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Wordnik

wordnik · Company

Company No Auth Free & Open text

Wordnik is the worlds biggest online English dictionary, by number of words

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Returns a single random WordObject

Returns a single random WordObject

https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/randomWord?maxLength=-1&minLength=5&maxCorpusCount=-1&minCorpusCount=0&hasDictionaryDef=true&maxDictionaryCount=-1&minDictionaryCount=1&excludePartOfSpeech=example&includePartOfSpeech=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/randomWord?maxLength=-1&minLength=5&maxCorpusCount=-1&minCorpusCount=0&hasDictionaryDef=true&maxDictionaryCount=-1&minDictionaryCount=1&excludePartOfSpeech=example&includePartOfSpeech=example"
import requests
params = {
    "maxLength": "-1",
    "minLength": "5",
    "maxCorpusCount": "-1",
    "minCorpusCount": "0",
    "hasDictionaryDef": "true",
    "maxDictionaryCount": "-1",
    "minDictionaryCount": "1",
    "excludePartOfSpeech": "example",
    "includePartOfSpeech": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/randomWord",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/randomWord');
url.searchParams.set('maxLength', '-1');
url.searchParams.set('minLength', '5');
url.searchParams.set('maxCorpusCount', '-1');
url.searchParams.set('minCorpusCount', '0');
url.searchParams.set('hasDictionaryDef', 'true');
url.searchParams.set('maxDictionaryCount', '-1');
url.searchParams.set('minDictionaryCount', '1');
url.searchParams.set('excludePartOfSpeech', 'example');
url.searchParams.set('includePartOfSpeech', '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/wordnik.com/4.0/words.json/randomWord")
	q := baseURL.Query()
	q.Set("maxLength", "-1")
	q.Set("minLength", "5")
	q.Set("maxCorpusCount", "-1")
	q.Set("minCorpusCount", "0")
	q.Set("hasDictionaryDef", "true")
	q.Set("maxDictionaryCount", "-1")
	q.Set("minDictionaryCount", "1")
	q.Set("excludePartOfSpeech", "example")
	q.Set("includePartOfSpeech", "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/wordnik.com/4.0/words.json/randomWord")
uri.query = URI.encode_www_form({
  "maxLength" => "-1",
  "minLength" => "5",
  "maxCorpusCount" => "-1",
  "minCorpusCount" => "0",
  "hasDictionaryDef" => "true",
  "maxDictionaryCount" => "-1",
  "minDictionaryCount" => "1",
  "excludePartOfSpeech" => "example",
  "includePartOfSpeech" => "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/wordnik.com/4.0/words.json/randomWord?" . http_build_query([
    "maxLength" => "-1",
    "minLength" => "5",
    "maxCorpusCount" => "-1",
    "minCorpusCount" => "0",
    "hasDictionaryDef" => "true",
    "maxDictionaryCount" => "-1",
    "minDictionaryCount" => "1",
    "excludePartOfSpeech" => "example",
    "includePartOfSpeech" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
GET Returns an array of random WordObjects

Returns an array of random WordObjects

https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/randomWords?limit=10&sortBy=alpha&maxLength=-1&minLength=5&sortOrder=asc&maxCorpusCount=-1&minCorpusCount=0&hasDictionaryDef=true&maxDictionaryCount=-1&minDictionaryCount=1&excludePartOfSpeech=example&includePartOfSpeech=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/randomWords?limit=10&sortBy=alpha&maxLength=-1&minLength=5&sortOrder=asc&maxCorpusCount=-1&minCorpusCount=0&hasDictionaryDef=true&maxDictionaryCount=-1&minDictionaryCount=1&excludePartOfSpeech=example&includePartOfSpeech=example"
import requests
params = {
    "limit": "10",
    "sortBy": "alpha",
    "maxLength": "-1",
    "minLength": "5",
    "sortOrder": "asc",
    "maxCorpusCount": "-1",
    "minCorpusCount": "0",
    "hasDictionaryDef": "true",
    "maxDictionaryCount": "-1",
    "minDictionaryCount": "1",
    "excludePartOfSpeech": "example",
    "includePartOfSpeech": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/randomWords",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/randomWords');
url.searchParams.set('limit', '10');
url.searchParams.set('sortBy', 'alpha');
url.searchParams.set('maxLength', '-1');
url.searchParams.set('minLength', '5');
url.searchParams.set('sortOrder', 'asc');
url.searchParams.set('maxCorpusCount', '-1');
url.searchParams.set('minCorpusCount', '0');
url.searchParams.set('hasDictionaryDef', 'true');
url.searchParams.set('maxDictionaryCount', '-1');
url.searchParams.set('minDictionaryCount', '1');
url.searchParams.set('excludePartOfSpeech', 'example');
url.searchParams.set('includePartOfSpeech', '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/wordnik.com/4.0/words.json/randomWords")
	q := baseURL.Query()
	q.Set("limit", "10")
	q.Set("sortBy", "alpha")
	q.Set("maxLength", "-1")
	q.Set("minLength", "5")
	q.Set("sortOrder", "asc")
	q.Set("maxCorpusCount", "-1")
	q.Set("minCorpusCount", "0")
	q.Set("hasDictionaryDef", "true")
	q.Set("maxDictionaryCount", "-1")
	q.Set("minDictionaryCount", "1")
	q.Set("excludePartOfSpeech", "example")
	q.Set("includePartOfSpeech", "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/wordnik.com/4.0/words.json/randomWords")
uri.query = URI.encode_www_form({
  "limit" => "10",
  "sortBy" => "alpha",
  "maxLength" => "-1",
  "minLength" => "5",
  "sortOrder" => "asc",
  "maxCorpusCount" => "-1",
  "minCorpusCount" => "0",
  "hasDictionaryDef" => "true",
  "maxDictionaryCount" => "-1",
  "minDictionaryCount" => "1",
  "excludePartOfSpeech" => "example",
  "includePartOfSpeech" => "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/wordnik.com/4.0/words.json/randomWords?" . http_build_query([
    "limit" => "10",
    "sortBy" => "alpha",
    "maxLength" => "-1",
    "minLength" => "5",
    "sortOrder" => "asc",
    "maxCorpusCount" => "-1",
    "minCorpusCount" => "0",
    "hasDictionaryDef" => "true",
    "maxDictionaryCount" => "-1",
    "minDictionaryCount" => "1",
    "excludePartOfSpeech" => "example",
    "includePartOfSpeech" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
GET Reverse dictionary search

Reverse dictionary search

https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/reverseDictionary?skip=0&limit=10&query=test&sortBy=alpha&maxLength=-1&minLength=1&sortOrder=asc&expandTerms=example&includeTags=false&maxCorpusCount=-1&minCorpusCount=5&findSenseForWord=example&excludePartOfSpeech=example&includePartOfSpeech=example&excludeSourceDictionaries=ahd-5&includeSourceDictionaries=ahd-5

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/reverseDictionary?skip=0&limit=10&query=test&sortBy=alpha&maxLength=-1&minLength=1&sortOrder=asc&expandTerms=example&includeTags=false&maxCorpusCount=-1&minCorpusCount=5&findSenseForWord=example&excludePartOfSpeech=example&includePartOfSpeech=example&excludeSourceDictionaries=ahd-5&includeSourceDictionaries=ahd-5"
import requests
params = {
    "skip": "0",
    "limit": "10",
    "query": "test",
    "sortBy": "alpha",
    "maxLength": "-1",
    "minLength": "1",
    "sortOrder": "asc",
    "expandTerms": "example",
    "includeTags": "false",
    "maxCorpusCount": "-1",
    "minCorpusCount": "5",
    "findSenseForWord": "example",
    "excludePartOfSpeech": "example",
    "includePartOfSpeech": "example",
    "excludeSourceDictionaries": "ahd-5",
    "includeSourceDictionaries": "ahd-5"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/reverseDictionary",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/wordnik.com/4.0/words.json/reverseDictionary');
url.searchParams.set('skip', '0');
url.searchParams.set('limit', '10');
url.searchParams.set('query', 'test');
url.searchParams.set('sortBy', 'alpha');
url.searchParams.set('maxLength', '-1');
url.searchParams.set('minLength', '1');
url.searchParams.set('sortOrder', 'asc');
url.searchParams.set('expandTerms', 'example');
url.searchParams.set('includeTags', 'false');
url.searchParams.set('maxCorpusCount', '-1');
url.searchParams.set('minCorpusCount', '5');
url.searchParams.set('findSenseForWord', 'example');
url.searchParams.set('excludePartOfSpeech', 'example');
url.searchParams.set('includePartOfSpeech', 'example');
url.searchParams.set('excludeSourceDictionaries', 'ahd-5');
url.searchParams.set('includeSourceDictionaries', 'ahd-5');

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/wordnik.com/4.0/words.json/reverseDictionary")
	q := baseURL.Query()
	q.Set("skip", "0")
	q.Set("limit", "10")
	q.Set("query", "test")
	q.Set("sortBy", "alpha")
	q.Set("maxLength", "-1")
	q.Set("minLength", "1")
	q.Set("sortOrder", "asc")
	q.Set("expandTerms", "example")
	q.Set("includeTags", "false")
	q.Set("maxCorpusCount", "-1")
	q.Set("minCorpusCount", "5")
	q.Set("findSenseForWord", "example")
	q.Set("excludePartOfSpeech", "example")
	q.Set("includePartOfSpeech", "example")
	q.Set("excludeSourceDictionaries", "ahd-5")
	q.Set("includeSourceDictionaries", "ahd-5")
	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/wordnik.com/4.0/words.json/reverseDictionary")
uri.query = URI.encode_www_form({
  "skip" => "0",
  "limit" => "10",
  "query" => "test",
  "sortBy" => "alpha",
  "maxLength" => "-1",
  "minLength" => "1",
  "sortOrder" => "asc",
  "expandTerms" => "example",
  "includeTags" => "false",
  "maxCorpusCount" => "-1",
  "minCorpusCount" => "5",
  "findSenseForWord" => "example",
  "excludePartOfSpeech" => "example",
  "includePartOfSpeech" => "example",
  "excludeSourceDictionaries" => "ahd-5",
  "includeSourceDictionaries" => "ahd-5"
})

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/wordnik.com/4.0/words.json/reverseDictionary?" . http_build_query([
    "skip" => "0",
    "limit" => "10",
    "query" => "test",
    "sortBy" => "alpha",
    "maxLength" => "-1",
    "minLength" => "1",
    "sortOrder" => "asc",
    "expandTerms" => "example",
    "includeTags" => "false",
    "maxCorpusCount" => "-1",
    "minCorpusCount" => "5",
    "findSenseForWord" => "example",
    "excludePartOfSpeech" => "example",
    "includePartOfSpeech" => "example",
    "excludeSourceDictionaries" => "ahd-5",
    "includeSourceDictionaries" => "ahd-5"
]);
$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 ↗
  1. See official documentation for authentication and setup.

What can you build with Wordnik?

Wordnik is a Company API. Developers commonly use company APIs for:

  • enriching CRM records with company firmographics
  • building lead-generation and prospecting tools
  • verifying business identity and registration details
  • monitoring competitors and market intelligence
  • powering B2B data enrichment pipelines

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

New to APIs? Read our beginner's guide

Open documentation ↗