Developer Forums

bulkCreateOrReplaceInventoryItem 408 timeout error

I am currently using eBay's Industry API, specifically the bulkCreateOrReplaceInventoryItem. I executed it using AWS Lambda, but I encountered a 408 timeout error. It worked fine with 10 items, but I get the error with 25 items. In the development en...

Unable to Sign up for New Developer Account

Hello eBay Developer API, i'm not getting the confirmation email when signing up and verifying i'm human. I then submit to re-send the confirmation email but red text notice appears says user is not found.

n8n HTTP Request

Hello, yesterday I tried for hours to connect my Ebay API with the HTTP Request Node in n8n but it didn´t work because of the RuName in Ebay and the Redirect URL that n8n wants.Has anybode here sucessfully integrated Ebay in their n8n flow and could ...

Connecting to Spreadshirt

Hi! I am new to using APIs and know little to nothing about them. However, I hope someone can help me figure things out! Years ago, I listed several travel mugs for sale on eBay that were fulfilled through one of my print providers. When an order was...

Help Needed: eBay Inventory API "Invalid value for header Accept-Language"

Hello, Ramon here.Help Needed: eBay Inventory API "Invalid value for header Accept-Language" ErrorProblem Summary (please keep ion mind that i am a total noob and i was able to build what i did with what you shared and using claude each step so maybe...

Can't Save Endpoint and Verification Token — Marketplace Account Deletion Setup Blocked

Hi all,Can't Save Endpoint and Verification Token — Marketplace Account Deletion Setup BlockedMessage:We are setting up our production keyset and attempting to configure the Marketplace Account Deletion Notification requirement.We're stuck on the Ale...

Usage Scenarios - Clarification

Hi, My company makes logistics and other labeling or database software. In looking at the ebay API at first I was surprised they had a developer API Keys rather than user API Keys. It has raised some questions that I couldn't easily find answers to a...

API Rate Limits

Hello eBay Developer Support,I’m currently developing a small application to compare prices between different platforms like eBay, Kaufland, and Amazon.My application uses the FindingService with the operation `findItemsByKeywords`, but I keep hittin...

Requesting Exemption from Marketplace Account Deletion Notifications

Hello,I have created a Production keyset for my application "SZ Profit Checker", which is a personal Amazon to eBay product research tool. It does not collect, access, or manage any user account data.I would like to request an exemption from the Mark...

I'm new! I'm dumb! Which APIs should I use to do the following?

Hi all, I hope you're well! I'm developing a Python-based eBay management system and need guidance on the best API or combination of APIs to retrieve comprehensive order information and automate certain post-sale tasks. Current Implementation: I'm al...

issue Subscribing to Order Checkout Notifications via RESTful Notification API

Hello ,We are trying to subscribe to webhook notifications for when an order is paid and checkout is complete, using the RESTful Notification API (/commerce/notification/v1/).We have been attempting to use the topicId ORDER_CHECKOUT_COMPLETE. However...

Getting error of usage limit exceeded

We started getting error on most eBay APIs that usage limit is exceeded. There is not way we could have used all the limit as we are just a small company and just started with eBay API.We also checked quota and they are all fullCan someone please let...

Buyer defaulting his end of transaction won't pick up item usps Attempted to deliver 5 days ago

I've received confirmation that the package was attempted to be delivered on the 27th. I've notified the buyer said he was out of town but would pick it up the following day. Following day is come and gone. It's now been 5 days since the package was ...

Resolved! Cannot validate my marketplace account deletion endpoint

I'm am unable to validate my marketplace account deletion endpoint. My endpoint is using the following code.$hash = hash_init('sha256'); hash_update($hash, $challengeCode); hash_update($hash, $verificationToken); hash_update($hash, $endpoint); $respo...

MEDIA API uploadvideo API Returns 200 but getvideo API Fails to Retrieve Associated Video

Why hasn't the video I uploaded been associated? Here is the interface's response. uploadvideo response:Response Headers:date=[Fri, 16 May 2025 10:39:24 GMT]traceid=[aa1d3afc039934e76f263dc10f271a6e]null=[HTTP/1.1 200 OK]server=[ebay-proxy-server]con...