Monitor competitor stores
Check a rival brand's catalogue each week and see which products went on sale, sold out or changed price.
Shopify data API · Products
Read the catalogue of any Shopify-powered store from its URL: every product with its price range, sale flag, stock, variants and options. Up to five stores per call, priced per product returned.
Updated 21 October 2026
Check a rival brand's catalogue each week and see which products went on sale, sold out or changed price.
Every product carries its created and published dates, so new drops show up the day they go live.
Pull titles, prices, tags and images from a list of stores into one table for comparison or resale research.
curl -X POST https://apiforagents.dev/v1/shopify \
-H "Authorization: Bearer $AFA_KEY" \
-H "Content-Type: application/json" \
-d '{"op":"products","subjects":["https://www.allbirds.com"],"limit":25,"estimateOnly":true}'curl -X POST https://apiforagents.dev/v1/shopify \
-H "Authorization: Bearer $AFA_KEY" \
-H "Content-Type: application/json" \
-d '{"op":"products","subjects":["https://www.allbirds.com"],"limit":25}'Everything you can send in one products call. Required inputs first.
| Input | Type | What it does |
|---|---|---|
| subjects * | text list | Store URLs. Any Shopify-powered storefront. 1-5 items |
| limit | integer | 1-100 |
The fields of every row, always present. Nothing is guessed: a value that could not be measured is null, and the answer's coverage says why.
| Field | Type |
|---|---|
| storeUrl | string |
| productId | string |
| productUrl | string |
| title | string |
| brand | string |
| category | string |
| description | string |
| tags | list of string |
| currency | string |
| priceFrom | number |
| priceTo | number |
| onSale | boolean |
| inStock | boolean |
| variantCount | integer |
| variants | any |
| options | any |
| imageUrl | string |
| media | any |
| createdDate | string |
| publishedDate | string |
| details | object |
details is always the last field: everything else the source sent for that row, under our own field names. Its keys depend on the source that answered, so read them defensively; it is {} when there is nothing more.
Made-up names and values in the real field names, so you can see the shape before you spend anything.
| title | brand | category | currency | priceFrom | priceTo |
|---|---|---|---|---|---|
| Linen Overshirt | Northfold Studio | Shirts | USD | 89 | 89 |
| Merino Crew Socks (3 pack) | Northfold Studio | Socks | USD | 28 | 32 |
| Canvas Weekender Bag | Northfold Studio | Bags | USD | 145 | 145 |
Pay as you go, in US dollars, per record. No subscription, nothing expires, $5 first top-up, and every new agent starts with $0.10 free.
| Request | Records | At the list price |
|---|---|---|
| One product | 1 | $0.0009 |
| 5 products | 5 | $0.0045 |
| A full page | 100 | $0.09 |
These are per-record list prices. Some calls also carry a minimum, such as a page of search results, so a small request can cost more than the table shows. The quote ("estimateOnly": true) is free, gives the most your exact request can cost, and the charge then settles to what came back. Records that do not come back are refunded.
One row per product: title, brand, category, currency, lowest and highest price, sale flag, in-stock flag, variant count, tags, store URL, product id and URL, image URL, and the created and published dates.
Up to five store URLs. Any storefront that runs on Shopify works, no login or app install needed. Add a limit of up to a hundred products.
$0.0009 per product at the list price. A small call can carry a minimum, so quote first with "estimateOnly": true: the quote is free and is the most the call can cost. You pay for what comes back, and a product your account already fetched today is served again free.
The playground runs any endpoint by hand: pick a platform and what you want from it, fill a short form named in plain words (or press Use sample input), see the free quote on the Run button, run it, then read the answer as a table or JSON and download it as CSV or JSON. The same call is written out as cURL, Python and Node while you type.
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