Mock sample for your project: LetMC Api V2, Free (Tier 1) API

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The Analytics API retrieves call-limit data and the quotas that are set for the RESTful APIs and their associated resources. Responses from calls made to getRateLimits and getUerRateLimits include a list of the applicable resources and the "call limit", or quota, that is set for each resource. In addition to quota information, the response also includes the number of remaining calls available before the limit is reached, the time remaining before the quota resets, and the length of the "time window" to which the quota applies. The getRateLimits and getUserRateLimits methods retrieve call-limit information for either an application or user, respectively, and each method must be called with an appropriate OAuth token. That is, getRateLimites requires an access token generated with a client credentials grant and getUserRateLimites requires requires an access token generated with an authorization code grant. For more information, see OAuth tokens. Users can analyze the response data to see whether or not a limit might be reached, and from that determine if any action needs to be taken (such as programmatically throttling their request rate). For more on call limits, see Compatible Application Check.

The REST API of BeezUP system
Overview
The REST APIs provide programmatic access to read and write BeezUP data.
Basically, with this API you will be able to do everything like you were with your browser on https://go.beezup.com !
The main features are:
Register and manage your account
Create and manage and share your stores with your friends/co-workers.
Import your product catalog and schedule the auto importation
Search the channels your want to use
Configure your channels for your catalogs to export your product information:
cost and general settings
category and columns mappings
your will be able to create and manage your custom column
put in place exlusion filters based on simple conditions on your product data
override product values
get product vision for a channel catalog scope
Analyze and optimize your performance of your catalogs on all yours channels with different type of reportings by day, channel, category and by product.
Automatize your optimisation by using rules!
And of course... Manage your orders harvested from all your marketplaces:
Synchronize your orders in an uniformized way
Get the available actions and update the order status
...and more!
Authentication credentials
The public API with the base path /v2/public have been put in place to give you an entry point to our system for the user registration, login and lost password. The public API does not require any credentials.
We give you the some public list of values and public channels for our public commercial web site www.beezup.com.
The user API with the base path /v2/user requires a token which is available on this page:
https://go.beezup.com/Account/MyAccount
Things to keep in mind
API Rate Limits
The BeezUP REST API is limited to 100 calls/minute.
Media type
The default media type for requests and responses is application/json. Where noted, some operations support other content types. If no additional content type is mentioned for a specific operation, then the media type is application/json.
Required content type
The required and default encoding for the request and responses is UTF8.
Required date time format
All our date time are formatted in ISO 8601 format: 2014-06-24T16:25:00Z.
Base URL
The Base URL of the BeezUP API Order Management REST API conforms to the following template.
https://api.beezup.com
All URLs returned by the BeezUP API are relative to this base URL, and all requests to the REST API must use this base URL template.
You can test our API on https://api-docs.beezup.com/swagger-ui\\
You can contact us on gitter, #BeezUP/API

The Analytics API provides data and information about a seller and their eBay business. The resources and methods in this API let sellers review information on their listing performance, metrics on their customer service performance, and details on their eBay seller performance rating. The three resources in the Analytics API provide the following data and information: Customer Service Metric – Returns data on a seller's customer service performance as compared to other seller's in the same peer group. Traffic Report – Returns data that shows how buyers are engaging with a seller's listings. Seller Standards Profile – Returns data pertaining to a seller's performance rating. Sellers can use the data and information returned by the various Analytics API methods to determine where they can make improvements to increase sales and how they might improve their seller status as viewed by eBay buyers. For details on using this API, see Analyzing seller performance.

The Recommendation API returns information that sellers can use to optimize the configuration of their listings on eBay. Currently, the API contains a single method, findListingRecommendations. This method provides information that sellers can use to configure Promoted Listings ad campaigns to maximize the visibility of their items in the eBay marketplace.

Use the Fulfillment API to complete the process of packaging, addressing, handling, and shipping each order on behalf of the seller, in accordance with the payment method and timing specified at checkout.

The Marketing API offers two platforms that sellers can use to promote and advertise their products: Promoted Listings is an eBay ad service that lets sellers set up ad campaigns for the products they want to promote. eBay displays the ads in search results and in other marketing modules as SPONSORED listings. If an item in a Promoted Listings campaign sells, the seller is assessed a Promoted Listings fee, which is a seller-specified percentage applied to the sales price. For complete details, see Promoted Listings. Promotions Manager gives sellers a way to offer discounts on specific items as a way to attract buyers to their inventory. Sellers can set up discounts (such as "20% off" and other types of offers) on specific items or on an entire customer order. To further attract buyers, eBay prominently displays promotion teasers throughout buyer flows. For complete details, see Promotions Manager. Marketing reports, on both the Promoted Listings and Promotions Manager platforms, give sellers information that shows the effectiveness of their marketing strategies. The data gives sellers the ability to review and fine tune their marketing efforts. Important! Sellers must have an active eBay Store subscription, and they must accept the Terms and Conditions before they can make requests to these APIs in the Production environment. There are also site-specific listings requirements and restrictions associated with these marketing tools, as listed in the "requirements and restrictions" sections for Promoted Listings and Promotions Manager. The table below lists all the Marketing API calls grouped by resource.

Note: This is a (Limited Release) API available only to select developers approved by business units. This API allows third-party developers to search for and retrieve details about eBay deals and events, as well as the items associated with those deals and events.

The Account API gives sellers the ability to configure their eBay seller accounts, including the seller's policies (the Fulfillment Policy, Payment Policy, and Return Policy), opt in and out of eBay seller programs, configure sales tax tables, and get account information. For details on the availability of the methods in this API, see Account API requirements and restrictions.

Use the Taxonomy API to discover the most appropriate eBay categories under which sellers can offer inventory items for sale, and the most likely categories under which buyers can browse or search for items to purchase. In addition, the Taxonomy API provides metadata about the required and recommended category aspects to include in listings, and also has two operations to retrieve parts compatibility information.