# unaccepted
serve pydantic_v2.BaseModel
service DefaultService: get_codes, get_file, get_item, get_menu, get_note, get_pair, get_ratios, get_serving, get_sizes, repeat, search
service DefaultService without its methods: TypeError
> GET /pairs/ab/2/3/of/3
  get_pair(pair='ab', kind=2, part=3, X_Rank=None)
< 204 - b''
> GET /pairs/AB/x/y/of/y
< 422 application/json [{"type": "string_pattern_mismatch", "loc": ["path", "pair.id"]}, {"type": "int_parsing", "loc": ["path", "class"]}, {"type": "int_parsing", "loc": ["path", "part"]}]
> GET /pairs/ab/2/y/of/y
< 422 application/json [{"type": "int_parsing", "loc": ["path", "part"]}]
