GeoDataSource Location Search

geodatasource · Location

Location No Auth Free & Open location

GeoDataSource™ Web Service is a REST API enable user to lookup for a city by using latitude and longitude coordinate. It will return the result in either JSON or XML containing the information of country, region, city, latitude and longitude. Visit https://www.geodatasource.com/web-service for further information.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET GET /city

Get City name by using latitude and longitude

https://api.apis.guru/v2/specs/geodatasource.com/1.0/city?key=YOUR_API_KEY&lat=51.5074&lng=1&format=json

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/geodatasource.com/1.0/city?key=YOUR_API_KEY&lat=51.5074&lng=1&format=json"

import requests
params = {
    "key": "YOUR_API_KEY",
    "lat": "51.5074",
    "lng": "1",
    "format": "json"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/geodatasource.com/1.0/city",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/geodatasource.com/1.0/city');
url.searchParams.set('key', 'YOUR_API_KEY');
url.searchParams.set('lat', '51.5074');
url.searchParams.set('lng', '1');
url.searchParams.set('format', 'json');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/geodatasource.com/1.0/city")
	q := baseURL.Query()
	q.Set("key", "YOUR_API_KEY")
	q.Set("lat", "51.5074")
	q.Set("lng", "1")
	q.Set("format", "json")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/geodatasource.com/1.0/city")
uri.query = URI.encode_www_form({
  "key" => "YOUR_API_KEY",
  "lat" => "51.5074",
  "lng" => "1",
  "format" => "json"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/geodatasource.com/1.0/city?" . http_build_query([
    "key" => "YOUR_API_KEY",
    "lat" => "51.5074",
    "lng" => "1",
    "format" => "json"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

See official documentation for authentication and setup.

What can you build with GeoDataSource Location Search?

GeoDataSource Location Search is a Location API. Developers commonly use location APIs for:

tracking assets and vehicles in real time
building delivery and logistics apps
finding nearby businesses or services
geo-fencing and location-based notifications
address validation and autocomplete

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. GeoDataSource Location Search is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide · Learn about API keys · What is REST?

Open documentation ↗