Search Products via API or Web Crawler

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I intend to develop a software that displays product information. I wonder if the large Commerce used here in Brazil (American, Walmart, submarine, extra) make available some API to search the information of your products.

Another question. Would it be wrong for me to develop a robot (web Crawler, Spider, etc) to seek this information? For example, a software that accesses the Americana website, enters a particular product, takes the information I need and stores it in my database? Let’s say when I go to display the information I got from Americana, I link to their website containing the product. This might even be good for them.

api

  • Alberto welcome to Stackoverflow! Consider changing your question to make it clearer. What do you want to know? It is not wrong to consume an API as long as you are allowed to consume it. It is also worth remembering that some Apis have call limits and some restrictions with the use of the data made available by them.

  • Nothing prevents you from developing a robot (web Rawler, technically speaking), after all it would be the same as a person accessing the site in its public part, even if search engines do to index content. Currently there is a Brazilian company that makes millions of dollars making on demand scanning the main stores for products and their prices so the store that hired the search identifies whether it needs to lower its prices or whether it has room to go uplos, in a much more practical way.

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The large Ecommerce used here in Brazil (American, Walmart, submarine, extra) provide some API to search for product information?

The only API I found to search for products in Brazil was Buscapé, which you can access here.

The Apis of other companies is geared towards the Marketplace and the products that can be listed are only those that the user has registered via API.

It would be wrong to create a robot to retrieve this information?

If you are going to use any API and in the terms of use, or in the documentation it is clear that it is prohibited then it is not allowed to create.

B2W API(American, Submarine, Shoptime) here.

API Cnova (Extra, Casas Bahia, Ponto frio, Cdiscount, Barateriro and Partiu Viagens) here.

  • Thanks for the info. When I speak robot, I mean a program, which would be done by me, without the use of an API, that accesses the site, for example, from American and search for the product and information I need. I saw that the search started this way until I got the shopkeepers to make this information available.

  • @Alberto understood that you were going to make the robot consult the data via API. I will search, if find I will update the answer

  • Another API is the Free Market API: http://developers.mercadolibre.com

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Have you searched on 99apis? I think there is the best place to find any API. In fact, there is the B2W and of Cnova, which are the ones you are looking for, as our colleague @adelmo00 spoke in his reply.

Tip to anyone looking for other Apis.

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