httpbin.org

httpbin · Developer Tools

Developer Tools No Auth Free & Open developer_tools

A simple HTTP Request & Response Service. Run locally: $ docker run -p 80:80 kennethreitz/httpbin

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Drips data over a duration after an optional initial delay.

Drips data over a duration after an optional initial delay.

https://api.apis.guru/v2/specs/httpbin.org/0.9.2/drip?code=200&delay=2&duration=2&numbytes=10

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/httpbin.org/0.9.2/drip?code=200&delay=2&duration=2&numbytes=10"

import requests
params = {
    "code": "200",
    "delay": "2",
    "duration": "2",
    "numbytes": "10"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/httpbin.org/0.9.2/drip",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/httpbin.org/0.9.2/drip');
url.searchParams.set('code', '200');
url.searchParams.set('delay', '2');
url.searchParams.set('duration', '2');
url.searchParams.set('numbytes', '10');

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/httpbin.org/0.9.2/drip")
	q := baseURL.Query()
	q.Set("code", "200")
	q.Set("delay", "2")
	q.Set("duration", "2")
	q.Set("numbytes", "10")
	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/httpbin.org/0.9.2/drip")
uri.query = URI.encode_www_form({
  "code" => "200",
  "delay" => "2",
  "duration" => "2",
  "numbytes" => "10"
})

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/httpbin.org/0.9.2/drip?" . http_build_query([
    "code" => "200",
    "delay" => "2",
    "duration" => "2",
    "numbytes" => "10"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET 302/3XX Redirects to the given URL.

302/3XX Redirects to the given URL.

https://api.apis.guru/v2/specs/httpbin.org/0.9.2/redirect-to?url=https://example.com&status_code=1

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/httpbin.org/0.9.2/redirect-to?url=https%3A%2F%2Fexample.com&status_code=1"

import requests
params = {
    "url": "https://example.com",
    "status_code": "1"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/httpbin.org/0.9.2/redirect-to",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/httpbin.org/0.9.2/redirect-to');
url.searchParams.set('url', 'https://example.com');
url.searchParams.set('status_code', '1');

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/httpbin.org/0.9.2/redirect-to")
	q := baseURL.Query()
	q.Set("url", "https://example.com")
	q.Set("status_code", "1")
	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/httpbin.org/0.9.2/redirect-to")
uri.query = URI.encode_www_form({
  "url" => "https://example.com",
  "status_code" => "1"
})

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/httpbin.org/0.9.2/redirect-to?" . http_build_query([
    "url" => "https://example.com",
    "status_code" => "1"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Returns a set of response headers from the query string.

Returns a set of response headers from the query string.

https://api.apis.guru/v2/specs/httpbin.org/0.9.2/response-headers?freeform=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/httpbin.org/0.9.2/response-headers?freeform=example"

import requests
params = {
    "freeform": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/httpbin.org/0.9.2/response-headers",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/httpbin.org/0.9.2/response-headers');
url.searchParams.set('freeform', 'example');

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/httpbin.org/0.9.2/response-headers")
	q := baseURL.Query()
	q.Set("freeform", "example")
	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/httpbin.org/0.9.2/response-headers")
uri.query = URI.encode_www_form({
  "freeform" => "example"
})

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/httpbin.org/0.9.2/response-headers?" . http_build_query([
    "freeform" => "example"
]);
$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 httpbin.org?

httpbin.org is a Developer Tools API. Developers commonly use developer tools APIs for:

automating code review and quality checks
integrating CI/CD pipelines and build systems
managing feature flags and A/B tests
monitoring errors and application performance
generating and validating test data

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

New to APIs? Read our beginner's guide

Open documentation ↗