SendGrid is an email API and marketing campaigns platform for email delivery and automation.

Mailjet is an email marketing software and API solution for teams, enabling them to design, deliver, and automate marketing and transactional emails.

Mailgun is a transactional email API service for developers to send, receive, and track emails.

Brevo (formerly Newsletter2go) is an email marketing and marketing automation platform used by businesses for sending newsletters, transactional emails, and managing customer journeys.

Mailtrap is an email delivery platform for product companies with high sending volumes.

Sinch is a CPaaS company providing SMS, voice, email, video, and verification APIs for businesses.

Nylas is a communication software company that provides Email API and developer tools.

Elastic Email is an email marketing and delivery platform for businesses and is used by companies.

Paubox provides AI-powered, HIPAA compliant email security and encryption solutions for healthcare organizations to prevent phishing and protect PHI.

turboSMTP is an SMTP service provider for transactional and marketing emails.

Ongage is an email marketing platform designed for data-driven growth, offering advanced personalization, segmentation, and superior email deliverability.

MailSlurp provides disposable email accounts, phone numbers, and APIs for developers to test, build, and automate messaging workflows and OTP verifications.

Taximail is an email marketing and automation platform offering drag-and-drop tools, AI content, bulk SMS, and BizChat integration for growing businesses.

Tarvent is an email marketing and automation platform for businesses and marketers.

AotSend is a Managed Transactional Email API service offering high delivery rates and security features for developers sending OTP, verification, and transactional emails.

MSG91 is the best cloud communication platform for SMS API and is used by 30,000+ global businesses.

Pepipost is the best Email API for developers and marketers and is used by businesses looking for high deliverability and real-time analytics.

SparkPost is the best email API service for email delivery and is used by businesses to optimize their email campaigns.

EmailJS is the best email service for sending emails directly from your code and is used by developers and businesses worldwide.

Bird is the best email API service for email delivery and is used by businesses to optimize their email campaigns.