NeoWs - (Near Earth Object Web Service)

neowsapp · Data

Data No Auth Free & Open open_data

A web service for near earth objects. All the data is from the NASA JPL Asteroid team . NeoWs is proud to power AsteroidTracker on iOS and Android as well as related apps. Follow us on <a href="https://twitter.c

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Find Near Earth Objects by date

Get a list of Near Earth Objects within a date range, The max range in one query is 7 days

https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/feed?detailed=true&end_date=2024-12-31&start_date=2024-01-01

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/feed?detailed=true&end_date=2024-12-31&start_date=2024-01-01"

import requests
params = {
    "detailed": "true",
    "end_date": "2024-12-31",
    "start_date": "2024-01-01"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/feed",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/feed');
url.searchParams.set('detailed', 'true');
url.searchParams.set('end_date', '2024-12-31');
url.searchParams.set('start_date', '2024-01-01');

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/neowsapp.com/1.0/rest/v1/feed")
	q := baseURL.Query()
	q.Set("detailed", "true")
	q.Set("end_date", "2024-12-31")
	q.Set("start_date", "2024-01-01")
	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/neowsapp.com/1.0/rest/v1/feed")
uri.query = URI.encode_www_form({
  "detailed" => "true",
  "end_date" => "2024-12-31",
  "start_date" => "2024-01-01"
})

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/neowsapp.com/1.0/rest/v1/feed?" . http_build_query([
    "detailed" => "true",
    "end_date" => "2024-12-31",
    "start_date" => "2024-01-01"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Find Near Earth Objects for today

Get a list of Near Earth Objects for today

https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/feed/today?detailed=true

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/feed/today?detailed=true"

import requests
params = {
    "detailed": "true"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/feed/today",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/feed/today');
url.searchParams.set('detailed', 'true');

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/neowsapp.com/1.0/rest/v1/feed/today")
	q := baseURL.Query()
	q.Set("detailed", "true")
	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/neowsapp.com/1.0/rest/v1/feed/today")
uri.query = URI.encode_www_form({
  "detailed" => "true"
})

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/neowsapp.com/1.0/rest/v1/feed/today?" . http_build_query([
    "detailed" => "true"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Browse the Near Earth Objects service

Retieve a paginated list of Near Earth Objects

https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/neo/browse?page=0&size=20

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/neo/browse?page=0&size=20"

import requests
params = {
    "page": "0",
    "size": "20"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/neo/browse",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/neowsapp.com/1.0/rest/v1/neo/browse');
url.searchParams.set('page', '0');
url.searchParams.set('size', '20');

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/neowsapp.com/1.0/rest/v1/neo/browse")
	q := baseURL.Query()
	q.Set("page", "0")
	q.Set("size", "20")
	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/neowsapp.com/1.0/rest/v1/neo/browse")
uri.query = URI.encode_www_form({
  "page" => "0",
  "size" => "20"
})

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/neowsapp.com/1.0/rest/v1/neo/browse?" . http_build_query([
    "page" => "0",
    "size" => "20"
]);
$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 NeoWs - (Near Earth Object Web Service)?

NeoWs - (Near Earth Object Web Service) is a Data API. Developers commonly use data APIs for:

enriching your app with third-party datasets
building data pipelines and ETL workflows
querying and searching large datasets
powering research, analysis, and reporting tools
syncing reference data into your own systems

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. NeoWs - (Near Earth Object Web Service) 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?

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