apidocument

noun
UK /ˌeɪ.piːˈdɒkjʊmənt/
US /ˌeɪ.piːˈdɑːkjəmənt/

A paper or computer file that tells you how to use a computer program.

The developer read the apidocument to learn how to connect the app to the service.


OTHER MEANINGS

2. A written description of the rules for talking to a software service.

The apidocument lists every endpoint and its parameters.

3. A help file for programmers that explains functions and data formats.

She checked the apidocument before writing the request code.

4. An official record explaining how two computer systems exchange information.

The team updated the apidocument after changing the login method.