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Twilio SendGrid Email API Email Deliverability Software logo
Twilio SendGrid Email API
4.1

( 348 )

Last updated: August 15, 2025
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Twilio SendGrid Email API Reviews & Product Details

Twilio SendGrid Email API Overview
What is Twilio SendGrid Email API?
Last verified:

Twilio SendGrid is a trusted email delivery platform that lets users create and send emails. The platform ensures emails are engaging and easy to create with tools like drag-and-drop builders. It also features a lot of automation tools and comprehensive analytics all to help improve open rates, engagement, and conversions.

Company Twilio Inc.
Year founded 2008
Company size 1001-5000 employees
Headquarters San Francisco, California, United States
Social Media
Managed by:
VR
Vimal Raj
Founder & CEO
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Ask Questions about Twilio SendGrid Email API
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What are the pros and cons of Twilio SendGrid Email API?
Twilio SendGrid Email API Product Details
Capabilities
API
CLI
Segment
Small Business
Mid Market
Enterprise
Deployment Cloud / SaaS / Web-Based
Support Email/Help Desk
Training Documentation
Languages English
Twilio SendGrid Email API Features
A/B Testing
Automated Testing
Blacklist Monitoring
Bounce Management
Campaign Performance Analytics
Content Analysis
Customizable Reports
Dedicated IP Address
Deliverability Consulting
Deliverability Reporting
Domain Reputation Monitoring
Email Authentication (DKIM, SPF, DMARC)
Email Preview
Email Queue Management
Email Syntax Validation
Email Verification
Engagement Tracking
Feedback Loop Handling
Geolocation Tracking
IP Reputation Monitoring
Inbox Placement Testing
Integration with ESPs (Email Service Providers)
List Cleaning
Real-Time Analytics
SMTP Relay
Segmentation
Sender Score Analysis
Spam Testing
Transactional Email
Whitelist Management
Twilio SendGrid Email API Media
Twilio SendGrid Email API video thumbnail
Twilio SendGrid Email API - Twilio SendGrid Email API Homepage
Twilio SendGrid Email API Screenshots
Twilio SendGrid Email API Homepage
Twilio SendGrid Email API Homepage
Disclaimer
Our research is curated from diverse authoritative sources and meant to offer general advice. We don’t guarantee that our suggestions will work best for each use-case, so consider your unique needs when choosing products and services. Feel free to share your feedback.
Last updated: April 09, 2026
Twilio SendGrid Email API Email Deliverability Software logo
348 Twilio SendGrid Email API Reviews
4.1 out of 5
Small Business (50 or fewer emp.)
Nov 19, 2018
 Source
Overall Rating:
5.0
Alex G. avatar
Alex G.
Sales
Share
"Incredibly efficient"
What do you like best about Twilio SendGrid Email API?

I love the fact that i can track what clients have received my emails and which haven't great way to help clean out my database. i also like how i can attach this to my current database and everyone can benefit from the services provided by sendgrid without having to access my account.

What do you dislike about Twilio SendGrid Email API?

to this point i would like to see a more user friendly way to make campaigns. i use mailchimp for my campaigns but i would love it if they could come out of sendgrid.

What problems is Twilio SendGrid Email API solving and how is that benefiting you?

no one needs to log in to my sendgrid in order to be able to use it with the API we have applied to our database. a lot of the other problems is the time of delivery, compared to our old service provider, send grid has the fastest and more email to go out at once.

Mid Market (51-1000 emp.)
Nov 19, 2018
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"SendGrid Just Works"
What do you like best about Twilio SendGrid Email API?

Ease of use, great documentation, great deliverability

What do you dislike about Twilio SendGrid Email API?

No way to auto-purge suppression lists other than bounces.

What problems is Twilio SendGrid Email API solving and how is that benefiting you?

Integrating our CRM with Sendgrid was easy.

Small Business (50 or fewer emp.)
Nov 19, 2018
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Excellent customer support for all levels of marketers"
What do you like best about Twilio SendGrid Email API?

Easy to reach assistance, patient and problem solving support staff. User friendly UI.

What do you dislike about Twilio SendGrid Email API?

I am not a big fan of the knowledge base library, here or really anywhere. I much more prefer one on one assistance, whether via chat, phone or email (email support least preferred).

What problems is Twilio SendGrid Email API solving and how is that benefiting you?

The ability to designate email sent from our customers account. The benefits that I have realized are that I can monitor the production of our customers and through the BCC use of our product to their customers.

Small Business (50 or fewer emp.)
Nov 19, 2018
 Source
Overall Rating:
5.0
JP
Jeremy P.
Senior Dev Ops Engineer
Share
"SendGrid Works"
What do you like best about Twilio SendGrid Email API?

SendGrid does everything I want and more. And its API is very straightforward.

What do you dislike about Twilio SendGrid Email API?

There isn't much to dislike. I can't think of anything right now.

What problems is Twilio SendGrid Email API solving and how is that benefiting you?

We send all of our notifications via SendGrid emails. The transactional templating features are great!

Small Business (50 or fewer emp.)
Nov 19, 2018
 Source
Overall Rating:
5.0
WG
William G.
Ai Evangelist
Share
"Reliable, flexible, cost-effective email delivery. "
What do you like best about Twilio SendGrid Email API?

Developer-friendly. Free-tier - great for getting staging sites up. Integrates with all my production sites - wordpress sites via a third party SMTP plugin (post SMTP) and my web-apps on heroku.

What do you dislike about Twilio SendGrid Email API?

Official SendGrid wordpress plugin did not meet my needs and has not been updated in over 9 months. Documentation on how to integrate with third-party plugins was lacking on SendGrid's site.

What problems is Twilio SendGrid Email API solving and how is that benefiting you?

Improving tracking and deliverability of customer email notifications - reminders, order confirmations, newsletters, etc. Allows us to improve and track email delivery (99+%) and easily identify any bad email addresses.

Mid Market (51-1000 emp.)
Nov 19, 2018
 Source
Overall Rating:
5.0
PT
Paul T.
It Systems Administrator
Share
"Consitent, Reliable Service with good support"
What do you like best about Twilio SendGrid Email API?

Sendgrid does exactly what it says it will do. The user interface is user friendly and is accomodating even with a large number of features/services available.

What do you dislike about Twilio SendGrid Email API?

Nothing. We are very happy with this service.

What problems is Twilio SendGrid Email API solving and how is that benefiting you?

We went to sendgrid after having deliverability problems with our email. Along with providing a great service, the support materials are good and allowed us to do a lot of learning on our own. Those times we needed help we were able to get great support, both online and via phone. I also like the flexibility of the system and the features they provide. We also looked at Mailgun but the feature set for Sendgrid was better for us.

Mid Market (51-1000 emp.)
Nov 19, 2018
 Source
Overall Rating:
5.0
AK
Avi K.
Full Stack Developer
Share
"SendGrid is flexible, performant, and easy to use"
What do you like best about Twilio SendGrid Email API?

SendGrid has allowed us to easily create complex campaigns from within our system without worrying about actually sending the emails themselves, we simply pass them off to SendGrid and can rely on them getting delivered.

What do you dislike about Twilio SendGrid Email API?

Nothing major. I would like simpler marketing tool pricing that would allow experimental campaigns to be run free for new users.

What problems is Twilio SendGrid Email API solving and how is that benefiting you?

We're not an email focused company and used to have deliverability issues that we couldn't afford to put the resources towards addressing. SendGrid's easy to use tools helped us tackle these easily and effectively.

Small Business (50 or fewer emp.)
Nov 19, 2018
 Source
Overall Rating:
5.0
MF
Mark F.
Ceo & Founder
Share
"Trusted part of every project"
What do you like best about Twilio SendGrid Email API?

I've been with Sendgrid for quite a few years. Always dependable and does everything I want.

What do you dislike about Twilio SendGrid Email API?

For a small business like myself, using Sendgrid with a dedicated IP (to build a trustworthy delivery history) and more than 30 days the service is expensive given the volume of email I send. That said, it's important enough that I don't skimp and pay what I have to.

What problems is Twilio SendGrid Email API solving and how is that benefiting you?

Dependable delivery of email via an API used in all my projects.

Small Business (50 or fewer emp.)
Nov 19, 2018
 Source
Overall Rating:
5.0
PR
Phillip R.
Managing Director
Share
"I use SendGrid to send out my email campaigns and measure success on my email broadcasts."
What do you like best about Twilio SendGrid Email API?

Easy tracking of success, quick feedback on activity, prevents most Spam alerts

What do you dislike about Twilio SendGrid Email API?

Only see a few days of activity, would like to see more

What problems is Twilio SendGrid Email API solving and how is that benefiting you?

reduces spam issues on delivery, tracking of clicks and such,

Enterprise (> 1000 emp.)
Nov 19, 2018
 Source
Overall Rating:
5.0
JM
Jose M.
Chief Technology Officer
Share
"Managing email notifications in a patient portal."
What do you like best about Twilio SendGrid Email API?

Our favorite feature is the ability to setup a new customer in a minimum period of time, knowing that we don't have to deal ourselves with deriverability, reputation management, etc. Also important is to track whether the email was successfully delivered, rejected, delayed, marked as spam, etc.

What do you dislike about Twilio SendGrid Email API?

It used to be a problem the restriction to create new sub-users. We had several incidents where our customers were waiting to be able to use our program because we reached the amount of sub-users that Sendgrid will allow us to have. It would take from a couple of hours, up to an entire day for us to solve that problem. Our limit is set to a higher value now, so we haven't had that problem in a while.

What problems is Twilio SendGrid Email API solving and how is that benefiting you?

We allow our customers to send email to their customers. We don't want that a rogue customer can affect the operation of other customers. We started with our own SMTP server, but having to maintain it was a resource drag that was not worth the money we could save by handling email ourselves.