The Kelkoo Shopping and Travel APIs uses Kelkoo data for shopping and travel price comparison. Search the database of thousands of merchants and also get user reviews. Search for products by keyword, sort results, compare products and price...
Kelkoo is leading in Top 100K Sites and Top 1M Sites.
Kelkoo has better usage coverage in more websites categories. Including Shopping, Business & Industry, Children, Religion & Spirituality and 3 other categories.
Nster hasn't got a lead over Kelkoo in any websites category.
Kelkoo is leading in most countries, including Portugal, Poland, Norway, Belgium and 12 other countries.
Nster is leading in United States.