eBay APIs: Talk to your fellow developers

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Exciting Updates to eBay’s Developer Loyalty Program

Exciting changes are coming! eBay’s Developer Loyalty Program is getting a major upgrade with expanded benefits, deeper collaboration, and opportunities for accelerated growth. What’s Changing? Concierge-level service: for gold, silver, and bronze pa...

Error entering StoreCategory value in Seller Hub Reports New Listing Template. My formula fails.

I'm using the header, StoreCategory When typing the value manually, or copy and paste it from eBay seller hub>store>store categories>category number, it works. But when I use the formula, =IF(E5="", "", XLOOKUP(E5,DataValidationLists!$A$2,DataValidat...

Trouble creating an Inventory Location to create an Offer in Inventory API

Prior to creating an inventory item, I am attempting to create an inventory location (which is an odd requirement considering how many of us sellers don't have a 'warehouse', 'store' or 'fulfillment center', but I digress), which from what I can tell...

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...

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...

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...

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...

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...

Error while trying to create fulfillmentPolicy

I'm trying to create a new fulfillment policy to return my policyID which I can later assign in CreateOffer method. Everyting was made with help of this article: https://developer.ebay.com/api-docs/sell/account/resources/fulfillment_policy/methods/cr...

Request to enable Marketplace Insights API scope for my production app

Hi eBay Developer Support,I would like to request access to the Marketplace Insights API for my production app.App ID: Yasuhiro-Research-PRD-ef72598d8-35e62f21Redirect URI: https://ayhiro.github.io/ebay-auth-test/When I try to authenticate with the f...

'customid' Missing From Many Transactions - Anyone Else?

I'm hoping to find out if anyone else is having an issue with the 'customid' field, or if it's working fine for others here? We use the 'customid' field in our API calls to help keep track user activity. Lately though we've noticed a significant numb...

Account Deletion Notifications API Support

I am trying to verify our HTTPS endpoint for Marketplace Account Deletion notifications, but the eBay Developer Portal does not verify the endpoint — and we see no incoming request. Our webhook is public, uses a valid Let's Encrypt SSL cert, and is p...