From this reprehensible API, "enriching" a simple candidate key (e.g. email addr...

From this reprehensible API, "enriching" a simple candidate key (e.g. email addr) (slightly edited for brevity):

https://docs.fullcontact.com/#data-add-ons

    { "gender": "Male",
      "name": {
        "given": "Johnathan",
        "family": "Doe",
        "middle": "David",
        "prefix": "Mr",
        "suffix": "Jr",
        "nickname": "John"
      },
      "age": {
        "birthday": {
          "year": 1980,
          "month": 1,
          "day": 10
        },
        "range": "35-44",
        "value": 37
      },
      "locations": [
        { "label": "deduced",
          "formatted": "Denver, Colorado, United States"
        }
      ],
      "education": [
        { "name": "State University",
          "degree": "Masters Degree of Automation",
          "end": { "year": 1998 }
        }
      ],
      "employment": [
        { "name": "ACME, Inc",
          "domain": "http://www.example.com",
          "current": false,
          "title": "Widget Maker",
          "start": { "year": 2010, "month": 6, "day": 1 },
          "end": { "year": 2015, "month": 10, "day": 15 }
        }
      ],
      "interests": [
        { "name": "Quilting",
          "affinity": "HIGH",
          "category": "hobbies"
        }
      ]
    }

edit: Note the arrays, which presumably can return multiple records.