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API Docs


Discover the latest updates available.

February 28, 2024

From May 2nd you will have to adapt your development with the new version of the seller-promotions API, you must add the new query param version=v2.

March 14, 2024

Use the new endpoint /$user_ID/shipping_options/free to get correct information about shipping cost.

April 18, 2024

Listing types and exposures: Create listings in Classic type for MCO. Now you can take advantage of the Classic listing option for your listings on MCO.

May 03, 2024

Starting from May 13th, the new field "acos_top_search_target" will replace the current field "acos_top_modifier".

Principal guides

Find out about the guides that will help you in the development of your application.


2 modules

Here yoy find all APIs to publish global and marketplace items with the best quality.


5 modules

Now listings can be made from current publications and compete with others sellers.

Orders & Shipments

5 modules

Find in our guides all the resources available to manage orders and shipments.

Mercado Ads

2 modules

Mercado Ads is the advertising solution integrated into Mercado Libre, to give more product visibility to people who are looking for what you sell within the platform.

Improve your development

Integrate our recommended features.

  • Publications
  • Catalog
  • Sales and Shipments
  • Promotions
  • Communications
  • Analyze the market

Categorize your publications appropriately

Use the category predictor to report vehicle accessory compatibilities and avoid infractions.

Publish products to the Catalog

Identify the must-have products in the Catalog and compete with the best-selling conditions to win sales.

Manage Sales and Shipments

Now you can consult shopping carts and offer and best shipping solution with Mercado Envios.

Centralize your promotions

Some promotions offered by Mercado Livre are traditional campaigns, with participation from Mercado Livre, offers of the day and lightning offers.


Develop better interaction between sellers and customers, such as answers to pre and post-sale questions, and claim resolution.

Analyze the market

Work with market trends, competition analysis and identification of new business opportunities.


Check out our Developer Partner Program

Go to Developer Partner Program