# Reverse

Reverse geocoding uses latitude and longitude information to provide an address. An optional description of the zoom level provides information suitable for the OpenLayers room level.

{% hint style="info" %}
See the [**API Key Issuance page**](/get-your-api-key.md) for information on using keys.
{% endhint %}

## Reverse Geocoding

<mark style="color:blue;">`GET`</mark> `https://api.fatos.biz/nostra/api/geocoding/reverse`

<https://api.fatos.biz/nostra/api/geocoding/reverse?key=YOUR\\_API\\_KEY\\&format=json\\&lat=13.687091\\&lon=100.533239\\&zoom=18\\&addressdetails=1\\&accept-language=en>

#### Query Parameters

| Name | Type   | Description                       |
| ---- | ------ | --------------------------------- |
| key  | string | Your API Key.                     |
| lat  | string | Y coordinate of the search target |
| lon  | string | X coordinate of the search target |

{% tabs %}
{% tab title="200 " %}

```javascript

{
   "place_id":118088515,
   "licence":"Data © OpenStreetMap contributors, ODbL 1.0. https://osm.org/copyright",
   "osm_type":"way",
   "osm_id":153714066,
   "lat":"13.6871585047729",
   "lon":"100.533058061162",
   "display_name":"Thanon Sathu Pradit, Bang Phong Phang, Bangkok, Yannawa District, Bangkok, 10120, Thailand",
   "address":{
      "road":"Thanon Sathu Pradit",
      "neighbourhood":"Bang Phong Phang",
      "city":"Bangkok",
      "suburb":"Yannawa District",
      "state":"Bangkok",
      "postcode":"10120",
      "country":"Thailand",
      "country_code":"th"
   },
   "boundingbox":[
      "13.6789095",
      "13.6943457",
      "100.5289945",
      "100.5343971"
   ]
}
```

{% endtab %}
{% endtabs %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://nostramap-doc.fatos.biz/fatos-api/search/geocoding/reverse.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.