> For the complete documentation index, see [llms.txt](https://docs.localramp.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.localramp.co/institutional-onramp-greater-than-usd100k/initiate-transaction.md).

# Initiate transaction

To initiate an institutional onramp, make a **POST** request to the following endpoint.

{% code overflow="wrap" %}

```url
https://api.localramp.co/v1/institution/buy/initiate
```

{% endcode %}

Please find below the request body for the endpoint.

<table><thead><tr><th width="201">Field</th><th width="109">Data Type</th><th>Description</th></tr></thead><tbody><tr><td>reference</td><td>String</td><td><strong>Required</strong> - your unique reference for the transaction</td></tr><tr><td>sender_currency</td><td>String</td><td><strong>Required</strong> e.g "NGN", "GHS"</td></tr><tr><td>country_code</td><td>String</td><td><strong>Required</strong> e.g "NG", "GH"</td></tr></tbody></table>

With the following header

```
x-auth-token: <SECRET_KEY>
```

\ <br>