openapi: 3.2.0 info: contact: email: cs@cpanel.net name: WebPros International, LLC url: https://cpanel.net/support/ description: UAPI accesses the cPanel interface's features. Use this API to access and modify cPanel account data and settings. license: name: cPanel License url: https://cpanel.net/legal-notices/ termsOfService: https://cpanel.net/legal-notices/ title: cPanel U Webmail Apps API version: 11.137.9999.106 x-api-evangelist-provenance: 'Harvested verbatim from cPanel''s developer portal on 2026-09-05 via the MCP tool get-full-api-description at https://api.docs.cpanel.net/mcp. ONE mechanical change was made before storage: example values containing PEM private-key or certificate blocks, and AWS-access-key-shaped example strings, were replaced with REDACTED_* placeholders so the file can be stored in a public git repository without tripping secret scanning. No path, operation, parameter, schema or description was altered, added or removed.' servers: - description: A server running cPanel. url: https://{host}:{port}/execute variables: host: default: cpanel-server.tld description: The hostname of a server running cPanel. port: default: '2083' description: The cPanel port. security: - BasicAuth: [] tags: - description: The WebmailApps module for UAPI. name: WebmailApps paths: /WebmailApps/list_webmail_apps: get: x-readonly: true description: 'This function lists the account''s available webmail clients. **Important:** When you disable the Receive Mail role, the system **disables** this function.' operationId: WebmailApps-list_webmail_apps parameters: - description: The webmail theme. in: query name: theme required: false schema: default: the server's default theme example: jupiter type: string responses: '200': content: application/json: schema: properties: apiversion: description: The version of the API. example: 3 type: integer func: description: The name of the method called. example: list_webmail_apps type: string module: description: The name of the module called. example: WebmailApps type: string result: properties: data: items: properties: displayname: description: The webmail client name, as it will display in the interface. example: Roundcube type: string icon: description: An icon file's path, relative to the `/usr/local/cpanel/base/frontend` directory. example: /webmail/jupiter/images/roundcube_logo.png type: string id: description: The webmail client's ID. example: roundcube type: string url: description: The webmail client's URL. example: /cpsess##########/3rdparty/roundcube/index.php format: url-path type: string type: object type: array errors: description: List of errors if the API failed. example: null items: type: string type: - array - 'null' messages: description: List of messages generated by the API. example: null items: type: string type: - array - 'null' metadata: properties: transformed: description: Post-processing may have transformed the data. enum: - 1 example: 1 type: integer status: description: '* `1` - Success. * `0` - Failed. Check the `errors` field for more details.' enum: - 1 - 0 example: 1 type: integer warnings: description: List of warnings generated by the API. Warnings describe non-critical failures or other problematic conditions noted while running a API. example: null items: type: string type: - array - 'null' type: object type: object description: HTTP Request was successful. summary: Return available webmail clients tags: - WebmailApps x-codeSamples: - label: CLI lang: Shell source: "uapi --output=jsonpretty \\\n --user=username \\\n WebmailApps \\\n list_webmail_apps\n" - label: URL lang: HTTP source: https://hostname.example.com:2083/cpsess##########/execute/WebmailApps/list_webmail_apps - label: LiveAPI Perl lang: Perl source: "#--------------------------------------------------------------------------------------\n# Instructions:\n#--------------------------------------------------------------------------------------\n# is the theme assigned to cPanel account.\n# 1) cd /usr/local/cpanel/base/frontend/\n# 2) mkdir api_examples\n# 3) cd api_examples\n# 4) create a file WebmailApps_list_webmail_apps.live.pl and put this code into that file.\n# 5) In your browser login to a cPanel account.\n# 6) Manually change the url from: .../frontend//\n# to .../frontend//api_examples/WebmailApps_list_webmail_apps.live.pl\n#--------------------------------------------------------------------------------------\n\nuse strict;\n\nuse Cpanel::LiveAPI ();\n\nmy $cpanel = Cpanel::LiveAPI->new(); # Connect to cPanel - only do this once.\n\n# Print the header\nprint \"Content-type: text/plain\\r\\n\\r\\n\";\n\n# Call the API\nmy $response = $cpanel->uapi(\n q/WebmailApps/,\n q/list_webmail_apps/\n);\n\n# Handle the response\nif ($response->{cpanelresult}{result}{status}) {\n my $data = $response->{cpanelresult}{result}{data};\n foreach my $item (@{$data}) {\n # Do something with the $item\n }\n\n # So you can see the data shape we print it here.\n print to_json($data);\n}\nelse {\n # Report errors:\n print to_json($response->{cpanelresult}{result}{errors});\n}\n\n# Disconnect from cPanel - only do this once.\n$cpanel->end();\n\n#--------------------------------------------------------------------------------------\n# Helper function to convert a perl object to html printable json\n#--------------------------------------------------------------------------------------\nsub to_json {\n require JSON;\n my $str = JSON->new->pretty->encode($_[0]);\n return $str;\n}\n" - label: LiveAPI PHP lang: PHP source: " is the theme assigned to cPanel account.\n// 1) cd /usr/local/cpanel/base/frontend/\n// 2) mkdir api_examples\n// 3) cd api_examples\n// 4) create a file WebmailApps_list_webmail_apps.live.php and put this code into that file.\n// 5) In your browser login to a cPanel account.\n// 6) Manually change the url from: .../frontend//\n// to .../frontend//api_examples/WebmailApps_list_webmail_apps.live.php\n//--------------------------------------------------------------------------------------\n\n// Instantiate the CPANEL object.\nrequire_once \"/usr/local/cpanel/php/cpanel.php\";\n\n// Print the header\nheader('Content-Type: text/plain');\n\n// Connect to cPanel - only do this once.\n$cpanel = new CPANEL();\n\n// Call the API\n$response = $cpanel->uapi(\n 'WebmailApps',\n 'list_webmail_apps'\n);\n\n// Handle the response\nif ($response['cpanelresult']['result']['status']) {\n $data = $response['cpanelresult']['result']['data'];\n foreach ($data as $item) {\n // Do something with the $item\n }\n\n // So you can see the data shape we print it here.\n print to_json($data);\n}\nelse {\n // Report errors:\n print to_json($response['cpanelresult']['result']['errors']);\n}\n\n// Disconnect from cPanel - only do this once.\n$cpanel->end();\n\n//--------------------------------------------------------------------------------------\n// Helper function to convert a PHP value to html printable json\n//--------------------------------------------------------------------------------------\nfunction to_json($data) {\n return json_encode($data, JSON_PRETTY_PRINT);\n}" x-cpanel-api-version: UAPI x-cpanel-available-version: cPanel 11.48 components: securitySchemes: BasicAuth: scheme: basic type: http externalDocs: url: https://cpanel.net/developers/ x-tagGroups: - name: API Development Tools tags: - API Token Management - Batch - SSE Task Management - URL Parsing - name: Authentication tags: - External Authentication - Two-Factor Settings - name: Backup Information tags: - BackupInfo - BackupInfo Status - name: Block Ip Addresses tags: - Block IP - name: Commerce Integration tags: - Market Integration - SSL Certificates - name: Contact Information tags: - Contact Information - name: cPanel Account tags: - Account Enhancements - Account Information - Account Management - AuditLog - Contact Information - cPanel Features - Disk Quotas - DomainRecommendations - Personalization - Resource Usage and Statistics - Subaccount Management - Team Roles - Team Users - name: cPanel Account Backups tags: - Backup - File Restoration - name: cPanel Plugin Framework tags: - Formbricks - Plugins - name: cPanel Theme Management tags: - Application Information - Brand Management - Branding Files - Browser Cache Management - Language - Theme Settings - name: Directory Management tags: - Directory Indexes - Directory Privacy - Directory Protection - name: DNS tags: - DNS - DNS Information - DNS Security - Dynamic DNS - Email DNS Settings - ZoneEdit - name: Domain tags: - Domain - name: Domain Management tags: - AddonDomain - Direct Link Protection (Hotlink) - Domain - Domain Information - Domain Redirection - DomainLookup - Park - SubDomain - Virtual Host Information - name: Domains tags: - Subdomains - name: Email tags: - Email Accounts - Email Filtering - Email Forwarding - Email Server Information - Email Suspensions - Mail Server Information - Mailbox Management - Mailing Lists - Signing and Encryption (GnuPG Keys) - Spam Filtering (Greylisting) - Spam Management - Spam Prevention (BoxTrapper) - Webmail Applications - Webmail Sessions - name: Extract Information tags: - ExtractInfo - ExtractInfo Status - name: File Manager tags: - Trash - name: Files tags: - FTP Accounts - FTP Server Settings - Image Tools - Jodit - Manage Files - Manage Files - WebDisk Settings - name: GIT Management tags: - Deployment Settings - Repository Management - name: InProductSurvey tags: - InProductSurvey - name: MySQL and MariaDB tags: - Database Information - Database Management - Remote Databases - User Management - name: Notifications tags: - Pushbullet - name: Optional Applications tags: - Antivirus Protection (ClamAV) - Calendar and Contacts (DAV) - Calendar and Contacts Server - WordPress Manager Backups - name: PostgreSQL tags: - PostgreSQL Database Management - PostgreSQL User Management - name: Retrieve bandwidth information tags: - Bandwidth - name: Security tags: - Known SSH Hosts Management - Login Information - name: Server Information tags: - cPanel Server Information - Notifications - Password Strength - SSH - WebPros MCP - WebProsMCP - name: ServiceProxy tags: - ServiceProxy - name: Site Quality Monitoring tags: - SiteQuality - name: SSL Certificates tags: - Auto-generated SSL Certificates - cPanel Account SSL Management - SNI Email Settings - SSL Certificate Management - Verify Domain Ownership - name: Statistics tags: - Domain Statistics - Weblog Settings - name: UserData tags: - UserData - name: Web Server Configuration tags: - EA4 - EasyApache Settings - PHP - name: Web Server Management tags: - Application Manager - ModSecurity - NginxCaching - PHP Settings - Web Apps - name: Website Configuration tags: - Handler Management - Logs - Mime Type Management - Nova - Site Information - Site Installation - Sitejet - WPX