Twilio SendGrid Email API Alternatives (January 2026)

Start sending transactional and marketing email in minutes. Easily scale to enterprise-volume with Twilio SendGrid’s Email API. Try it free!

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1.
Marketing Campaigns | Twilio
https://www.twili
.com/en-us/sendgrid/marketing-campaigns/

Marketing Campaigns makes it easy to design, test, optimize and scale email campaigns. Reach the inbox with Twilio SendGrid. Try it free!

2.
Communication APIs for SMS, Voice, Email & Authentication | Twilio
https://www.twili
.com/

Connect with customers on their preferred channels—anywhere in the world. Quickly integrate powerful communication APIs to start building solutions for SMS and WhatsApp messaging, voice, and email.

3.
Transactional Email API Service For Developers | Mailgun
https://www.mailgu
.com/

Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind. Learn more today!

4.
Mailchimp Transactional Email | Mailchimp Developer
https://mailchim
.com/developer/transactional/

Learn how to use Mailchimp Transactional Email to send targeted and event driven messages to anyone, fast—with best-in-class deliverability.

5.
Email Marketing Software. Mail Delivery API | Elastic Email
https://elasticemai
.com/

Elastic Email is a marketing platform, built on the most cost-effective delivery engine. Join tens of thousands of companies, which already send their emails!

6.
Email Sending Service - MailerSend
https://www.mailersen
.com/

Start sending emails with our top-rated service. Sign up for free now to streamline your email sending process with API or SMTP.

7.
SendPost Transactional Email API & SMTP Relay
https://app.sendpos
.io/

Email API and SMTP relay to not just send and measure email sending, but also alert and optimise. We provide you with tools, expertise and support needed to reliably deliver emails to your customers inboxes on time, every time.

8.
Verify API | Twilio
https://www.twili
.com/de-de/verify/

Validate users across SMS and preferred channels at scale with the Twilio Verify API, a turnkey, passwordless authentication solution that enables seamless and secure user onboarding, reduces fraud, and optimizes delivery rates without the heavy lifting. Twilio handles all your connectivity, channels, OTP generation, and more—so you don’t have to.