Models

CategorySingle

object

dataCategoryReadrequired

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typestringrequired

Immutable value

Example

categories

idstringrequired

Example

attributesCategoryPropertiesrequired

Show child attributes

created_atstring<date-time>read only

Example

2026-10-01T00:00:00+00:00

updated_atstring<date-time>read only

Example

2026-10-01T00:00:00+00:00

namestringrequired

Example

Lunch

colorstring

The color of the category in HEX format. Firefly III does not use this field, but your app might.

Example

FF0000

last_activitystring<date-time> | null

Last activity of the category.

Example

2026-10-01T00:00:00+00:00

notesstring | null

Example

Some example notes

object_has_currency_settingboolean

This object never has its own currency setting, so this value is always false.

Example

false

primary_currency_idstringread only

The currency ID of the administration's primary currency.

Example

primary_currency_namestringread only

The currency name of the administration's primary currency.

Example

Euro

primary_currency_codestringread only

The currency code of the administration's primary currency.

Example

EUR

primary_currency_symbolstringread only

The currency symbol of the administration's primary currency.

Example

primary_currency_decimal_placesinteger<int32>read only

The currency decimal places of the administration's primary currency.

Example

spentArray<ArrayEntryWithCurrencyAndSum>read only

Amount(s) spent in the currencies in the database for this category. ONLY present when start and date are set.

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currency_idstring

Example

currency_codestring

Example

USD

currency_symbolstring

Example

currency_decimal_placesinteger<int32>

Number of decimals supported by the currency

Example

sumstring<amount>

The amount earned, spent or transferred.

Example

123.45

pc_spentArray<ArrayEntryWithCurrencyAndSum>read only

Amount(s) spent in the primary currency in the database for this category. ONLY present when start and date are set.

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currency_idstring

Example

currency_codestring

Example

USD

currency_symbolstring

Example

currency_decimal_placesinteger<int32>

Number of decimals supported by the currency

Example

sumstring<amount>

The amount earned, spent or transferred.

Example

123.45

earnedArray<ArrayEntryWithCurrencyAndSum>read only

Amount(s) earned in the currencies in the database for this category. ONLY present when start and date are set.

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currency_idstring

Example

currency_codestring

Example

USD

currency_symbolstring

Example

currency_decimal_placesinteger<int32>

Number of decimals supported by the currency

Example

sumstring<amount>

The amount earned, spent or transferred.

Example

123.45

pc_earnedArray<ArrayEntryWithCurrencyAndSum>read only

Amount(s) earned in the primary currency in the database for this category. ONLY present when start and date are set.

Show child attributes

currency_idstring

Example

currency_codestring

Example

USD

currency_symbolstring

Example

currency_decimal_placesinteger<int32>

Number of decimals supported by the currency

Example

sumstring<amount>

The amount earned, spent or transferred.

Example

123.45

transferredArray<ArrayEntryWithCurrencyAndSum>read only

Amount(s) transferred in the currencies in the database for this category. ONLY present when start and date are set.

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currency_idstring

Example

currency_codestring

Example

USD

currency_symbolstring

Example

currency_decimal_placesinteger<int32>

Number of decimals supported by the currency

Example

sumstring<amount>

The amount earned, spent or transferred.

Example

123.45

pc_transferredArray<ArrayEntryWithCurrencyAndSum>read only

Amount(s) transferred in primary currency in the database for this category. ONLY present when start and date are set.

Show child attributes

currency_idstring

Example

currency_codestring

Example

USD

currency_symbolstring

Example

currency_decimal_placesinteger<int32>

Number of decimals supported by the currency

Example

sumstring<amount>

The amount earned, spent or transferred.

Example

123.45

Example

{
  "data": {
    "type": "categories",
    "id": "2",
    "attributes": {
      "created_at": "2026-10-01T00:00:00+00:00",
      "updated_at": "2026-10-01T00:00:00+00:00",
      "name": "Lunch",
      "color": "FF0000",
      "last_activity": "2026-10-01T00:00:00+00:00",
      "notes": "Some example notes",
      "object_has_currency_setting": false,
      "primary_currency_id": "5",
      "primary_currency_name": "Euro",
      "primary_currency_code": "EUR",
      "primary_currency_symbol": "$",
      "primary_currency_decimal_places": 2,
      "spent": [
        {
          "currency_id": "5",
          "currency_code": "USD",
          "currency_symbol": "$",
          "currency_decimal_places": 2,
          "sum": "123.45"
        }
      ],
      "pc_spent": [
        {
          "currency_id": "5",
          "currency_code": "USD",
          "currency_symbol": "$",
          "currency_decimal_places": 2,
          "sum": "123.45"
        }
      ],
      "earned": [
        {
          "currency_id": "5",
          "currency_code": "USD",
          "currency_symbol": "$",
          "currency_decimal_places": 2,
          "sum": "123.45"
        }
      ],
      "pc_earned": [
        {
          "currency_id": "5",
          "currency_code": "USD",
          "currency_symbol": "$",
          "currency_decimal_places": 2,
          "sum": "123.45"
        }
      ],
      "transferred": [
        {
          "currency_id": "5",
          "currency_code": "USD",
          "currency_symbol": "$",
          "currency_decimal_places": 2,
          "sum": "123.45"
        }
      ],
      "pc_transferred": [
        {
          "currency_id": "5",
          "currency_code": "USD",
          "currency_symbol": "$",
          "currency_decimal_places": 2,
          "sum": "123.45"
        }
      ]
    }
  }
}