The EmailDirect PHP SDK by CriticalTool allows to access the API to integrate email marketing features into web services. Resources include access with Api Key and requests & responses in JSON format. If code is correct, developer should be able to interact with a database.
LaunchBit, an email ad network, has announced a text ad API. Whether email publishers are blasting status updates, announcements or other news, the LaunchBit API will allow advertisements within the email to make API calls to data relevant to the ad. Monetizing websites with Ads has long been sound practice; however, monetizing emails is somewhat of an untapped market. With easy integration through an API, LaunchBit intends to take advantage of this underdeveloped market.
SendGrid announced its latest endpoint for its Web API: v3/mail/send. The endpoint rounds out the v3 release that began last year. With the new send endpoint, SendGrid has realized its goal of complete API management via API. All of the v2 functionality remains available with additional features.