API docs

Product metadata

This section describes various metadata that may be available for products.

Metadata availability and contents may vary depending on the product type. At the moment several types of metadata may be available:

metadata.externalIds — product ids in external sources

External ids metadata may contain these fields:

Name Description Count
externalIds.amazonAsin Amazon Standard Identification Number, string. 1 279 238 (2% of products)

An example of external ids metadata:

{
    // ...
    "product": {
        "metadata": {
            "externalIds": {
                "amazonAsin": "AMAZONASIN"
            }
        }
    }
}

metadata.generic — generic metadata

Generic metadata may contain these fields:

Name Description Count
generic.ingredients Product ingredients or materials. See Product ingredients for detailed information. 5 661 452 (9% of products)
generic.contributors Product contributors (book authors, musicCD performers, etc.), a list of objects. Each contributor object has following attributes:
  • names — "lang" → "contributor name / title" mapping,
  • type — contributor type, string, one of the following:
    • author — book author,
    • narrator — audio book narrator,
    • artist — artist (for music recordings: composer / musician etc.),
    • music_group — music group / band,
    • choir — choir / chorus / large vocal ensemble,
    • orchestra — large instrumental ensemble.
 10 970 328 (18% of products)
generic.weight Product weight information, a list of objects:
[
    {
        "type": "net",    // One of values: ["net", "gross", "unknown"]
        "value": 150.0,   // Weight value, float
        "unit": "grams"   // Weight unit, one of values: ["grams"]
    },
    // ...
]
 3 464 576 (6% of products)
generic.volume Product volume information, an object:
{
    "value": 100,   // Volume value, float
    "unit": "ml"   // Volume unit, one of values: ["ml"]
}
 248 714 (0% of products)
generic.dimensions Product and packaging dimensions information, an object:
{
    // Product dimensions, if available
    "product": {
        // Can contain "width", "height", "depth" and / or "length" attributes
        "width": {
            "value": 9.5, // Dimension value
            "unit": "cm"  // Dimension unit (currently only "cm" are returned)
        },
        // ...
        "depth": {
            "value": 19.5,
            "unit": "cm"
        }
    },
    // Packaging dimensions, if available
    "packaging": {
        // Same as product
    }
}
 7 304 907 (12% of products)
generic.manufacturerCode Manufacturer product code, string. 12 286 693 (20% of products)
generic.color Product color, one of strings: beige, black, blue, bronze, brown, chrome, dark_blue, gold, gray, green, ivory, khaki, light_blue, magenta_fuchsia, multi, orange, pink, purple, red, silver, transparent, white, yellow. 7 864 272 (13% of products)

An example of generic metadata:

{
    // ...
    "product": {
        "metadata": {
            "generic": {
                "manufacturerCode": "PRODUCT-CODE-123",
                "color": "white",
                "contributors": [
                    {
                        "names": {
                            "en": "John Smith"
                        },
                        "type": "author"
                    }
                ]
            }
        }
    }
}

metadata.food — for food items, beverages and baby food

Food metadata may contain these fields:

Name Description Count
food.nutrimentsPer100Grams Food nutriments information, an object: 
{
    "fatGrams": 1.0,             // Fat content, grams per 100 grams.
    "proteinsGrams": 12.0,       // Proteins content, grams per 100 grams.
    "carbohydratesGrams": 34.5,  // Carbohydrates content, grams per 100 grams.
    "energyKCal": 654.0,         // Energy value, kcal per 100 grams.
    "cholesterolMg": 10,         // Cholesterol content, milligrams per 100 grams.
    "sodiumMg": 20,              // Sodium (Na) content, milligrams per 100 grams.
    "potassiumMg": 30,           // Potassium (K) content, milligrams per 100 grams.
    "calciumMg": 40,             // Calcium (Ca) content, milligrams per 100 grams.
}
 1 170 829 (52% of food products)
food.nutriScore Product Nutri-Score, an object: 
{
    "score": 1,   // Nutri-Score, an integer
    "grade": "B"  // Nutri-Score letter grade (from "A" to "E")
}
 786 348 (35% of food products)

An example of food metadata:

{
    // ...
    "product": {
        "metadata": {
            "food": {
                "nutrimentsPer100Grams": {
                    "fatGrams": 1.0,
                    "proteinsGrams": 12.0,
                    "carbohydratesGrams": 34.5,
                    "energyKCal": 654.0
                },
                "nutriScore": {
                    "score": 1,
                    "grade": "B"
                }
            }
        }
    }
}

metadata.printBook — for print books

Print book metadata may contain these fields:

Name Description Count
printBook.numPages Number of pages in print book, integer. 7 188 351 (71% of print books)
printBook.publishedYear Book publication year, integer. 8 146 219 (81% of print books)
printBook.bisacCodes BISAC codes of a print book, list of strings. 1 243 437 (12% of print books)
printBook.bindingType Book binding type, one of strings: hardcover, paperback. 8 300 904 (82% of print books)

An example of print book metadata:

{
    // ...
    "product": {
        "metadata": {
            "printBook": {
                "numPages": 123,
                "publishedYear": 2021,
                "bisacCodes": ["FIC027110"],
                "bindingType": "paperback"
            }
        }
    }
}

metadata.musicCD — for music CDs

Music CD metadata may contain these fields:

Name Description Count
musicCD.releasedYear Year of first music CD release, integer. 1 371 182 (96% of music CDs)
musicCD.numberOfDiscs Number of discs, integer. 360 384 (25% of music CDs)

An example of music CD metadata:

{
    // ...
    "product": {
        "metadata": {
            "musicCD": {
                "releasedYear": 1990,
                "numberOfDiscs": 1
            }
        }
    }
}
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