> For the complete documentation index, see [llms.txt](https://developers.textcus.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.textcus.com/overview/sender-ids.md).

# Sender IDs

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:yellow;"><strong><code>POST</code></strong></mark></td><td>To add new sender data to the system, use this request.</td><td><a href="/pages/WY2RKyopOdlYqEnL3pge">/pages/WY2RKyopOdlYqEnL3pge</a></td></tr><tr><td><mark style="color:green;"><strong><code>GET</code></strong></mark></td><td>To retrieve sender data from the system, use this request.</td><td><a href="/pages/E0dlsDwa2TG7Hogewzh8">/pages/E0dlsDwa2TG7Hogewzh8</a></td></tr></tbody></table>