Notify your customers, wherever they are

Knock in-app

Knock comes with a powerful in-app notifications API and pre-built components so you can deliver notification experiences like feeds, toasts, and inboxes inside of your product effortlessly.

SendGrid

SendGrid delivers your transactional and marketing emails through the world's largest cloud-based email delivery platform. Send with confidence.

Postmark

Send transactional and marketing emails and get them to the inbox on time, every time. Postmark is a fast and reliable email delivery service for developers.

AWS SES

Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service that enables developers to send mail from within any application.

Mailjet

Design beautiful responsive emails in a few minutes with Mailjet Email Marketing. Start from scratch or select from a variety of pre-designed templates.

Mailgun

Developers and product teams love using Mailgun to communicate with their users. Based on real customer reviews, G2 Crowd named us the #1 transactional email service.

Mailtrap

Email Delivery Platform for individuals and businesses to test, send and control email infrastructure in one place.

Mailersend

MailerSend is a comprehensive tool for your everyday business: send invoices, delivery updates, forgotten password links in seconds, without thinking about it.

Mandrill

Mandrill is a transactional email API for MailChimp users. It's reliable, powerful, and ideal for sending data driven emails, including targeted e-commerce and personalized one-to-one messages.

Sparkpost

SparkPost is the world's largest and most reliable email sender, delivering nearly 40% of all commercial email.

Resend

Resend is the email platform for developers. It supports sending emails using React, HTML, and plain text.

Twilio

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, video, and email.

Telnyx

Telnyx provides developers access to real-time voice and SMS capabilities via communication API. Get a free testing credit to start building today.

MessageBird

The world's most innovative companies build communication solutions using MessageBird's applications and APIs.

Africa's Talking

Africa's Talking is a Pan African communications and payments solutions provider. With simplified access to telco infrastructure, developers use our powerful SMS, USSD, Voice, Airtime and Payments APIs to bring their ideas to life.

Mailersend

MailerSend’s transactional SMS API enables you to enhance the customer experience by sending high-volume, toll-free SMS using a unique and recognizable phone number.

Vonage

Vonage offers flexible and scalable voice, messaging, video and data capabilities across Unified Communications, Contact Centers and Communications APIs.

Sinch

Connect with customers and make engagement personal with our simple, programmable SMS, voice, video, & verification tools. Find out more information today.

Apple Push (APNS)

Apple Push Notification Service (commonly referred to as APNS) is a platform notification service created by Apple Inc. that enables third party application developers to send notification data to applications installed on Apple devices.

Firebase FCM

Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that lets you reliably send messages at no cost.

Expo

Expo is an open-source platform for making universal native apps for Android, iOS, and the web with JavaScript and React.

SlackKit

Slack is a new way to communicate with your team. It’s faster, better organised and more secure than email.

Microsoft Teams

Sign up to Microsoft Teams for free chat tools for your next group chat or team chat. Go from instant messaging to secure video chat & work remotely.

Discord

Discord is the easiest way to talk over voice, video, and text. Talk, chat, hang out, and stay close with your friends and communities.