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Seller API v1 — Reading buyer messages and replying th

  • MondialCollection
    MondialCollection 100% (40194x)
    PRO premium

    8 berichten

    Frankrijk

    Hello,

    Delcampe customer support directed us to this forum for a technical question.

    We manage the seller account MondialCollection and have an active API Pass. We are building a customer-service assistant using n8n.

    Our goal is to read messages received from buyers, retrieve relevant item or order information, and reply directly within the original Delcampe conversation. Cases the assistant cannot handle would be reviewed by a human.

    We could not find messaging endpoints in the Seller API v1 documentation.

    Could you please clarify:

    1. Is there an official API to list conversations, read buyer messages and send replies?
    2. Can we identify unanswered messages and detect whether a human has already replied?
    3. Are notifications or webhooks available for new buyer messages?
    4. If messaging is not currently supported by the API, is there another officially supported integration method, or is this functionality planned?

    Thank you for your help.
  • @alex
    Beheerder
    @alex

    12 berichten

    België

    Hello,

    Delcampe customer support directed us to this forum for a technical question.

    We manage the seller account MondialCollection and have an active API Pass. We are building a customer-service assistant using n8n.

    Our goal is to read messages received from buyers, retrieve relevant item or order information, and reply directly within the original Delcampe conversation. Cases the assistant cannot handle would be reviewed by a human.

    We could not find messaging endpoints in the Seller API v1 documentation.

    Could you please clarify:

    1. Is there an official API to list conversations, read buyer messages and send replies?
    2. Can we identify unanswered messages and detect whether a human has already replied?
    3. Are notifications or webhooks available for new buyer messages?
    4. If messaging is not currently supported by the API, is there another officially supported integration method, or is this functionality planned?

    Thank you for your help.
    • Aangemaakt 16 okt 2026 op 08:20
    • #2073998
    Hello MondialCollection,

    Thank you for your message.

    Unfortunately messaging is not available in the API today. There are no endpoints to read or answer messages, no "unanswered" status, and no webhook for new messages.

    The alternative is email. Each new buyer message is sent by email to your account's address, with an anonymised relay address of the buyer as Reply-To. If you reply to that email from the address registered on your Delcampe account, your answer is posted in the Delcampe conversation. The API also returns this relay address as buyer.email in GET /v1/sales and GET /v1/bills.

    Messaging is not part of our planned API developments, but we will look into it if other users express the same need.

    Best regards,
    Alex