> For the complete documentation index, see [llms.txt](https://easyparser.gitbook.io/easyparser-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://easyparser.gitbook.io/easyparser-documentation/real-time-integration/common-required-request-fields.md).

# Common Required Request Fields

<table data-full-width="false"><thead><tr><th width="186">Field</th><th width="207">Type</th><th width="275">Description</th></tr></thead><tbody><tr><td><code>api_key</code></td><td>string</td><td>Your API key for authentication</td></tr><tr><td><code>platform</code></td><td>string</td><td>Target platform (e.g. <code>Amazon</code>)</td></tr><tr><td><code>domain</code></td><td>string</td><td>Amazon marketplace domain (e.g. <code>.com</code>, <code>.co.uk</code>, <code>.de</code>, etc.)</td></tr><tr><td><code>operation</code></td><td>string</td><td>Name of the operation to perform (e.g. <code>Detail</code>, <code>Offer</code>, <code>Search</code>)</td></tr><tr><td><code>asin</code> / <code>url</code> / <code>keyword</code>  / <code>seller_id</code>  </td><td>string</td><td>Product identifier  ASIN, URL, KEYWORD or SELLER_ID. At least one required in most operations</td></tr></tbody></table>