Twilio SendGrid's cloud-based email infrastructure relieves businesses of the cost and complexity of maintaining custom email systems. Twilio SendGrid provides reliable delivery, scalability & real-time analytics along with flexible API's. | Twilio offers developers a powerful API for phone services to make and receive phone calls, and send and receive text messages. Their product allows programmers to more easily integrate various communication methods into their software and programs. |
Open Tracking;Click Tracking;Unsubscribe Tracking;SMTP Relay;SMTP API;Web API;DKIM;SPF;Reputation Monitoring;ISP Monitoring;Domain Level Load Balancing;ISP Deliverability Outreach;Return Path Certified Partner;Support via Phone, Chat, Email, Online Support Portal | Phone- Phone Numbers API;Phone- Convert Text to Speech and Play Audio;Phone- Record Calls and Store Them;Phone- Create Conferences;Phone- API Queueing;Phone- Call Queues;Phone- Convert Speech to Text;Phone- Usage API;Phone- Status Callbacks and Logs;Phone- Global Reach;SMS- Supports Unicode;SMS- Message Queueing;SMS- Realtime API;SMS- Global Reach;SMS- Status Callbacks and Logs;SMS- Usage metering & API triggers;SMS- Voice Enabled Numbers;SMS- Short Codes;Two-factor authentication;Call tracking;Voice broadcasting;Cloud IVR;Mobile app distribution |
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Stacks 10.8K | Stacks 11.5K |
Followers 5.7K | Followers 8.8K |
Votes 720 | Votes 521 |
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Integrations | |

Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.
Mailgun is a set of powerful APIs that allow you to send, receive, track and store email effortlessly.

Amazon SES eliminates the complexity and expense of building an in-house email solution or licensing, installing, and operating a third-party email service. The service integrates with other AWS services, making it easy to send emails from applications being hosted on services such as Amazon EC2.

Send email from your app with a simple API call, Sendwithus manages the rest. Templates, testing, data management, segments, and analytics are all accessible through a friendly dashboard.

Nexmo connects your apps directly to carriers around the world. Integrate SMS and Voice messages using one simple API. Use Nexmo Verity to register users, verify transactions, and implement two factor authentication.

Postmark removes the headaches of delivering and parsing email for webapps with minimal setup time and zero maintenance.

Plivo provides basic building block APIs in the form of Plivo XML and HTTP API, to create telephony apps, so developers can completely do away with learning the nitty-gritty of the telephony plumbing.

Mailjet is a real-time Cloud Emailing platform: scalable, agile and flexible. Our unique algorithm boosts your deliverability and our platform provides in-depth insight so you can optimize more than ever.

SparkPost is the world’s #1 email delivery provider. We empower companies with actionable, real-time data to send relevant email to their customers which increases engagement and both top and bottom line revenue.

Agora.io provides building blocks for you to add real-time voice and video communications through a simple and powerful SDK. You can integrate the Agora SDK to enable real-time communications in your own application quickly.