Data Query Web Service

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Revision as of 00:41, 17 September 2020 by Mnelson (talk | contribs) (HTTP Headers)
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Overview

The Data Query web service offers both a RESTful GET API which conforms the SDMX Specification, and a RESTful POST API which supports advanced features such as joining mulitple datasets and selecting lists of series. Both the GET and POST web service support the SDMX standard parameters such as startPeriod and endPeriod, in addition to this, both APIs support advanced parameters to support features such as paging and calculations.

Both REST and POST APIs offer the same as valid reponse formats, this can be controlled via the format data query parameter, or by using the HTTP Accept Header.

REST GET

Entry Point /ws/public/sdmxapi/rest
Access Public
Http Method GET
Compression gzip supported
Response Format Determined by Accept Header - default SDMX 2.1 Structure Specific Data
Response Statuses

200 - Ok

400 - Bad URL Syntax

500 - Server Error


HTTP Headers

The Accept Header is used to define the output format, to transform the data to. The supported accept header values are

In addition, the following optional header parameters can be used to provide further details on the incoming dataset. If these details are not provided, the Fusion Registry will interrogate the dataset header to get the information. If the dataset is a non-SDMX format, or does not contain the required information in the header, then an error response will be returned.

HTTP Header Purpose Allowed Values
Accept This can be used to define the response format of the data See Accept Headers
Accept-Language

This optional header can be used to set the locale to return any multilingual text in (names and descriptions). If the text does not exist in the specified locale, then the default rules will be applied to find the next best appropriate locale.

The corresponding locale parameter can be used to override this HTTP Header

Any valid locale, example: en


Standard HTTP Query Parameters

The Extended query paramters are supported by both GET and POST queries, and are part of the official SDMX API.

Request Parameter Purpose
param name param value

Extended HTTP Query Parameters

The Extended query paramters are supported by both GET and POST queries, and are not part of the official SDMX API.

Request Parameter Purpose
param name param value