SWI-Prolog -- http_client:http_convert_data/4

Documentation
- Reference manual
- Packages
  - SWI-Prolog HTTP support
    - Supporting JSON
      - library(http/http_json): HTTP JSON Plugin module
        
        http_client:http_convert_data/4
        
        is_json_content_type/1
        
        json_type/1
        
        post_data_hook/3
        
        http_read_json/2
        
        http_read_json/3
        
        http_read_json_dict/2
        
        http_read_json_dict/3
        
        reply_json/1
        
        reply_json/2
        
        reply_json_dict/1
        
        reply_json_dict/2

Availability::- use_module(library(http/http_json)).

[multifile]http_client:http_convert_data(+In, +Fields, -Data, +Options)

Hook implementation that supports reading JSON documents. It processes the following option:

json_object(+As): Where As is one of term or dict. If the value is dict, json_read_dict/3 is used.