Use Keygen to license and distribute premium WordPress plugins and themes

Securely license and distribute WP plugins and premium themes with a single API.


Free during development, no upfront commitment

5 stars
Demo of the Keygen admin dashboard
<?php
 
$res = wp_remote_post('https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key', [
'headers' => [
'Content-Type' => 'application/json',
'Accept' => 'application/json'
],
'body' => json_encode([
'meta' => [
'scope' => ['fingerprint' => 'www.example.com'],
'key' => 'C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3'
]
])
]);
 
$data = json_decode($res['body']);

From licensing to automatic updates, we've got you covered.

  • checkUse our software distribution API to securely deliver premium plugins and themes. Integrate automatic updates with a single API call.
  • checkProtect your software using our flagship software licensing API. Add feature entitlements, update version constraints, enforce domain- and server-based activation limits, and more.
Get Started with Keygen

Bring your own programming language

Quickly implement Keygen's API in any programming language.

package main
 
import "github.com/keygen-sh/keygen-go"
 
func activate() error {
keygen.Account = os.Getenv("KEYGEN_ACCOUNT")
keygen.Product = os.Getenv("KEYGEN_PRODUCT")
keygen.Token = os.Getenv("KEYGEN_TOKEN")
 
// Validate the license for the current fingerprint
license, err := keygen.Validate(fingerprint)
switch {
case err == keygen.ErrLicenseNotActivated:
// Activate the current fingerprint
machine, err := license.Activate(fingerprint)
switch {
case err == keygen.ErrMachineLimitExceeded:
fmt.Println("Machine limit has been exceeded!")
 
return err
case err != nil:
fmt.Println("Machine activation failed!")
 
return err
}
case err == keygen.ErrLicenseExpired:
fmt.Println("License is expired!")
 
return err
case err != nil:
fmt.Println("License is invalid!")
 
return err
}
 
fmt.Println("License is activated!")
}
const fetch = require('node-fetch')
 
const res = await fetch('https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key', {
method: 'POST',
headers: {
'Content-Type': 'application/vnd.api+json',
'Accept': 'application/vnd.api+json'
},
body: JSON.stringify({
meta: {
key: 'C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3'
}
})
})
 
const { meta } = await res.json()
 
if (meta.valid) {
// Do something
} else {
// Do something else
}
import SwiftyJSON
import Alamofire
 
Alamofire.request("https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key",
method: .post,
headers: [
"Content-Type": "application/vnd.api+json",
"Accept": "application/vnd.api+json"
],
parameters: [
"meta": [
"key": "C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3"
]
],
encoding: JSONEncoding.default
).responseJSON { response in
let json = JSON(data: response.data!)
let valid = json["meta"]["valid"].bool
 
if valid {
// Do something
} else {
// Do something else
}
}
using RestSharp;
using System;
using System.Collections.Generic;
 
var client = new RestClient("https://api.keygen.sh/v1/accounts/demo");
var request = new RestRequest(
"licenses/actions/validate-key",
Method.POST
);
 
request.AddHeader("Content-Type", "application/vnd.api+json");
request.AddHeader("Accept", "application/vnd.api+json");
request.AddJsonBody(new {
meta = new {
key = "C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3"
}
});
 
var response = client.Execute<Dictionary<string, object>>(request);
var meta = (Dictionary<string, object>) response.Data["meta"];
 
if ((bool) meta["valid"])
{
// Do something
}
else
{
// Do something else
}
import com.mashape.unirest.http.exceptions.*
import com.mashape.unirest.http.*
import org.json.*
 
val body = JSONObject(mapOf(
"meta" to mapOf(
"key" to "C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3"
)
))
 
val res = Unirest.post("https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key")
.header("Content-Type", "application/vnd.api+json")
.header("Accept", "application/vnd.api+json")
.body(body)
.asJson()
 
val data = res.getBody().getObject()
val meta = data.getJSONObject("meta")
 
if (meta.getBoolean("valid")) {
// Do something
} else {
// Do something else
}
import com.mashape.unirest.http.exceptions.*;
import com.mashape.unirest.http.*;
import org.json.*;
 
import static java.util.Map.ofEntries;
import static java.util.Map.entry;
 
JSONObject body = new JSONObject(ofEntries(
entry("meta", ofEntries(
entry("key", "C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3")
))
));
 
HttpResponse<JsonNode> res = Unirest.post("https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key")
.header("Content-Type", "application/vnd.api+json")
.header("Accept", "application/vnd.api+json")
.body(body)
.asJson();
 
JSONObject data = res.getBody().getObject();
JSONObject meta = data.getJSONObject("meta");
 
if (meta.getBoolean("valid"))
{
// Do something
}
else
{
// Do something else
}
#[tokio::main]
async fn main() -> Result<(), reqwest::Error> {
let validation: serde_json::Value = reqwest::Client::new()
.post("https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key")
.header("Content-Type", "application/vnd.api+json")
.header("Accept", "application/vnd.api+json")
.json(&serde_json::json!({
"meta": {
"key": "C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3"
}
}))
.send()
.await?
.json()
.await?;
 
if validation["meta"]["valid"].as_bool().unwrap() {
// Do something
} else {
// Do something else
}
 
Ok(())
}
#include <iostream>
#include <string>
#include <cpprest/http_client.h>
#include <cpprest/filestream.h>
 
using namespace std;
using namespace web;
using namespace web::http;
using namespace web::http::client;
using namespace web::json;
using namespace utility;
 
http_client client("https://api.keygen.sh/v1/accounts/demo");
http_request req;
 
value meta;
meta["key"] = value::string("C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3");
 
value body;
body["meta"] = meta;
 
req.headers().add("Content-Type", "application/vnd.api+json");
req.headers().add("Accept", "application/json");
 
req.set_request_uri("/licenses/actions/validate-key");
req.set_method(methods::POST);
req.set_body(body.serialize());
 
client.request(req)
.then([](http_response res)
{
auto data = res.extract_json().get();
auto meta = data.at("meta");
 
if (meta.at("valid").as_bool())
{
// Do something
}
else
{
// Do something else
}
})
.wait();
import requests
import json
 
data = requests.post(
"https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key",
headers={
"Content-Type": "application/vnd.api+json",
"Accept": "application/vnd.api+json"
},
data=json.dumps({
"meta": {
"key": "C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3"
}
})
).json()
 
if data["meta"]["valid"]:
# Do something
else:
# Do something else
require 'httparty'
 
data = HTTParty.post(
'https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key',
headers: {
'Content-Type' => 'application/vnd.api+json',
'Accept' => 'application/vnd.api+json'
},
body: {
meta: {
key: 'C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3'
}
}
)
 
if data['meta']['valid']
# Do something
else
# Do something else
end
<?php
 
$url = 'https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key';
$ch = curl_init($url);
 
$body = json_encode([
'meta' => [
'key' => 'C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3'
]
]);
 
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'Content-Type: application/json',
'Accept: application/json'
]);
 
$json = curl_exec($ch);
$data = json_decode($json);
 
if ($data->meta->valid) {
// Do something
} else {
// Do something else
}

Resources for Licensing and Distribution


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    View Dashboard

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    View Pricing