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copied API endpoint documentation from wiki.osm.org to /docs

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docs/CMakeLists.txt
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@ -9,6 +9,7 @@ file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/appendix)
ADD_CUSTOM_TARGET(doc
COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_CURRENT_SOURCE_DIR}/admin ${CMAKE_CURRENT_BINARY_DIR}/admin
COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_CURRENT_SOURCE_DIR}/develop ${CMAKE_CURRENT_BINARY_DIR}/develop
COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_CURRENT_SOURCE_DIR}/api ${CMAKE_CURRENT_BINARY_DIR}/api
COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_CURRENT_SOURCE_DIR}/index.md ${CMAKE_CURRENT_BINARY_DIR}/index.md
COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/bash2md.sh ${PROJECT_SOURCE_DIR}/vagrant/Install-on-Centos-7.sh ${CMAKE_CURRENT_BINARY_DIR}/appendix/Install-on-Centos-7.md
COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/bash2md.sh ${PROJECT_SOURCE_DIR}/vagrant/Install-on-Ubuntu-16.sh ${CMAKE_CURRENT_BINARY_DIR}/appendix/Install-on-Ubuntu-16.md

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## Address lookup
Lookup the address of one or multiple OSM objects like node, way or relation.
### Parameters
```
https://nominatim.openstreetmap.org/lookup?<query>
```
* `format=[xml|json]`
* Output format
* `json_callback=<string>`
* Wrap json output in a callback function (JSONP) i.e. `<string>(<json>)`
* `accept-language=<browser language string>`
* Preferred language order for showing search results, overrides the value specified in the "Accept-Language" HTTP header.
* Either uses standard rfc2616 accept-language string or a simple comma separated list of language codes.
* `osm_ids=[N|W|R]<value>,…,[N|W|R]<value`
* A list of up to 50 specific osm node, way or relations ids to return the addresses for
* `addressdetails=[0|1]`
* defaults to 0
* Include a breakdown of the address into elements
* `email=<valid email address>`
* If you are making large numbers of request please include a valid email address or alternatively include your email address as part of the User-Agent string.
* This information will be kept confidential and only used to contact you in the event of a problem, see [Usage Policy](https://operations.osmfoundation.org/policies/nominatim/) for more details.
* `extratags=1`
* Include additional information in the result if available, e.g. wikipedia link, opening hours.
* `namedetails=1`
* Include a list of alternative names in the results.
* These may include language variants, references, operator and brand.
### Example
* [https://nominatim.openstreetmap.org/lookup?osm_ids=R146656,W104393803,N240109189](https://nominatim.openstreetmap.org/lookup?osm_ids=R146656,W104393803,N240109189)
```xml
<lookupresults timestamp="Mon, 29 Jun 15 18:01:33 +0000" attribution="Data © OpenStreetMap contributors, ODbL 1.0. https://www.openstreetmap.org/copyright" querystring="R146656,W104393803,N240109189" polygon="false">
<place place_id="127761056" osm_type="relation" osm_id="146656" place_rank="16" lat="53.4791466" lon="-2.2447445" display_name="Manchester, Greater Manchester, North West England, England, United Kingdom" class="boundary" type="administrative" importance="0.704893333438333">
<city>Manchester</city>
<county>Greater Manchester</county>
<state_district>North West England</state_district>
<state>England</state>
<country>United Kingdom</country>
<country_code>gb</country_code>
</place>
<place place_id="77769745" osm_type="way" osm_id="104393803" place_rank="30" lat="52.5162024" lon="13.3777343363579" display_name="Brandenburg Gate, 1, Pariser Platz, Mitte, Berlin, 10117, Germany" class="tourism" type="attraction" importance="0.443472858361592">
<attraction>Brandenburg Gate</attraction>
<house_number>1</house_number>
<pedestrian>Pariser Platz</pedestrian>
<suburb>Mitte</suburb>
<city_district>Mitte</city_district>
<city>Berlin</city>
<state>Berlin</state>
<postcode>10117</postcode>
<country>Germany</country>
<country_code>de</country_code>
</place>
<place place_id="2570600569" osm_type="node" osm_id="240109189" place_rank="15" lat="52.5170365" lon="13.3888599" display_name="Berlin, Germany" class="place" type="city" importance="0.822149797630868">
<city>Berlin</city>
<state>Berlin</state>
<country>Germany</country>
<country_code>de</country_code>
</place>
</lookupresults>
```

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## Reverse Geocoding
Reverse geocoding generates an address from a latitude and longitude. The optional `zoom` parameter specifies the level of detail required in terms of something suitable for a Leaflet.js/OpenLayers/etc. zoom level.
### Parameters
```
https://nominatim.openstreetmap.org/reverse?<query>
```
* `format=[xml|json|jsonv2]`
* Output format.
* `jsonv2` adds the next fields to response:
* `place_rank`
* `category`
* `type`
* `importance`
* `addresstype`
* `json_callback=<string>`
* Wrap json output in a callback function (JSONP) i.e. `<string>(<json>)`
* `accept-language=<browser language string>`
* Preferred language order for showing search results, overrides the value specified in the "Accept-Language" HTTP header.
* Either uses standard rfc2616 accept-language string or a simple comma separated list of language codes.
* `osm_type=[N|W|R]` `osm_id=<value>`
* A specific osm node / way / relation to return an address for
* **Please use this in preference to lat/lon where possible**
* `lat=<value>` `lon=<value>`
* The location to generate an address for
* `zoom=[0-18]`
* Level of detail required where `0` is country and `18` is house/building
* `addressdetails=[0|1]`
* defaults to 0
* Include a breakdown of the address into elements
* `email=<valid email address>`
* If you are making large numbers of request please include a valid email address or alternatively include your email address as part of the User-Agent string.
* This information will be kept confidential and only used to contact you in the event of a problem, see [Usage Policy](https://operations.osmfoundation.org/policies/nominatim/) for more details.
* `polygon_geojson=1`
* Output geometry of results in geojson format.
* `polygon_kml=1`
* Output geometry of results in kml format.
* `polygon_svg=1`
* Output geometry of results in svg format.
* `polygon_text=1`
* Output geometry of results as a WKT.
* `extratags=1`
* Include additional information in the result if available, e.g. wikipedia link, opening hours.
* `namedetails=1`
* Include a list of alternative names in the results.
* These may include language variants, references, operator and brand.
### Example
* [https://nominatim.openstreetmap.org/reverse?format=xml&lat=52.5487429714954&lon=-1.81602098644987&zoom=18&addressdetails=1](https://nominatim.openstreetmap.org/reverse?format=xml&lat=52.5487429714954&lon=-1.81602098644987&zoom=18&addressdetails=1)
```xml
<reversegeocode timestamp="Fri, 06 Nov 09 16:33:54 +0000" querystring="...">
<result place_id="1620612" osm_type="node" osm_id="452010817">
135, Pilkington Avenue, Wylde Green, City of Birmingham, West Midlands (county), B72, United Kingdom
</result>
<addressparts>
<house_number>135</house_number>
<road>Pilkington Avenue</road>
<village>Wylde Green</village>
<town>Sutton Coldfield</town>
<city>City of Birmingham</city>
<county>West Midlands (county)</county>
<postcode>B72</postcode>
<country>United Kingdom</country>
<country_code>gb</country_code>
</addressparts>
</reversegeocode>
```
##### Example with `format=jsonv2`
* [https://nominatim.openstreetmap.org/reverse?format=jsonv2&lat=-34.44076&lon=-58.70521](https://nominatim.openstreetmap.org/reverse?format=jsonv2&lat=-34.44076&lon=-58.70521)
```json
{
"place_id":"134140761",
"licence":"Data © OpenStreetMap contributors, ODbL 1.0. http:\/\/www.openstreetmap.org\/copyright",
"osm_type":"way",
"osm_id":"280940520",
"lat":"-34.4391708",
"lon":"-58.7064573",
"place_rank":"26",
"category":"highway",
"type":"motorway",
"importance":"0.1",
"addresstype":"road",
"display_name":"Autopista Pedro Eugenio Aramburu, El Triángulo, Partido de Malvinas Argentinas, Buenos Aires, 1.619, Argentina",
"name":"Autopista Pedro Eugenio Aramburu",
"address":{
"road":"Autopista Pedro Eugenio Aramburu",
"village":"El Triángulo",
"state_district":"Partido de Malvinas Argentinas",
"state":"Buenos Aires",
"postcode":"1.619",
"country":"Argentina",
"country_code":"ar"
},
"boundingbox":["-34.44159","-34.4370994","-58.7086067","-58.7044712"]
}
```
### Hierarchy
* Admin level => XML entity
* 2 => `<country>`
* 4 => `<state>`
* 5 => `<state_district>`
* 6
* 7 => `<county>`
* 8 => `<village>`
* 9 => `<city_district>`
* 10 => `<suburb>`

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## Search
Nominatim indexes named (or numbered) features with the OSM data set and a subset of other unnamed features (pubs, hotels, churches, etc)
Search terms are processed first left to right and then right to left if that fails.
Both searches will work: [pilkington avenue, birmingham](//nominatim.openstreetmap.org/search?q=pilkington+avenue,birmingham), [birmingham, pilkington avenue](//nominatim.openstreetmap.org/search?q=birmingham,+pilkington+avenue)
(Commas are optional, but improve performance by reducing the complexity of the search.)
Where house numbers have been defined for an area they should be used: [135 pilkington avenue, birmingham](//nominatim.openstreetmap.org/search?q=135+pilkington+avenue,+birmingham)
### Special Keywords
Various keywords are translated into searches for specific osm tags (e.g. Pub => amenity=pub). A current list of [special phrases](https://wiki.openstreetmap.org/wiki/Nominatim/Special_Phrases) processed is available.
### Parameters
```
https://nominatim.openstreetmap.org/search?<params>
https://nominatim.openstreetmap.org/search/<query>?<params>
```
* `format=[html|xml|json|jsonv2]`
* Output format
* defaults to `html`
* `json_callback=<string>`
* Wrap json output in a callback function (JSONP) i.e. `<string>(<json>)`
* `accept-language=<browser language string>`
* Preferred language order for showing search results, overrides the value specified in the "Accept-Language" HTTP header.
* Either uses standard rfc2616 accept-language string or a simple comma separated list of language codes.
* `q=<query>`
* Query string to search for.
* Alternatively can be entered as:
* `street=<housenumber> <streetname>`
* `city=<city>`
* `county=<county>`
* `state=<state>`
* `country=<country>`
* `postalcode=<postalcode>`
**(experimental)** Alternative query string format for structured requests.
Structured requests are faster and require fewer server resources. **Do not combine with `q=<query>` parameter**.
* `countrycodes=<countrycode>[,<countrycode>][,<countrycode>]...`
* Limit search results to a specific country (or a list of countries).
* `<countrycode>` should be the ISO 3166-1alpha2 code, e.g. `gb` for the United Kingdom, `de` for Germany, etc.
* `viewbox=<x1>,<y1>,<x2>,<y2>`
* The preferred area to find search results. Any two corner points of the box are accepted in any order as long as they span a real box.
* `bounded=[0|1]`
* defaults to 0
* Restrict the results to only items contained with the viewbox (see above).
* Restricting the results to the bounding box also enables searching by amenity only.
* For example a search query of just `"[pub]"` would normally be rejected but with `bounded=1` will result in a list of items matching within the bounding box.
* `polygon=[0|1]`
* defaults to 0
* Output polygon outlines for items found **(deprecated, use one of the polygon_* parameters instead)**
* `addressdetails=[0|1]`
* defaults to 0
* Include a breakdown of the address into elements
* `email=<valid email address>`
* If you are making large numbers of request please include a valid email address or alternatively include your email address as part of the User-Agent string.
* This information will be kept confidential and only used to contact you in the event of a problem, see [Usage Policy](https://operations.osmfoundation.org/policies/nominatim/) for more details.
* `exclude_place_ids=<place_id,[place_id],[place_id]`
* If you do not want certain openstreetmap objects to appear in the search result, give a comma separated list of the place_id's you want to skip. This can be used to broaden search results. For example, if a previous query only returned a few results, then including those here would cause the search to return other, less accurate, matches (if possible)
* `limit=<integer>`
* defaults to 10
* Limit the number of returned results.
* `dedupe=[0|1]`
* defaults to 1
* Sometimes you have several objects in OSM identifying the same place or object in reality. The simplest case is a street being split in many different OSM ways due to different characteristics.
* Nominatim will attempt to detect such duplicates and only return one match; this is controlled by the dedupe parameter which defaults to 1. Since the limit is, for reasons of efficiency, enforced before and not after de-duplicating, it is possible that de-duplicating leaves you with less results than requested.
* `debug=[0|1]`
* defaults to 0
* Output assorted developer debug information. Data on internals of nominatim "Search Loop" logic, and SQL queries. The output is (rough) HTML format. This overrides the specified machine readable format.
* `polygon_geojson=1`
* Output geometry of results in geojson format.
* `polygon_kml=1`
* Output geometry of results in kml format.
* `polygon_svg=1`
* Output geometry of results in svg format.
* `polygon_text=1`
* Output geometry of results as a WKT.
* `extratags=1`
* Include additional information in the result if available, e.g. wikipedia link, opening hours.
* `namedetails=1`
* Include a list of alternative names in the results.
* These may include language variants, references, operator and brand.
### Examples
* [https://nominatim.openstreetmap.org/search?q=135+pilkington+avenue,+birmingham&format=xml&polygon=1&addressdetails=1](https://nominatim.openstreetmap.org/search?q=135+pilkington+avenue,+birmingham&format=xml&polygon=1&addressdetails=1)
* [https://nominatim.openstreetmap.org/search/135%20pilkington%20avenue,%20birmingham?format=xml&polygon=1&addressdetails=1](https://nominatim.openstreetmap.org/search/135%20pilkington%20avenue,%20birmingham?format=xml&polygon=1&addressdetails=1)
* [https://nominatim.openstreetmap.org/search/gb/birmingham/pilkington%20avenue/135?format=xml&polygon=1&addressdetails=1](https://nominatim.openstreetmap.org/search/gb/birmingham/pilkington%20avenue/135?format=xml&polygon=1&addressdetails=1)
```xml
<searchresults timestamp="Sat, 07 Nov 09 14:42:10 +0000" querystring="135 pilkington, avenue birmingham" polygon="true">
<place
place_id="1620612" osm_type="node" osm_id="452010817"
boundingbox="52.548641204834,52.5488433837891,-1.81612110137939,-1.81592094898224"
polygonpoints="[['-1.81592098644987','52.5487429714954'],['-1.81592290792183','52.5487234624632'],...]"
lat="52.5487429714954" lon="-1.81602098644987"
display_name="135, Pilkington Avenue, Wylde Green, City of Birmingham, West Midlands (county), B72, United Kingdom"
class="place" type="house">
<house_number>135</house_number>
<road>Pilkington Avenue</road>
<village>Wylde Green</village>
<town>Sutton Coldfield</town>
<city>City of Birmingham</city>
<county>West Midlands (county)</county>
<postcode>B72</postcode>
<country>United Kingdom</country>
<country_code>gb</country_code>
</place>
</searchresults>
```
* [https://nominatim.openstreetmap.org/search/Unter%20den%20Linden%201%20Berlin?format=json&addressdetails=1&limit=1&polygon_svg=1](https://nominatim.openstreetmap.org/search/Unter%20den%20Linden%201%20Berlin?format=json&addressdetails=1&limit=1&polygon_svg=1)
```json
{
"address": {
"city": "Berlin",
"city_district": "Mitte",
"construction": "Unter den Linden",
"continent": "European Union",
"country": "Deutschland",
"country_code": "de",
"house_number": "1",
"neighbourhood": "Scheunenviertel",
"postcode": "10117",
"public_building": "Kommandantenhaus",
"state": "Berlin",
"suburb": "Mitte"
},
"boundingbox": [
"52.5170783996582",
"52.5173187255859",
"13.3975105285645",
"13.3981599807739"
],
"class": "amenity",
"display_name": "Kommandantenhaus, 1, Unter den Linden, Scheunenviertel, Mitte, Berlin, 10117, Deutschland, European Union",
"importance": 0.73606775332943,
"lat": "52.51719785",
"licence": "Data \u00a9 OpenStreetMap contributors, ODbL 1.0. https://www.openstreetmap.org/copyright",
"lon": "13.3978352028938",
"osm_id": "15976890",
"osm_type": "way",
"place_id": "30848715",
"svg": "M 13.397511 -52.517283599999999 L 13.397829400000001 -52.517299800000004 13.398131599999999 -52.517315099999998 13.398159400000001 -52.517112099999999 13.3975388 -52.517080700000001 Z",
"type": "public_building"
}
```
* [https://nominatim.openstreetmap.org/?format=json&addressdetails=1&q=bakery+in+berlin+wedding&format=json&limit=1](https://nominatim.openstreetmap.org/?format=json&addressdetails=1&q=bakery+in+berlin+wedding&format=json&limit=1)
```json
{
"address": {
"bakery": "B\u00e4cker Kamps",
"city_district": "Mitte",
"continent": "European Union",
"country": "Deutschland",
"country_code": "de",
"footway": "Bahnsteig U6",
"neighbourhood": "Sprengelkiez",
"postcode": "13353",
"state": "Berlin",
"suburb": "Wedding"
},
"boundingbox": [
"52.5460929870605",
"52.5460968017578",
"13.3591794967651",
"13.3591804504395"
],
"class": "shop",
"display_name": "B\u00e4cker Kamps, Bahnsteig U6, Sprengelkiez, Wedding, Mitte, Berlin, 13353, Deutschland, European Union",
"icon": "https://nominatim.openstreetmap.org/images/mapicons/shopping_bakery.p.20.png",
"importance": 0.201,
"lat": "52.5460941",
"licence": "Data \u00a9 OpenStreetMap contributors, ODbL 1.0. https://www.openstreetmap.org/copyright",
"lon": "13.35918",
"osm_id": "317179427",
"osm_type": "node",
"place_id": "1453068",
"type": "bakery"
}
```

4
docs/mkdocs.yml
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@ -5,6 +5,10 @@ site_url: http://nominatim.org
repo_url: https://github.com/openstreetmap/Nominatim
pages:
- 'Introduction' : 'index.md'
- 'API Reference':
- 'Search': 'api/Search.md'
- 'Reverse': 'api/Reverse.md'
- 'Address Lookup': 'api/Lookup.md'
- 'Administration Guide':
- 'Basic Installation': 'admin/Installation.md'
- 'Importing and Updating' : 'admin/Import-and-Update.md'