This PHP SDK is for generating SendGrid X-SMTPAPI headers. SendGrid is a cloud-based platform for sending and managing email, and generating email analytics. Composer is recommended for installation of the SDK. After installing and configuring the SDK to send email via SMTP, use the provided code snippets to configure headers like categories, substitutions, or filters.
On the Amazon cloud you could create many options for running databases in the cloud. A brief look at "Running databases on AWS" suggests comprehensive cloud as a database service resourcesoffered by Amazon. While Amazon RDS offers you the choice of MySQL, Oracle or SQL Server, Amazon DynamoDB offers you NoSQL storage while Amazon SimpleDB offers schemaless database.
SendGrid announced they are sunsetting two of their API endpoints this month. In an email sent to their API consumers, Sendgrid stated that all API calls must now use a new base URL. They also directed developers to reference SendGrid’s API documentation or contact them through their attached email.