catalog, each containing the book title, author name(s), first publish year, and total edition count. Results are ranked by relevance to the search query.

## 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",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "properties": {}
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST",
      "PUT",
      "PATCH"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json",
      "form-data",
      "text"
     ],
     "type": "string"
    }
   },
   "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/suverse-open-library-book-search-8cd4eedb/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from proxy.suverse.io](https://www.zero.xyz/host/proxy.suverse.io/llms.txt)