# Momox Books — Wrapped API

> **You are on:** `https://api.paywithlocus.com/api` | [llms.txt](https://paywithlocus.com/llms.txt) | [docs](https://docs.paywithlocus.com)
>
> Locus runs on multiple environments -- make sure every URL you call matches your expected environment.
> | Environment | Landing | API | Docs |
> |---|---|---|---|
> | Production | paywithlocus.com | api.paywithlocus.com | docs.paywithlocus.com |
> | Beta | beta.paywithlocus.com | api.beta.paywithlocus.com | docs.paywithlocus.com |
> | Stage | stage.paywithlocus.com | api.stage.paywithlocus.com | docs.paywithlocus.com |
>
> If the API URL above doesn't match your expected environment, re-fetch this file from the correct domain.

> Find second-hand book prices and availability on Momox Books by searching with ISBN, getting instant details on condition, stock status, and pricing. Perfect for comparing book deals and tracking inventory across their used book marketplace.

**Category:** Marketplaces | **Website:** [www.momoxbooks.com/](https://www.momoxbooks.com/) | **Docs:** [parse.bot/marketplace/98f1517f-1072-4232-8e9f-4971851f1ae5/momoxbooks-com-api](https://parse.bot/marketplace/98f1517f-1072-4232-8e9f-4971851f1ae5/momoxbooks-com-api)

Pay-per-use API proxy. Each call is automatically billed to your wallet in USDC.

## Access

**Base URL:** `https://api.paywithlocus.com/api/wrapped/parse-momoxbooks-com-api-98f1517f/`
**Auth:** `Authorization: Bearer <LOCUS_API_KEY>`

## Endpoints

### get_offers_by_isbn

Search momoxbooks.com for available offers on a book by its ISBN. Returns all available condition variants (e.g. Used - like new, Used - very good, Used - good) with their prices, stock status, and reference prices. If no offers exist for the given ISBN, returns an empty offers array.

**Estimated cost:** Metered

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `isbn` | string | Yes | ISBN-13 or ISBN-10 of the book to search for (e.g. 9780141439518). |

```bash
curl -X POST https://api.paywithlocus.com/api/wrapped/parse-momoxbooks-com-api-98f1517f/get_offers_by_isbn \
  -H "Authorization: Bearer YOUR_LOCUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"isbn":"<string>"}'
```