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Just getting started with the Negotiation API? See the following documents for details on using this API:


See the API Site Status for announcements regarding recently resolved or current system wide issues. Visit the Developer Support page for support options and information on filing bugs.

The API release history

The following table lists the releases for the Negotiation API:

Version Release Date Summary of Release
v1.1.0 2019-10-11 Added support for the Canadian marketplace (EBAY_CA).
v1.0.0 2019-09-25 First release of Version 1.0.

Negotiation API – v1.1.0

This release of the Negotiation API expands the list of supported marketplaces to include Canada.

API feature updates

The list of marketplaces supported by the Negotiation API is expanded to include the Canadian marketplace, EBAY_CA.

Both the English and French versions of the marketplace are supported via the Content-Language HTTP request header.

Set Content-Language to the locale you want to target. For the English site, set the header to CA_en; for the French site set the header to CA_fr. The English site is the default site.

Negotiation API – v1.0.0

This is the first release of the Negotiation API, Version 1.0.0.

For a list of resources and methods, see the Negotiation API Reference.