{"id":43990,"date":"2025-09-11T14:14:00","date_gmt":"2025-09-11T14:14:00","guid":{"rendered":"https:\/\/www.gsma.com\/solutions-and-impact\/gsma-open-gateway\/?page_id=43990"},"modified":"2025-09-11T14:49:59","modified_gmt":"2025-09-11T14:49:59","slug":"gsma-developer-sandbox-registration","status":"publish","type":"page","link":"https:\/\/www.gsma.com\/solutions-and-impact\/gsma-open-gateway\/gsma-developer-sandbox-registration\/","title":{"rendered":"GSMA Developer Sandbox Registration"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-gsma-developer-sandbox-registration\">GSMA Developer Sandbox Registration<\/h2>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>GSMA Developer Sandbox<\/strong> is a free playground designed to help developers explore and test Open Gateway APIs quickly and safely. With real-world auth flows and spec-compliant mock APIs, you can experiment, prototype, and integrate without the complexity of live operator networks.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key features:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Realistic hands-on experience<\/strong> with OpenID Connect \/ OAuth2 authentication and token flows<\/li>\n\n\n\n<li><strong>CAMARA-compliant certified mock APIs<\/strong> that accept and respond in spec-compliant formats<\/li>\n\n\n\n<li><strong>Fast start-up<\/strong> \u2013 lightweight registration and no heavy onboarding, so you can start coding in minutes<\/li>\n\n\n\n<li><strong>Safe experimentation<\/strong> without the need for access to live operator networks<\/li>\n\n\n\n<li><strong>Seamless integration<\/strong> into apps and prototypes, accelerating development and reducing integration risk<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Register your interest today for early access to the GSMA Developer Sandbox and to join our GSMA Open Gateway Community. Start building with Open Gateway APIs and turn your ideas into reality.<\/strong><\/p>\n\n\n<style>.wForm form{text-align: left;}<\/style><!-- FORM: HEAD SECTION -->\n    <meta http-equiv=\"Content-Type\" content=\"text\/html; charset=utf-8\" \/>\n    <meta name=\"referrer\" content=\"no-referrer-when-downgrade\">\n    <!-- THIS SCRIPT NEEDS TO BE LOADED FIRST BEFORE wforms.js -->\n    <script type=\"text\/javascript\" data-for=\"FA__DOMContentLoadedEventDispatch\" src=\"https:\/\/gsma.tfaforms.net\/js\/FA__DOMContentLoadedEventDispatcher.js\" defer><\/script>\n        <script type=\"text\/javascript\">\n        document.addEventListener(\"FA__DOMContentLoaded\", function(){\n            const FORM_TIME_START = Math.floor((new Date).getTime()\/1000);\n            let formElement = document.getElementById(\"tfa_0\");\n            if (null === formElement) {\n                formElement = document.getElementById(\"0\");\n            }\n            let appendJsTimerElement = function(){\n                let formTimeDiff = Math.floor((new Date).getTime()\/1000) - FORM_TIME_START;\n                let cumulatedTimeElement = document.getElementById(\"tfa_dbCumulatedTime\");\n                if (null !== cumulatedTimeElement) {\n                    let cumulatedTime = parseInt(cumulatedTimeElement.value);\n                    if (null !== cumulatedTime && cumulatedTime > 0) {\n                        formTimeDiff += cumulatedTime;\n                    }\n                }\n                let jsTimeInput = document.createElement(\"input\");\n                jsTimeInput.setAttribute(\"type\", \"hidden\");\n                jsTimeInput.setAttribute(\"value\", formTimeDiff.toString());\n                jsTimeInput.setAttribute(\"name\", \"tfa_dbElapsedJsTime\");\n                jsTimeInput.setAttribute(\"id\", \"tfa_dbElapsedJsTime\");\n                jsTimeInput.setAttribute(\"autocomplete\", \"off\");\n                if (null !== formElement) {\n                    formElement.appendChild(jsTimeInput);\n                }\n            };\n            if (null !== formElement) {\n                if(formElement.addEventListener){\n                    formElement.addEventListener('submit', appendJsTimerElement, false);\n                } else if(formElement.attachEvent){\n                    formElement.attachEvent('onsubmit', appendJsTimerElement);\n                }\n            }\n        });\n    <\/script>\n\n    <link href=\"https:\/\/gsma.tfaforms.net\/dist\/form-builder\/5.0.0\/wforms-layout.css?v=1781146841\" rel=\"stylesheet\" type=\"text\/css\" \/>\n\n    <link href=\"https:\/\/gsma.tfaforms.net\/uploads\/themes\/theme-34.css\" rel=\"stylesheet\" type=\"text\/css\" \/>\n    <link href=\"https:\/\/gsma.tfaforms.net\/dist\/form-builder\/5.0.0\/wforms-jsonly.css?v=1781146841\" rel=\"alternate stylesheet\" title=\"This stylesheet activated by javascript\" type=\"text\/css\" \/>\n    <script type=\"text\/javascript\" src=\"https:\/\/gsma.tfaforms.net\/wForms\/3.11\/js\/wforms.js?v=1781146841\"><\/script>\n    <script type=\"text\/javascript\" src=\"https:\/\/gsma.tfaforms.net\/js\/wforms_session_errors_aria.js?v=1781146841\" defer><\/script>\n    <script type=\"text\/javascript\">\n        if(wFORMS.behaviors.prefill) wFORMS.behaviors.prefill.skip = true;\n    <\/script>\n    <script type=\"text\/javascript\" src=\"https:\/\/gsma.tfaforms.net\/wForms\/3.11\/js\/localization-en_GB.js?v=1781146841\"><\/script>\n<link href=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/font-awesome\/4.4.0\/css\/font-awesome.min.css\" rel=\"stylesheet\" type=\"text\/css\" \/>\n\n<!-- FORM: BODY SECTION -->\n<div class=\"wFormContainer\" >\n    <div class=\"wFormHeader\"><\/div>\n            <div class=\"wForm\">\n          <h3 class=\"wFormTitle\"><span data-testid=\"unavailable-form-title\"><\/span><\/h3>\n\n          <div class=\"htmlSection\" id=\"tfa_3\"><div class=\"htmlContent\" id=\"tfa_3-HTML\">\n          Sorry, this form is not available anymore.          <\/div><\/div>\n        <\/div>\n          <p class=\"supportInfo\" >\n      <\/p>\n <\/div>\n\n<script\n    id=\"analytics-collector-script\"\n    type=\"text\/javascript\"\n    src=\"https:\/\/gsma.tfaforms.net\/dist\/analytics\/data-collector.f9f54c12ade21135b7c2.js\"\n    data-customer-id=\"2273\"\n    data-endpoint=\"https:\/\/analytics.formassembly.com\/v1\/traces\"\n><\/script>\n\n\n","protected":false},"excerpt":{"rendered":"<p>GSMA Developer Sandbox Registration The GSMA Developer Sandbox is a free playground designed to help developers explore and test Open Gateway APIs quickly and safely. With real-world auth flows and spec-compliant mock APIs, you can experiment, prototype, and integrate without the complexity of live operator networks. Key features: Register your interest today for early access [&hellip;]<\/p>\n","protected":false},"author":31,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_oasis_is_in_workflow":0,"_oasis_original":0,"_oasis_task_priority":"2normal","footnotes":""},"tags":[],"class_list":["post-43990","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.8 (Yoast SEO v25.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GSMA Developer Sandbox Registration - Open Gateway<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.gsma.com\/solutions-and-impact\/gsma-open-gateway\/gsma-developer-sandbox-registration\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GSMA Developer Sandbox Registration\" \/>\n<meta property=\"og:description\" content=\"GSMA Developer Sandbox Registration The GSMA Developer Sandbox is a free playground designed to help developers explore and test Open Gateway APIs quickly and safely. With real-world auth flows and spec-compliant mock APIs, you can experiment, prototype, and integrate without the complexity of live operator networks. Key features: Register your interest today for early access [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gsma.com\/solutions-and-impact\/gsma-open-gateway\/gsma-developer-sandbox-registration\/\" \/>\n<meta property=\"og:site_name\" content=\"Open Gateway\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/MobileWorldLive\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-11T14:49:59+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@mobileworldlive\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"GSMA Developer Sandbox Registration - Open Gateway","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.gsma.com\/solutions-and-impact\/gsma-open-gateway\/gsma-developer-sandbox-registration\/","og_locale":"en_US","og_type":"article","og_title":"GSMA Developer Sandbox Registration","og_description":"GSMA Developer Sandbox Registration The GSMA Developer Sandbox is a free playground designed to help developers explore and test Open Gateway APIs quickly and safely. 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