Mercari listings
Returns second-hand listings from Mercari Japan by keyword, including items on sale and items already sold. Each listing has its price in yen, condition, brand, category, sale status and photos, with optional full descriptions and seller stats. Useful for resale price research, sold-price checks and tracking brands in the Japanese second-hand market.
What you get
- Listing title, ID and link
- Price in JPY
- Sale status (on sale or sold out)
- Item condition
- Brand and category
- Thumbnail and all photo links
- Listed and updated times
- Seller ID
- Full description and seller ratings, score and items sold, when enabled
What it can do
- Search several keywords in one run
- Return items on sale, sold items, or both
- Filter by price range in JPY, category, brand and item condition
- Sort by relevance, newest, price or likes
- Add full descriptions and seller stats for each item
Limits
- Up to 4,000 results per run
- Only publicly visible data
- Covers Mercari Japan only
- If maxResults is left at 0, the run stops at 100 items
Input options
| Field | What it does |
|---|---|
| searchTerms | Keywords to search; one search per term. |
| status | Return on_sale, sold_out or all listings. |
| sort | Order by relevance, newest, price or number of likes. |
| priceMin | Minimum price in JPY; 0 for no minimum. |
| priceMax | Maximum price in JPY; 0 for no maximum. |
| fetchDetails | Add full description and seller stats for each item. |
| maxItemsPerTerm | Maximum items per keyword. |
| maxResults | Maximum items across all keywords. |
Example
Ask your AI for the data in plain words and it picks this source. Developers can also call source procli_mercari_a directly through the REST API or MCP with an input like this:
{
"maxResults": 50,
"searchTerms": [
"nintendo"
]
}How to use it
- Create an account at prolevelmax.com. New users receive $1 in sign-up credit after verifying their email (one per person). No card required.
- Connect your AI. In the Dashboard, open Get started → Coding tools and API → Generate setup instructions and paste the instructions into your AI (Claude, ChatGPT, Cursor, Codex and others). You can also add the MCP server
https://prolevelmax.com/mcpor call the REST API. - Request data. Your AI selects a source, quotes the price and runs it only after you confirm. Results are returned as structured JSON that the AI can format as a table or report.
FAQ
How is this source billed?
Per result: $0.0075/result + $0.001/run, min $0.0235/run. Your AI quotes the price first, and you are never charged more than the quote.
Do I need a Mercari account or API key?
No. You only need a ProLevelMax account. One balance and one connection cover all 157 platforms.
Is the data real-time?
Yes. Every call fetches public Mercari data at the time of the request. Only publicly visible content is collected.
All Mercari sources and prices
New users receive $1 in sign-up credit after verifying their email (one per person). No card required. Pay per use with no subscription. Top up by card (USD) or Alipay (CNY); Enterprise top-ups from $1,000 by bank transfer.
Start for free