Metadata availability and contents may vary depending on the product type. At the moment several types of metadata may be available:
Generic objects:
Apparel products metadata may contain following fields:
| Name | Description | Count |
|---|---|---|
| apparel.sizes |
The apparel_sizes field is an array containing one or more Measurement objects. Each object specifies a size using one of the following units:
|
320 760 (10% of apparel products) |
Electric products metadata may contain these fields:
| Name | Description | Count |
|---|---|---|
| electric.voltage |
Product voltage (in volts), a Measurement object.
|
28 232 (0% of products) |
External ids metadata may contain these fields:
| Name | Description | Count |
|---|---|---|
| externalIds.amazonAsin | Amazon Standard Identification Number, string. | 1 268 122 (2% of products) |
An example of external ids metadata:
{
// ...
"product": {
"metadata": {
"externalIds": {
"amazonAsin": "AMAZONASIN"
}
}
}
}
Generic metadata may contain these fields:
| Name | Description | Count |
|---|---|---|
| generic.ageGroups |
A list of strings, representing the age groups that the product is targeted for. Possible values: infant (0-1 years), toddler (1-3), child (3-12), teen (12-18), adult (18-60), senior (60+).
|
3 261 (0% of products) |
| generic.colors | Product color, an array of objects. See Product colors for the list of supported values and an example. | 9 433 000 (14% of products) |
| generic.contributors |
Product contributors (book authors, music performers, etc.), a list of objects. Each contributor object has following attributes:
|
10 820 167 (16% of products) |
| generic.dimensions |
Product and packaging dimensions information, an object:
|
9 032 223 (13% of products) |
| generic.genderFit |
Gender fit of a product, string. Can be one of the following values: male, female, unisex.
|
1 610 280 (2% of products) |
| generic.ingredients | Product ingredients or materials. See Product ingredients for detailed information. | 5 960 989 (9% of products) |
| generic.manufacturerCode | Manufacturer product code, string. | 10 192 217 (15% of products) |
| generic.numberOfItems | Number of individual items that are included in the product as sold, a Measurement object. | 760 623 (1% of products) |
| generic.power |
Product power (in watts), a Measurement object.
|
5 635 (0% of products) |
| generic.volume |
Product volume information, a Measurement object.
|
781 960 (1% of products) |
| generic.weight |
Product weight information, a mapping of net (for net weight), gross (for gross weight) or unknown (when we lack information whether it's net or gross weight) to a Measurement object:
|
4 140 457 (6% of products) |
An example of generic metadata:
{
// ...
"product": {
"metadata": {
"generic": {
"manufacturerCode": "PRODUCT-CODE-123",
"colors": ["white"],
"contributors": [
{
"names": {
"en": "John Smith"
},
"type": "author"
}
]
}
}
}
}
Food metadata may contain these fields:
| Name | Description | Count |
|---|---|---|
| food.nutrimentsPer100Grams | Food nutriments information. See Food nutriments for detailed information. | 1 335 042 (56% of food products) |
| food.nutriScore |
Product Nutri-Score, an object:
|
802 819 (34% of food products) |
An example of food metadata:
{
// ...
"product": {
"metadata": {
"food": {
"nutrimentsPer100Grams": {
"fat": {
"equals": {
"value": 1.0,
"unit": "grams"
}
},
"proteins": {
"equals": {
"value": 12.0,
"unit": "grams"
}
},
"energy": {
"equals": {
"value": 654,
"unit": "kcal"
}
},
},
"nutriScore": {
"score": 1,
"grade": "B"
}
}
}
}
}
Print book metadata may contain these fields:
| Name | Description | Count |
|---|---|---|
| printBook.numPages | Number of pages in print book, integer. | 7 301 919 (72% of print books) |
| printBook.bisacCodes | BISAC codes of a print book, list of strings. | 1 240 743 (12% of print books) |
| printBook.bindingType |
Book binding type, one of strings: hardcover, paperback.
|
8 269 209 (81% of print books) |
An example of print book metadata:
{
// ...
"product": {
"metadata": {
"printBook": {
"numPages": 123,
"bisacCodes": ["FIC027110"],
"bindingType": "paperback"
}
}
}
}
Media products metadata, relevant for digital or physical books, newspapers, magazines, music and sound recordings. May contain following fields:
| Name | Description | Count |
|---|---|---|
| media.publicationYear | Media product publication or release year, integer. In case of re-issues that use the same barcode, this is the year of the first publication. For on-demand publications, this is the year of the original publication. | 11 879 002 (80% of media products) |
An example of media metadata:
{
// ...
"product": {
"metadata": {
"media": {
"publicationYear": 1990
}
}
}
}
Measurement represents various measurements (weights, sizes, amounts, dimensions) for metadata properties values.
It is a mapping of one or several measures (currently supported: equals, lessThan, greaterThan) to value objects. Each value object consists of value field that holds a numeric or a string measurement and unit field, containing the unit in which this measurement is represented.
// Precise measurement example
{
"equals": {
"value": 12.5,
"unit": "ml"
}
}
// Measurement range example
{
"greaterThan": {
"value": 10,
"unit": "mg"
},
"lessThan": {
"value": 20,
"unit": "mg"
}
}
// String measurement value example
{
"equals": {
"value": "XS",
"unit": "size_label"
}
}