# Polling/Webhook

<h2>Polling/Webhook</h2>
<h3>1.Unable to get events via webhook/polling.</h3>

<p>
<ol>
    <li>Please check if the merchant authorization and <a
            href="https://api-docs.mykeeta.com/apis/opendelivery/merchantendpoints/putmerchantonboarding">Onboarding</a>
        have been completed. This is a prerequisite for
        successfully obtaining events.
    </li>
    <li>Please check if the eventType parameter in the Polling endpoint is filled in correctly. Must either be omitted
        or
        non-empty.
    </li>
</ol>
</p>

<h3>2.Error response message: Polling API returns an exception: "[xx] is/are invalid"</h3>

<p>
<ol>
    <li>Please check if the merchant has completed <a
            href="https://api-docs.mykeeta.com/apis/opendelivery/merchantendpoints/putmerchantonboarding">Onboarding</a>
        ,
        or if the passed x-polling-merchants is valid.
    </li>

    <li>The x-polling-merchants parameter is a Headers parameter in the Polling endpoint, which requires passing the
        merchant ID of the software service (generated by the software service and corresponding one-to-one with the
        keeta merchant ID).
    </li>

    <li>At the same time, the merchantId parameter needs to be sent to Keeta during merchant Onboarding.</li>
    </p>
</ol>
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