Tutorials, industry analysis, and best practices for ecommerce data extraction, API integration, and competitive intelligence.
Get Amazon Canada product data with an API: marketplace ID A2EUQ1WTGCTBG2 queries amazon.ca and returns CAD prices through currencySymbol "C$". Unlike amazon.ie and amazon.se covered earlier in this series, amazon.ca has full endpoint coverage, including price history. A tested Python script compares amazon.ca with amazon.com side by side.
Amazon seller feedback by marketplace: /amazon-seller-review takes one sellerId and one marketplaceId per call, so checking a seller across DE, FR, IT and ES costs 4 credits, and a 404 on one marketplace is billed like a real answer, not a failure. A tested Python script builds a per-marketplace feedback table and shows what a billed 404 for no storefront looks like next to three normal answers.
Get Amazon Australia product data with an API: marketplace ID A39IBJ37TRP1C6 queries amazon.com.au and returns AUD prices. Which endpoints answer, why price history is a free 400, the default delivery postcode, and a tested Python script that compares the same ASINs on amazon.com.au and amazon.com.
Use the Amazon Deals API to track Black Friday week deals over time, not just one poll: snapshot /amazon-deals on a schedule, keep a first-seen/last-seen baseline per ASIN, see what is new and what dropped out, and avoid the billed 400 for requesting more than 50 deals. A tested Python script with a persistent baseline file.
Get Amazon Netherlands product data with an API: marketplace ID A1805IZSGTT6HS queries amazon.nl and returns EUR prices. Why price history does not work on amazon.nl but listedSinceDate does (unlike amazon.se), which endpoints answer, and a tested Python script that compares the same ASINs on amazon.nl and amazon.de.
![Terminal running a Python script that compares an Amazon product's mainImage and gallery images[0] and flags a different picture or a smaller stored file](https://sellermagnet-api.com/static/img/blog/amazon-product-main-image-vs-gallery-api-hero.jpg?v=7b4ed37530)
productInfo.mainImage and productInfo.images[0] look like they should be the same picture. They come from two different parts of the Amazon page, can show a different image entirely, and mainImage can be a smaller stored file even when it is the same picture. A tested Python check flags both cases before a catalogue sync ships the wrong hero image.
Every Amazon product image URL carries its size: ._SL500_ scales the longest side to 500 px, no segment returns the full stored file and _AC_ trims the white margin. We tested the rules on Amazon's image CDN and wrote a Python script that resizes a whole gallery from one lookup per ASIN, without promising sizes the files do not have.
What timeout to set for the SellerMagnet API: 120 seconds, matching the API's own response window: the API answers within it, also when Amazon is slow. Why a credit is spent before your client even starts waiting, why a too-short timeout does not save credits, and a tested Python script that measures the difference.
Get Amazon Sweden product data with an API: marketplace ID A2NODRKZP88ZB9 queries amazon.se and returns SEK prices. Why price history and listedSinceDate do not work on amazon.se, which endpoints answer, and a tested Python script that compares the same ASINs on amazon.se and amazon.de.
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