Transactional API Introduction Core Concepts Capabilities Privacy, GDPR and CASL Getting Started Getting your Transactional API Key The Basics - Sending API requests API Reference Provisioning End-User Licenses Sending Emails Resending Emails Analytics and Search Deleting Data (GDPR Right to be forgotten) Email Authentication (SPF and DKIM) DKIM and SPF Authorization and Validation View Details Simple API Introduction Example: Building a PHP Plugin Development Outline Plugin Building in Detail Sample PHP Code Simple API Reference Adding a Subscriber Unsubscribing a Reader Setting Tags and Custom Fields Add To or Delete From a Group Email Address Validation API View Details REST API Introduction Usage Considerations Privacy and Security Accessing the API Example Usage REST API XML Supported Methods (HTTP Verbs) Example Interactions Testing API Reference Subscribers Subscriptions Lists (Syndications) Captcha Image Verification Users Funnels (Autoresponders) Summary Funnel Sequence Management Time Zones Sending Email Campaigns Mailing Templates and Mail Merge Shortcodes Reports and Analytics Mailing Metrics Triggers RSS Feeds Custom Fields and Tags Dual Opt-In Activation Registration Mailing Campaigns Groups and Suppression Lists Subscriber Import Bulk Subscriber Management Support View Details