GET /v1/classification/

# About this Endpoint For searching in zbMATH you may employ the Structured Search, which allows for convenient search of all relevant fields. The syntax search on the other hand allows for free logical combinations of all available search fields and is much more flexible. In the following you will find a short explanation of available search fields. Use the Classification Search to find information on msc codes of research fields of interest. msc2020 codes available only. **Level 0:** first two digits of msc code **Level 1:** first two digits plus letter of msc code **Level 2:** full msc code - **/_search**: make use of the zbmath search syntax for complex search. Examples on how to make use of the syntax can be found in the endpoint itself. - **/_structured_search**: a number of fields for a structured search - **/{msc_code}**: if an identifier for the msc2020 code in question is available, you man enter it here, to return the meta data information of just this one msc2020 code.