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[Announcement] New Seller API available

  • @fred
    Administrateur
    @fred
    free

    178 messages

    Belgique

    Hello everyone,

    The new Delcampe Seller API is now available, built on today's standards: an OpenAPI 3.1 contract, JSON over HTTPS, HTTP status codes used as intended, a key sent in a header, signed webhooks.

    Some highlights in the new features:
    - A complete reference with code samples and a Postman collection
    - Errors with real HTTP status codes and stable error codes
    - API keys you can create and revoke yourself
    - Safe retries on item creation
    - Better filters on your sales, such as sold_after to fetch only what sold since your last sync

    Everything, including the migration guide with its call-by-call mapping tables, is at developers.delcampe.net ( Lien (https) ).
    It comes with your API Pass, nothing changes in your subscription.

    The /rest API is deprecated as of today and stays fully operational until it is switched off on 5 October 2027. Every /rest response now carries Deprecation and Sunset headers announcing that date. Your legacy keys keep working on /rest; new integrations should use /v1 only.

    Questions or feedback? Feel free to reply in this thread.

    The Delcampe team
  • Servitel
    Servitel
    free

    533 messages

    Suisse

    Hello everyone,

    The new Delcampe Seller API is now available, built on today's standards: an OpenAPI 3.1 contract, JSON over HTTPS, HTTP status codes used as intended, a key sent in a header, signed webhooks.

    Some highlights in the new features:
    - A complete reference with code samples and a Postman collection
    - Errors with real HTTP status codes and stable error codes
    - API keys you can create and revoke yourself
    - Safe retries on item creation
    - Better filters on your sales, such as sold_after to fetch only what sold since your last sync

    Everything, including the migration guide with its call-by-call mapping tables, is at developers.delcampe.net ( Lien (https) ).
    It comes with your API Pass, nothing changes in your subscription.

    The /rest API is deprecated as of today and stays fully operational until it is switched off on 5 October 2027. Every /rest response now carries Deprecation and Sunset headers announcing that date. Your legacy keys keep working on /rest; new integrations should use /v1 only.

    Questions or feedback? Feel free to reply in this thread.

    The Delcampe team
    • Posté le 5 oct. 2026 à 04:30
    • #2070245
    Hi Fred
    unfortunately the link is wrong :)
  • @fred
    Administrateur
    @fred
    free

    178 messages

    Belgique

    Hi Fred
    unfortunately the link is wrong :)
    • Posté le 5 oct. 2026 à 04:53
    • #2070260
    Hi Servitel, thank you for the feedback. The first link was the new endpoint /v1 but it is not accessible with a browser. I removed it from the post.

    The relevant link is the second one: developers.delcampe.net ( Lien (https) )

    Fred
  • Servitel
    Servitel
    free

    533 messages

    Suisse

    Any idea on how the api-key is not accepted ?
    I try the category list
    I pass into the header X-Api-Key and the new test key created
    I use the GET method
    The url called is: Lien (https)
    Answer by your system: Full authentication is required to access this resource.

    Where I'm wrong ?

    Thanks
    Roberto
  • Servitel
    Servitel
    free

    533 messages

    Suisse

    Fixed the issue.
    But I have found a great mistake: you say to use "en" as locale for english. but the right code is "uk".
    With "en" the call return an empty result.
  • @fred
    Administrateur
    @fred
    free

    178 messages

    Belgique

    Fixed the issue.
    But I have found a great mistake: you say to use "en" as locale for english. but the right code is "uk".
    With "en" the call return an empty result.
    • Posté le 5 oct. 2026 à 06:03
    • #2070293
    Nice catch, there was an issue with the locale, the categories are always returned in french

    We'll fix it asap, thanks