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Create app developer account API docs A custom integration Build a custom solution specifically for your business. Get your HubSpot API key so you can add advanced functionality to your account, import/export data, or sync your account with other tools. Get started quickly, with no need to build OAuth management. Get your HubSpot API key A website Build a powerful, stunning website using the HubSpot CMS. Develop locally with your own editors and frameworks. Extend the functionality of your website with HubSpot APIs, integrations, and the App Marketplace. Get industry-leading content, security, and management so you can focus on code, not infrastructure. Get started on the CMS CMS docs You create solutions. We help you build and share them. More than 1,000,000 app installs HubSpot CMS voted #1 web content management system on G2 Each HubSpot customer averages 6+ third-party app installs Grow a Global Customer Base 94% of HubSpot’s 73K+ customers (not to mention our free users) use apps to grow their businesses. With a brand-new App Marketplace making it easier than ever to find solutions, there’s never been a better time to become an app partner. Build Something Dynamic HubSpot’s powerful CMS handles scaling and security so you don’t have to. Build a visually stunning website your marketing team will love, using developer-friendly tools, templates, and technologies. Documentation and Support HubSpot makes it easy to build powerful apps and websites with clear documentation, effective developer tools, detailed educational walkthroughs, active developer community forums, and responsive support teams. Scale your business with a CMS designed for growth. When you don't have to worry about your tech, you can spend more time focusing on your customers. Powerful for developers, flexible for marketers Use your preferred tools to build robust websites that marketers can easily edit and expand. Fast, secure, and reliable Enjoy our lightning-fast CDN while letting us handle platform updates, security, and other tedious tasks that keep you from doing innovative work. Integrated with and powered by the HubSpot CRM Replace your patchwork solution with a unified system that allows you to build personalized experiences right out of the box. Get started on the CMS Explore HubSpot's APIs The HubSpot API empowers any developer or team to build custom solutions. Take a look at the examples below or visit our docs to get started. CRM Objects API Domain Management API Webhooks API CRM Cards CRM Objects API cURL Node PHP Python Ruby curl --request GET \ --url 'https://api.hubapi.com/crm/v3/objects/companies?limit=10&archived=false' \ --header 'accept: application/json' var request = require("request"); var options = { method: 'GET', url: 'https://api.hubapi.com/crm/v3/objects/companies', qs: {limit: '10', archived: 'false'}, headers: {accept: 'application/json'} }; request(options, function (error, response, body) { if (error) throw new Error(error); console.log(body); }); <?php $curl = curl_init(); curl_setopt_array($curl, array( CURLOPT_URL => "https://api.hubapi.com/crm/v3/objects/companies?limit=10&archived=false&hapikey=YOUR_HUBSPOT_API_KEY", CURLOPT_RETURNTRANSFER => true, CURLOPT_ENCODING => "", CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 30, CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, CURLOPT_CUSTOMREQUEST => "GET", CURLOPT_HTTPHEADER => array( "accept: application/json" ), )); $response = curl_exec($curl); $err = curl_error($curl); curl_close($curl); if ($err) { echo "cURL Error #:" . $err; } else { echo $response; } require 'uri' require 'net/http' require 'openssl' url = URI("https://api.hubapi.com/crm/v3/objects/companies?limit=10&archived=false&hapikey=YOUR_HUBSPOT_API_KEY") http = Net::HTTP.new(url.host, url.port) http.use_ssl = true http.verify_mode = OpenSSL::SSL::VERIFY_NONE request = Net::HTTP::Get.new(url) request["accept"] = 'application/json' response = http.request(request) puts response.read_body require 'uri' require 'net/http' require 'openssl' url = URI("https://api.hubapi.com/crm/v3/objects/companies?limit=10&archived=false&hapikey=YOUR_HUBSPOT_API_KEY") http = Net::HTTP.new(url.host, url.port) http.use_ssl = true http.verify_mode = OpenSSL::SSL::VERIFY_NONE request = Net::HTTP::Get.new(url) request["accept"] = 'application/json' response = http.request(request) puts response.read_body Domain Management API cURL Node PHP Python Ruby curl --request GET \ --url 'https://api.hubapi.com/cms/v3/domains/?hapikey=YOUR_HUBSPOT_API_KEY'\ --header 'accept: application/json' var request = require("request"); var options = { method: 'GET', url: 'https://api.hubapi.com/cms/v3/domains/', qs: {hapikey: 'YOUR_HUBSPOT_API_KEY'}, headers: {accept: 'application/json'} }; request(options, function (error, response, body) { if (error) throw new Error(error); console.log(body); }); <?php $curl = curl_init(); curl_setopt_array($curl, array( CURLOPT_URL => "https://api.hubapi.com/cms/v3/domains/?hapikey=YOUR_HUBSPOT_API_KEY", CURLOPT_RETURNTRANSFER => true, CURLOPT_ENCODING => "", CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 30, CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, CURLOPT_CUSTOMREQUEST => "GET", CURLOPT_HTTPHEADER => array( "accept: application/json" ), )); $response = curl_exec($curl); $err = curl_error($curl); curl_close($curl); if ($err) { echo "cURL Error #:" . $err; } else { echo $response; } import requests url = "https://api.hubapi.com/cms/v3/domains/" querystring = {"hapikey":"YOUR_HUBSPOT_API_KEY"} headers = {'accept': 'application/json'} response = requests.request("GET", url, headers=headers, params=querystring) print(response.text) require 'uri' require 'net/http' require 'openssl' url = URI("https://api.hubapi.com/cms/v3/domains/?hapikey=YOUR_HUBSPOT_API_KEY") http = Net::HTTP.new(url.host, url.port) http.use_ssl = true http.verify_mode = OpenSSL::SSL::VERIFY_NONE request = Net::HTTP::Get.new(url) request["accept"] = 'application/json' response = http.request(request) puts response.read_body Webhooks API cURL Node PHP Python Ruby curl --request GET \ --url 'https://api.hubapi.com/webhooks/v3/appId/settings?hapikey=YOUR_HUBSPOT_API_KEY'\ --header 'accept: application/json' var request = require("request"); var options = { method: 'GET', url: 'https://api.hubapi.com/webhooks/v3/appId/settings', qs: {hapikey: 'YOUR_HUBSPOT_API_KEY'}, headers: {accept: 'application/json'} }; request(options, function (error, response, body) { if (error) throw new Error(error); console.log(body); }); <?php $curl = curl_init(); curl_setopt_array($curl, array( CURLOPT_URL => "https://api.hubapi.com/webhooks/v3/appId/settings?hapikey=YOUR_HUBSPOT_API_KEY", CURLOPT_RETURNTRANSFER => true, CURLOPT_ENCODING => "", CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 30, CURLOPT_HTTP_VERSION =>CURL_HTTP_VERSION_1_1, CURLOPT_CUSTOMREQUEST => "GET", CURLOPT_HTTPHEADER => array( "accept: application/json" ), )); $res...