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PATCHis a partial update, so nothing in the body is required. The same serializer is used forPOST /order/add, whereshop_id,receiveranditemsare required.PUTis deliberately disabled on this path (http_method_names = ['get', 'patch', 'options']).
🛑 order_number(the sales-channel order code) cannot be changed through this API — it is the key every reconciliation joins on. Sendingorder_numberorexternal_tracking_codehere is ignored, and so iscreated_time.Since 2026-09-02 PATCHis a true partial update: any field you do not send keeps its current value. Before that, aPATCHthat changed onlydescalso wiped the sales-channel order code, pushed the order date forward to the time of the API call, and cleared the order note.
curl --location --request PATCH 'https://api.omisell.com/api/v2/public/order/' \
--header 'Seller-ID;' \
--header 'Country;' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"order_note": "Customer changed the delivery time"
}'{
"data": {
"completed_time": 0.0,
"created_time": 1786691565.0,
"escrow_release_time": 0.0,
"external_information": {
"cart_id": null
},
"fulfilled_time": 0.0,
"invoice_information": {
"code": null,
"company": null,
"fullname": null,
"email": null,
"phone": null,
"address": null,
"zip_code": null,
"commune": null,
"district": null,
"province": null,
"country": null
},
"is_fulfilled": false,
"omisell_created_time": 1786691567.0,
"omisell_order_number": "ODVN2608141B95956A",
"order_note": "Updated via API — documentation example",
"order_number": "ODVN2608141B95956A",
"order_type": "normal",
"parcels": [
{
"package_number": "1",
"pickup_id": 38472,
"shipping_fee": 0,
"catalogue_items": [
{
"catalogue_sku": "DOC-EXAMPLE-1786691565",
"product_name": null,
"quantity": 1,
"weight": 0,
"original_price": 250000.0,
"discounted_price": 199000.0,
"is_gift": false,
"discount_seller": 51000.0,
"discount_platform": 0.0,
"voucher_seller": 0.0,
"voucher_platform": 0.0,
"warehouse_code": ""
}
],
"inventory_items": []
}
],
"payment_information": [
{
"origin_payment_method": "",
"payment_method": "1",
"payment_method_name": "Cash on Delivery",
"transaction_amount": 199000.0,
"transaction_status": 200,
"transaction_status_name": "Paid",
"transaction_code": "PV260814E8CA0ABF",
"transaction_external_code": "",
"transaction_reference": "",
"transaction_time": 1786691565.0,
"transaction_note": ""
}
],
"platform": "tiktok",
"platform_name": "Tiktok Shop",
"receiver": {
"fullname": "Nguyen Van A",
"email": "[email protected]",
"phone": "+84900000000",
"address": "123 Example Street",
"country": "VN",
"zip_code": "",
"province": "Hà Nội",
"province_id": 466589,
"district": "Phường Bồ Đề",
"district_id": 47349,
"subdistrict_name": null,
"subdistrict_id": null
},
"seller_id": 27001999,
"seller_voucher_code": [],
"shipped_time": 0.0,
"shipping_information": {
"origin_shipping_fee": 0,
"buyer_shipping_fee": 0,
"seller_shipping_fee": 0,
"platform_ship_rebate": 0,
"seller_ship_rebate": 0,
"wrong_weight_adjustment": 0
},
"shop_id": 34251,
"shop_name": "SANDBOX7413243897012717317",
"status_id": 700,
"status_name": "Cancelled by seller",
"updated_time": 1788315988.0
},
"error": false,
"error_code": 200,
"attr_error": null,
"messages": "",
"request_id": "6a9789544ea125d5a8d1ccad"
}