Propose an inventory write-down to NRV

POST/api/v1/inventory/costing/write-downs/apply

Recompute the preview, refuse a changed plan_hash, and queue one create_journal_entry proposed change: Dr Inventory Write-Down / Cr Inventory Reserve for the reserve change (reversed for a release), dated as_of. Nothing posts until a person approves it.

Operation ID: apply_write_down·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: WriteDownApplyRequest

rowsarray · WriteDownRowInputrequiredWriteDownRowInput

5 fields

variant_idstring
skustring
categorystring: raw_material | packaging | finished_good
nrv_unit_centsintegerrequired: Net realizable value per unit (cents)
reasonstring

as_ofstring · date

Entry date; defaults to today

plan_hashstringrequired

plan_hash from the preview

Responses

201Successful Response

Schema: SuccessEnvelope_WriteDownApplyResponse_

successboolean
messagestring
codestring
dataWriteDownApplyResponse

400Bad Request - Invalid input

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.

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.

Code samples

POST/api/v1/inventory/costing/write-downs/apply

bash

curl -X POST 'https://api.ondayzero.com/api/v1/inventory/costing/write-downs/apply' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID' \
  -H 'Content-Type: application/json' \
  -d '{
  "rows": [],
  "plan_hash": "string"
}'