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Write off stock permanently from a product location balance

POST
/v1/organizations/{organizationId}/stock/write-off

API key scope: inventory:write.

Authorizations

Section titled “Authorizations”

Parameters

Section titled “Parameters”

Header Parameters

Section titled “Header Parameters”
Idempotency-Key
required
string

Unique key used to safely retry stock write operations.

X-Request-Id
string

Optional client request id returned in structured errors.

Request Bodyrequired

Section titled “Request Bodyrequired”
Media typeapplication/json
object
ownerId

Inventory owner id. Defaults to the organization default owner.

string
channelId

Inventory channel id. Defaults to the organization default channel.

string
serialIds

Existing serial ids to apply to this operation.

Array<string>
serialNumbers

Existing serial numbers to apply to this operation.

Array<string>
unitCode

Alternative unit code. When provided, unitQuantity is converted to base quantity.

string
Example
CASE
unitQuantity

Quantity in unitCode. The converted base quantity must match quantity.

number
>= 1
productId
required

Product id being written off.

string
locationId
required

Location id where stock is being written off.

string
quantity
required
number
>= 1
sourceState
required

Physical state to consume before decrementing on-hand stock.

string
Allowed values: available damaged qualityControl safetyStock
reason
required
string
Example
Damaged stock discarded
referenceType
string
Example
scrap
referenceId
string
Example
scrap_01JABC
metadata
object
Example
{
  "disposition": "destroyed"
}
lotId

Lot id to consume from.

string
lotStrategy

Automatic lot selection strategy. FEFO consumes earliest expiring stock first.

string
Allowed values: fefo

Responses

Section titled “Responses”

201

Section titled “201”

Stock written off with updated balance and ledger movements.

Media typeapplication/json
object
balance
required
object
id
required
string format: uuid
organizationId
required
string format: uuid
environment
required
string
Allowed values: live test
productId
required
string format: uuid
locationId
required
string format: uuid
ownerId
required
string format: uuid
channelId
required
string format: uuid
onHand
required
number
available
required
number
reserved
required
number
committed
required
number
incoming
required
number
damaged
required
number
qualityControl
required
number
safetyStock
required
number
version
required
number
product
object
id
required
string format: uuid
name
required
string
sku
required
string
location
object
id
required
string format: uuid
name
required
string
code
required
string
type
required
string
Allowed values: warehouse store virtual
owner
object
id
required
string format: uuid
name
required
string
code
required
string
type
required
string
channel
object
id
required
string format: uuid
name
required
string
code
required
string
type
required
string
createdAt
required
string format: date-time
updatedAt
required
string format: date-time
movements
required
Array<object>
object
id
required
string format: uuid
organizationId
required
string format: uuid
environment
required
string
Allowed values: live test
productId
required
string format: uuid
locationId
required
string format: uuid
ownerId
required
string format: uuid
channelId
required
string format: uuid
lotId
object
operation
required
string
Allowed values: receive adjust fulfill write_off return_stock move_state reconcile reserve commit release reservation_cancel expire transfer_out transfer_in transfer_cancel transfer_close inbound_expect inbound_receive inbound_close inbound_cancel outbound_allocate outbound_pick outbound_pack outbound_ship outbound_fulfill outbound_cancel composition_assemble_component composition_assemble_output composition_disassemble_input composition_disassemble_component
inventoryState
required
string
Allowed values: onHand available reserved committed incoming damaged qualityControl safetyStock
quantity
required
number
unitCode
object
unitQuantity
object
baseUnitCode
object
balanceBefore
required
number
balanceAfter
required
number
reason
object
referenceType
object
referenceId
object
source
object
idempotencyKey
object
metadata
object
key
additional properties
any
createdBy
object
actor
required
object
type
required
string
Allowed values: user api_key system
id
object
label
required
string
product
object
id
required
string format: uuid
name
required
string
sku
required
string
location
object
id
required
string format: uuid
name
required
string
code
required
string
type
required
string
Allowed values: warehouse store virtual
owner
object
id
required
string format: uuid
name
required
string
code
required
string
type
required
string
channel
object
id
required
string format: uuid
name
required
string
code
required
string
type
required
string
lot
object
id
required
string format: uuid
lotCode
required
string
batchCode
object
expiresAt
object
status
required
string
Allowed values: active archived
serials
required
Array<object>
object
id
required
string format: uuid
serialNumber
required
string
status
required
string
Allowed values: in_stock picked packed consumed written_off archived
productId
required
string format: uuid
locationId
required
string format: uuid
ownerId
required
string format: uuid
channelId
required
string format: uuid
lotId
object
createdAt
required
string format: date-time
Example
{
  "balance": {
    "id": "55555555-5555-4555-8555-555555555555",
    "organizationId": "11111111-1111-4111-8111-111111111111",
    "environment": "test",
    "productId": "22222222-2222-4222-8222-222222222222",
    "locationId": "33333333-3333-4333-8333-333333333333",
    "onHand": 10,
    "available": 10,
    "reserved": 0,
    "committed": 0,
    "incoming": 0,
    "damaged": 0,
    "qualityControl": 0,
    "safetyStock": 0,
    "version": 1,
    "product": {
      "id": "22222222-2222-4222-8222-222222222222",
      "name": "Black T-Shirt - Medium",
      "sku": "TSHIRT-BLACK-M"
    },
    "location": {
      "id": "33333333-3333-4333-8333-333333333333",
      "name": "Main Warehouse",
      "code": "MAIN-WH",
      "type": "warehouse"
    },
    "createdAt": "2026-06-29T10:00:00.000Z",
    "updatedAt": "2026-06-29T10:00:00.000Z"
  },
  "movements": [
    {
      "id": "88888888-8888-4888-8888-888888888888",
      "organizationId": "11111111-1111-4111-8111-111111111111",
      "environment": "test",
      "productId": "22222222-2222-4222-8222-222222222222",
      "locationId": "33333333-3333-4333-8333-333333333333",
      "lotId": "12121212-1212-4212-8212-121212121212",
      "operation": "receive",
      "inventoryState": "onHand",
      "quantity": 10,
      "unitCode": "CASE",
      "unitQuantity": 1,
      "baseUnitCode": "EA",
      "balanceBefore": 0,
      "balanceAfter": 10,
      "reason": "Initial receipt",
      "referenceType": "purchase_order",
      "referenceId": "po_01JABC",
      "source": "api_key",
      "idempotencyKey": "receive-unique-key",
      "metadata": {
        "batch": "A1"
      },
      "actor": {
        "type": "api_key",
        "id": "api-key-1",
        "label": "Public test integration"
      },
      "product": {
        "id": "22222222-2222-4222-8222-222222222222",
        "name": "Black T-Shirt - Medium",
        "sku": "TSHIRT-BLACK-M"
      },
      "location": {
        "id": "33333333-3333-4333-8333-333333333333",
        "name": "Main Warehouse",
        "code": "MAIN-WH",
        "type": "warehouse"
      },
      "lot": {
        "id": "12121212-1212-4212-8212-121212121212",
        "lotCode": "LOT-2026-001",
        "batchCode": "BATCH-A",
        "expiresAt": "2027-07-01T00:00:00.000Z",
        "status": "active"
      },
      "serials": [
        {
          "id": "14141414-1414-4414-8414-141414141414",
          "serialNumber": "SN-2026-0001",
          "status": "in_stock",
          "productId": "22222222-2222-4222-8222-222222222222",
          "locationId": "33333333-3333-4333-8333-333333333333",
          "lotId": "12121212-1212-4212-8212-121212121212"
        }
      ],
      "createdAt": "2026-06-29T10:00:00.000Z"
    }
  ]
}

403

Section titled “403”

The organization has exhausted its monthly public API request quota.

The organization has exhausted an applicable monthly billing quota.

Media typeapplication/json
Examples
{
  "error": {
    "code": "PLAN_LIMIT_EXCEEDED",
    "message": "Plan limit exceeded for billable_inventory_operations",
    "requestId": "req_123",
    "details": {
      "entitlementKey": "billable_inventory_operations",
      "scope": "environment",
      "environment": "live",
      "configured": true,
      "limit": "2000",
      "used": "2000",
      "requested": "1",
      "currentPlan": {
        "code": "free",
        "version": 1
      },
      "requiredPlan": {
        "code": "starter",
        "version": 1,
        "requiresOverride": false
      }
    }
  }
}