Fulfillment API returns 201 Created but shipment not reflected in Seller Hub | Fulfillment

ha-8094 · 2026-03-11T15:10:02.665000Z

Hello,We are encountering an issue when creating a shipment using the eBay Fulfillment API.The request to create a shipping fulfillment returns a 201 Created response, indicating that the request was successfully processed. However, the shipment information does not appear in the eBay Seller Hub order details, and the order still appears as not shipped on the marketplace platform.Below are the details of the request:EndpointPOST /sell/fulfillment/v1/order/10-14343-15596/shipping_fulfillmentRequest Payload{ "lineItems": [ { "lineItemId": "10080214918710", "quantity": 1 } ], "shippedDate": "2026-03-10T15:41:36Z", "shippingCarrierCode": "USPS", "trackingNumber": "9400150899561330145337" }ResponseHTTP Status: 201 CreatedLocation:https://api.ebay.com/sell/fulfillment/v1/order/10-14343-15596/shipping_fulfillment/9400150899561330145337Response Headerrlogid: t6pithqauq%60fiiw%3F%3Ctowiugvpd%60jhs.2e%3E%60%3C336%3D1*w%60ut13%2B%3F%3Bk3o-19cd9ea391f-0x2344here is the complete request data*** Endpoint *** POST https://api.ebay.com/sell/fulfillment/v1/order/10-14343-15596/shipping_fulfillment HTTP/1.1 *** Headers *** Authorization: Bearer XXX Content-Type: application/json Accept: application/json *** Payload *** { "lineItems": [ { "lineItemId": "10080214918710", "quantity": 1 } ], "shippedDate": "2026-03-10T15:41:36Z", "shippingCarrierCode": "USPS", "trackingNumber": "9400150899561330145337" } *** Response *** HTTP/11 201 Created rlogid: t6pithqauq%60fiiw%3F%3Ctowiugvpd%60jhs.2e%3E%60%3C336%3D1*w%60ut13%2B%3F%3Bk3o-19cd9ea391f-0x2344 Location: https://api.ebay.com/sell/fulfillment/v1/order/10-14343-15596/shipping_fulfillment/9400150899561330145337 Accept-CH: sec-ch-ua-model,sec-ch-ua-platform-version,sec-ch-ua-full-version Permissions-Policy: Content-Length: 0 x-envoy-upstream-service-time: 1053 Server: ebay-proxy-server x-ebay-pop-id: UFES2-RNOAZ03-api Expires: Tue, 10 Mar 2026 22:42:12 GMT Cache-Control: max-age=0, no-cache, no-store Pragma: no-cache Date: Tue, 10 Mar 2026 22:42:12 GMT Connection: keep-alive x-CDN: Akamai Strict-Transport-Security: max-age=31536000",Environment: ProductionOrder ID: 10-14343-15596Despite the successful API response, the fulfillment does not appear in Seller Hub and the order status is not updated.Could you please help us verify whether the fulfillment was properly registered on your side or if there is any issue with the request?Thank you for your assistance.Best regards.

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Fulfillment API returns 201 Created but shipment not reflected in Seller Hub | Fulfillment | eBay Community