A version-by-version record of endpoints, fields, and schemas added or changed in the Zinc API. For product updates, new features, and general improvements, see the product changelog.Documentation Index
Fetch the complete documentation index at: https://www.zinc.com/docs/llms.txt
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2026-03-30
This is the current API version.
POST /returns— Create Return RequestGET /returns— List Return RequestsGET /returns/{return_request_id}— Get Return Request
ReturnRequestCreate,ReturnRequestResponse,ReturnRequestListResponseReturnRequestReasonenum —return.request_label,nondelivery.not_delivered,nondelivery.damaged,nondelivery.empty_box,tracking.request_update,cancel.forced_cancellation,otherReturnRequestStatusenum —open,in_progress,approved,denied,completed
2026-03-25
New endpointsGET /products/search— Search ProductsGET /products/{product_id}— Get ProductGET /products/{product_id}/offers— Get Product Offers
ProductSearchResponse,ProductSearchResult
POST /agent/orders— Added402response code for MPP payment challenges
2026-03-23
New endpointsPOST /agent/orders— Create MPP Order
LineItem
PriceComponents— Addedline_itemsfield (array ofLineItem)JobResultPayload— Addedestimated_deliveryfield
2026-02-19
ChangesRetailerCredentialsCreate— Addedretailer_configfieldRetailerCredentialsUpdate— Addedretailer_configfieldRetailerCredentialsResponse— Addedretailer_configandforwarding_emailfields
2026-02-12
New endpointsGET /managed-accounts— List Managed AccountsPOST /managed-accounts— Create Managed AccountPUT /managed-accounts/{short_id}— Update Managed AccountDELETE /managed-accounts/{short_id}— Delete Managed AccountGET /orders/{order_id}/events— Get Order Events
OrderEventsResponse,ProgressEventResponseRetailerCredentialsCreate,RetailerCredentialsListResponse,RetailerCredentialsResponse,RetailerCredentialsUpdate
2026-02-05
ChangesAddress—statefield made optional and nullable to support international addresses
2026-01-28
ChangesOrderCreate— Addedpo_numberfield for purchase order trackingOrderResponse— Addedpo_numberfield
2026-01-21
ChangesOrderCreate— Addedmetadatafield for custom key-value dataOrderResponse— Addedmetadatafield
2026-01-19
New endpointsGET /orders/test-products— List Test Products
TrackingNumberResponse
OrderResponse— Addedattempts(integer) andtracking_numbers(array) fields
2026-01-09
ChangesGET /orders— Addedorder_idquery parameter for filteringOrderCreate— Addedretailer_credentials_idfieldOrderResponse— Addedretailer_credentials_idfield
2025-12-19
New endpointsPOST /orders/{order_id}/cancel— Cancel Order
ProductVariant
OrderItemResponse— AddedvariantfieldOrderProduct— AddedvariantfieldOrderStatusenum — AddedcancelledvalueJobResultPayload— Several fields made optional/nullable