Best Marketing Software for OpenTransact

Use the language you already love to prototype ideas quickly, develop production-ready communications applications, and run serverless applications on one API-powered platform. Twilio is a single fully-programmable platform with flexible APIs for any channel, built-in intelligence, and global infrastructure to support you at scale. Quickly integrate powerful APIs to start building solutions for SMS and WhatsApp messaging, voice, video, and email. Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Consult our community of over 9 million developers for guidance and inspiration on your next project. Sign up and start building today.

Partner with the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. The Twilio SendGrid Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale, while maximizing inbox placement and protecting your reputation as a trusted sender. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.

Customer.io allows you to send targeted, automated emails, push notifications and SMS messages to engage and keep your audience. Customer.io allows you to send targeted, automated emails, push notifications and SMS messages to your audience. Harnessing real-time behavioral data and advanced segmentation across web and mobile channels, Customer.io empowers marketers to send contextually-relevant communication that creates a great customer experience leading to retention and conversion. Customer.io transforms marketing for high-growth businesses like Segment, Codecademy, and Segment. Customer.io was founded in 2012 and is based in Portland, Oregon. It has a team that works in North America, Europe and Asia.

Apptivo CRM Software helps you attract, engage, retain, and delight more customers. No more juggling among multiple apps. You can manage your customers, finances, and support from your pocket. This will increase your productivity and improve your client relationships. All the following apps are available in one CRM: Invoices and Projects, Work Orders. Orders, Estimates. Help Desk. Expenses reports. An easy online CRM system that stores contacts, reminders and files. You can add more apps to the App Store if your business expands and you require them. You can manage your sales pipeline, keep track of employee activities, close more deals, and monitor employee activity. Track your sales and convert them into invoices quickly to get paid!

Lob is the only direct mail automation platform for the digital age. Lob's platform automates the direct mail execution process for enterprises at any scale - from creation, printing, postage, delivery, and sustainability with end-to-end analytics and campaign attribution. Over 11,000 businesses trust Lob to transform their direct mail into intelligent mail.