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Create fixed asset

POST/api/v1/fixed-assets

Create a new fixed asset.

Request Body:

  • name: Asset name, 1-255 chars (required)
  • purchase_date: Purchase date in YYYY-MM-DD format (required)
  • original_cost: Original cost in cents, must be >= 0 (required)
  • description: Asset description (optional)
  • asset_number: Asset number, max 50 chars (optional)
  • serial_number: Serial number, max 100 chars (optional)
  • salvage_value: Salvage value in cents, must be >= 0 and < original_cost (optional, defaults to 0)
  • useful_life_months: Useful life in months, 1-600 (optional, defaults to 60)
  • depreciation_method: Depreciation method - straight_line, declining_balance, double_declining, units_of_production (optional, defaults to 'straight_line')
  • location: Asset location, max 255 chars (optional)
  • notes: Additional notes (optional)
  • category_id: Asset category UUID (optional)
  • vendor_id: Vendor UUID (optional)
  • in_service_date: Date asset was placed in service, YYYY-MM-DD format (optional)
  • total_expected_units: Total expected units for units_of_production method, must be >= 1 (optional)

Note: The asset starts in 'draft' status. Use POST /fixed-assets/{id}/place-in-service to begin depreciation.

Returns: Created fixed asset.

Operation ID: create_fixed_asset·View as markdown·OpenAPI slice

Authentication

Bearer token authentication. Pass your DayZero API token in the Authorization header and the target business UUID in x-business-id.

Request body

Schema: FixedAssetCreate

namestringrequired

Asset name

descriptionstring

Asset description

asset_numberstring

User-defined asset tracking number

serial_numberstring

Manufacturer serial number

purchase_datestring · daterequired

Date the asset was purchased

original_costintegerrequired

Purchase cost in cents

salvage_valueinteger

Estimated salvage value in cents

useful_life_monthsinteger

Expected useful life in months

depreciation_methodDepreciationMethodDepreciationMethod

Depreciation calculation method

locationstring

Physical location of the asset

notesstring

Additional notes

category_idstring

Asset category ID

vendor_idstring

Vendor the asset was purchased from

in_service_datestring · date

Date the asset was placed in service (starts depreciation)

total_expected_unitsinteger

Total expected units for units-of-production depreciation

opening_accumulated_depreciationinteger

Depreciation/amortization already recognised before go-live, in cents. Counts toward accumulated depreciation but never posts a journal entry (it is already on the books).

go_live_datestring · date

First month DayZero posts depreciation for this asset. Required with an opening accumulated balance; earlier months are never queued.

depreciation_expense_ledger_idstring

Per-asset expense account override (falls back to the category, then the system Depreciation Expense ledger)

Responses

201Successful Response

Schema: SuccessEnvelope_FixedAssetResponse_

successboolean
messagestring
codestring
dataFixedAssetResponse

401Unauthorized - Missing or expired token, an MCP OAuth token used against the REST API, or no access to this business

Schema: ErrorResponse

errorstringrequired

Error category: validation_error, unauthorized, forbidden, not_found, conflict, rate_limited, server_error, or service_unavailable.

messagestringrequired

Human-readable explanation, safe to show to end users.

codestringrequired

Stable machine-readable code in CATEGORY_NNN form (e.g. NOT_FOUND_006, AUTH_010, GEN_002).

request_idstring

Correlation id for support requests. Echoes the x-request-id request header when one was supplied.

errorsobject

Field-level validation messages keyed by field name. Present on 400/422 validation failures only.

403Forbidden - Insufficient permissions

Schema: ErrorResponse

errorstringrequired

Error category: validation_error, unauthorized, forbidden, not_found, conflict, rate_limited, server_error, or service_unavailable.

messagestringrequired

Human-readable explanation, safe to show to end users.

codestringrequired

Stable machine-readable code in CATEGORY_NNN form (e.g. NOT_FOUND_006, AUTH_010, GEN_002).

request_idstring

Correlation id for support requests. Echoes the x-request-id request header when one was supplied.

errorsobject

Field-level validation messages keyed by field name. Present on 400/422 validation failures only.

422Validation Error

Schema: ErrorResponse

errorstringrequired

Error category: validation_error, unauthorized, forbidden, not_found, conflict, rate_limited, server_error, or service_unavailable.

messagestringrequired

Human-readable explanation, safe to show to end users.

codestringrequired

Stable machine-readable code in CATEGORY_NNN form (e.g. NOT_FOUND_006, AUTH_010, GEN_002).

request_idstring

Correlation id for support requests. Echoes the x-request-id request header when one was supplied.

errorsobject

Field-level validation messages keyed by field name. Present on 400/422 validation failures only.