OpenAPI space

openapi · Developer Tools

Developer Tools No Auth Free & Open developer_tools

This is the API for OpenAPI space.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Retrieves a list of currently defined APIs in API meta list format.

Retrieves a list of currently defined APIs in API meta list format.

https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis?sort=NAME&limit=10&order=ASC&query=&offset=0

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis?sort=NAME&limit=10&order=ASC&query=&offset=0"

import requests
params = {
    "sort": "NAME",
    "limit": "10",
    "order": "ASC",
    "query": "",
    "offset": "0"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis');
url.searchParams.set('sort', 'NAME');
url.searchParams.set('limit', '10');
url.searchParams.set('order', 'ASC');
url.searchParams.set('query', '');
url.searchParams.set('offset', '0');

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/openapi.space/1.0.0/apis")
	q := baseURL.Query()
	q.Set("sort", "NAME")
	q.Set("limit", "10")
	q.Set("order", "ASC")
	q.Set("query", "")
	q.Set("offset", "0")
	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/openapi.space/1.0.0/apis")
uri.query = URI.encode_www_form({
  "sort" => "NAME",
  "limit" => "10",
  "order" => "ASC",
  "query" => "",
  "offset" => "0"
})

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/openapi.space/1.0.0/apis?" . http_build_query([
    "sort" => "NAME",
    "limit" => "10",
    "order" => "ASC",
    "query" => "",
    "offset" => "0"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Retrieves an API meta listing of all APIs defined for this owner

Retrieves an API meta listing of all APIs defined for this owner

https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis/{owner}?sort=NAME&order=ASC

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis/{owner}?sort=NAME&order=ASC"

import requests
params = {
    "sort": "NAME",
    "order": "ASC"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis/{owner}",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis/{owner}');
url.searchParams.set('sort', 'NAME');
url.searchParams.set('order', 'ASC');

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/openapi.space/1.0.0/apis/{owner}")
	q := baseURL.Query()
	q.Set("sort", "NAME")
	q.Set("order", "ASC")
	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/openapi.space/1.0.0/apis/{owner}")
uri.query = URI.encode_www_form({
  "sort" => "NAME",
  "order" => "ASC"
})

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/openapi.space/1.0.0/apis/{owner}?" . http_build_query([
    "sort" => "NAME",
    "order" => "ASC"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Retrieves an API meta listing for all API versions for this owner and API

Retrieves an API meta listing for all API versions for this owner and API

https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis/{owner}/{api}

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis/{owner}/{api}"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis/{owner}/{api}",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis/{owner}/{api}';

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

package main

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

func main() {
	targetURL := "https://api.apis.guru/v2/specs/openapi.space/1.0.0/apis/{owner}/{api}"
	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/openapi.space/1.0.0/apis/{owner}/{api}")

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/openapi.space/1.0.0/apis/{owner}/{api}";
$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 OpenAPI space?

OpenAPI space 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. OpenAPI space is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗