Free Dictionary API

api.dictionaryapi.dev · Developer Tools

Developer Tools No Auth Free & Open Dictionary Language NLP

English dictionary API — definitions, phonetics, audio pronunciations, parts of speech, examples, synonyms, and antonyms. No API key required.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Look up a word

Get full dictionary entry for "hello".

https://api.dictionaryapi.dev/api/v2/entries/en/hello

Hover any highlighted part to learn what it does

curl -X GET "https://api.dictionaryapi.dev/api/v2/entries/en/hello"

import requests
response = requests.get(
    "https://api.dictionaryapi.dev/api/v2/entries/en/hello",
)
print(response.json())

const url = 'https://api.dictionaryapi.dev/api/v2/entries/en/hello';

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.dictionaryapi.dev/api/v2/entries/en/hello"
	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.dictionaryapi.dev/api/v2/entries/en/hello")

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.dictionaryapi.dev/api/v2/entries/en/hello";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Look up in Spanish

Get Spanish dictionary entry for "hola".

https://api.dictionaryapi.dev/api/v2/entries/es/hola

Hover any highlighted part to learn what it does

curl -X GET "https://api.dictionaryapi.dev/api/v2/entries/es/hola"

import requests
response = requests.get(
    "https://api.dictionaryapi.dev/api/v2/entries/es/hola",
)
print(response.json())

const url = 'https://api.dictionaryapi.dev/api/v2/entries/es/hola';

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.dictionaryapi.dev/api/v2/entries/es/hola"
	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.dictionaryapi.dev/api/v2/entries/es/hola")

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.dictionaryapi.dev/api/v2/entries/es/hola";
$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 ↗

No API key needed
Try GET https://api.dictionaryapi.dev/api/v2/entries/en/serendipity
Response includes phonetics, definitions, examples, synonyms, antonyms
Supports multiple languages: en, hi, es, fr, ja, ru, de, it, ko, pt-BR, ar, tr

Open documentation ↗