Create manual inventory adjustment

POST/api/v1/inventory/adjustments

Create a manual inventory adjustment for a variant at a specific location. If no location is specified, the adjustment is applied to the default location.

Operation ID: create_inventory_adjustment·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: InventoryAdjustmentRequest

variant_idstringrequired: Product variant UUID to adjust.
quantity_changeintegerrequired: Quantity change: positive to add, negative to subtract. Cannot be zero.
reasonstringrequired: Adjustment reason. Prefer one of the canonical values: shrinkage | damage | expired | count_variance | theft | transfer | return | receipt_correction | found | other. Free-text values are accepted for backward compatibility.
reason_codestring: Optional canonical reason code (overrides reason for reporting). See InventoryAdjustmentReason for valid values.
location_idstring: Location UUID where adjustment applies. Uses default location if not specified.

Responses

201Successful Response

Schema: SuccessEnvelope_InventoryAdjustmentResponse_

successboolean
messagestring
codestring
dataInventoryAdjustmentResponse

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/adjustments

bash

curl -X POST 'https://api.ondayzero.com/api/v1/inventory/adjustments' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID' \
  -H 'Content-Type: application/json' \
  -d '{
  "location_id": "019ab37c-10c1-7000-8000-000000000001",
  "quantity_change": -5,
  "reason": "Damaged in warehouse - water damage",
  "variant_id": "019ab37c-0a71-7000-8000-000000000001"
}'