Language Understanding Intelligent Service (LUIS) Endpoint API for running predictions and extracting user intentions and entities from utterances.

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Language Understanding Intelligent Service (LUIS) Endpoint API for running predictions and extracting user intentions and entities from utterances. API

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Prediction_Resolve2

Gets predictions for a given utterance, in the form of intents and entities. The current maximum query size is 500 characters.

https://api.apis.guru/v2/specs/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}?q=test&log=true&staging=true&verbose=true&spellCheck=true&timezoneOffset=1&bing-spell-check-subscription-key=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}?q=test&log=true&staging=true&verbose=true&spellCheck=true&timezoneOffset=1&bing-spell-check-subscription-key=example"

import requests
params = {
    "q": "test",
    "log": "true",
    "staging": "true",
    "verbose": "true",
    "spellCheck": "true",
    "timezoneOffset": "1",
    "bing-spell-check-subscription-key": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}');
url.searchParams.set('q', 'test');
url.searchParams.set('log', 'true');
url.searchParams.set('staging', 'true');
url.searchParams.set('verbose', 'true');
url.searchParams.set('spellCheck', 'true');
url.searchParams.set('timezoneOffset', '1');
url.searchParams.set('bing-spell-check-subscription-key', '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/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}")
	q := baseURL.Query()
	q.Set("q", "test")
	q.Set("log", "true")
	q.Set("staging", "true")
	q.Set("verbose", "true")
	q.Set("spellCheck", "true")
	q.Set("timezoneOffset", "1")
	q.Set("bing-spell-check-subscription-key", "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/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}")
uri.query = URI.encode_www_form({
  "q" => "test",
  "log" => "true",
  "staging" => "true",
  "verbose" => "true",
  "spellCheck" => "true",
  "timezoneOffset" => "1",
  "bing-spell-check-subscription-key" => "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/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}?" . http_build_query([
    "q" => "test",
    "log" => "true",
    "staging" => "true",
    "verbose" => "true",
    "spellCheck" => "true",
    "timezoneOffset" => "1",
    "bing-spell-check-subscription-key" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

POST Prediction_Resolve

Gets predictions for a given utterance, in the form of intents and entities. The current maximum query size is 500 characters.

https://api.apis.guru/v2/specs/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}?log=true&staging=true&verbose=true&spellCheck=true&timezoneOffset=1&bing-spell-check-subscription-key=example

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}?log=true&staging=true&verbose=true&spellCheck=true&timezoneOffset=1&bing-spell-check-subscription-key=example"

import requests
params = {
    "log": "true",
    "staging": "true",
    "verbose": "true",
    "spellCheck": "true",
    "timezoneOffset": "1",
    "bing-spell-check-subscription-key": "example"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}');
url.searchParams.set('log', 'true');
url.searchParams.set('staging', 'true');
url.searchParams.set('verbose', 'true');
url.searchParams.set('spellCheck', 'true');
url.searchParams.set('timezoneOffset', '1');
url.searchParams.set('bing-spell-check-subscription-key', 'example');

const response = await fetch(url, {
  method: 'POST',
}); 
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/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}")
	q := baseURL.Query()
	q.Set("log", "true")
	q.Set("staging", "true")
	q.Set("verbose", "true")
	q.Set("spellCheck", "true")
	q.Set("timezoneOffset", "1")
	q.Set("bing-spell-check-subscription-key", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("POST", 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/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}")
uri.query = URI.encode_www_form({
  "log" => "true",
  "staging" => "true",
  "verbose" => "true",
  "spellCheck" => "true",
  "timezoneOffset" => "1",
  "bing-spell-check-subscription-key" => "example"
})

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

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

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

<?php
$url = "https://api.apis.guru/v2/specs/azure.com/cognitiveservices-LUIS-Runtime/v2.0 preview/{appId}?" . http_build_query([
    "log" => "true",
    "staging" => "true",
    "verbose" => "true",
    "spellCheck" => "true",
    "timezoneOffset" => "1",
    "bing-spell-check-subscription-key" => "example"
]);
$opts = ["http" => [
    "method" => "POST",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

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See official documentation for authentication and setup.

What can you build with Language Understanding Intelligent Service (LUIS) Endpoint API for running predictions and extracting user intentions and entities from utterances.?

Language Understanding Intelligent Service (LUIS) Endpoint API for running predictions and extracting user intentions and entities from utterances. is a Cloud API. Developers commonly use cloud APIs for:

provisioning and managing cloud infrastructure
automating deployments and container orchestration
monitoring uptime and performance metrics
managing storage buckets and databases
setting up auto-scaling and load balancing

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. Language Understanding Intelligent Service (LUIS) Endpoint API for running predictions and extracting user intentions and entities from utterances. is free to use, making it a low-risk choice to experiment with.

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