Best API Management Software for Linux

Remotely send your documents directly to the United States Postal Service through our cloud-based mailroom. DocuSend works with any accounting, billing, or CRM software that produces PDF documents containing a valid mailing address. Users can upload directly, or developers can integrate our REST API to offer a "Send Mail" button in their software, either as a reseller or for internal direct connectivity. There are enormous economic advantages for any business or organization that needs to safely print and mail documents on demand. We also offer an automated email service called DocuLink that lets you know which users open the document links sent and makes it easy to follow up with a hard copy if needed. We are sure that one of our features will improve your mailing experience: DocuSend, DocuLink or the Print-To-Mail Rest API will streamline the manual and time-consuming print, mail and email process.

EnableX makes integrating real-time communications into applications and workflows a lot easier. Designed and developed for Service Providers, Systems Integrators, and Developers, it provides a robust, scalable and secure communications platform without the complexity of building and maintaining the network infrastructure. By simply leveraging on EnableX comprehensive sets of programmable APIs and SDKs, developers can rapidly customize and embed all or part of the communication functions – voice, video, SMS and chat – right into existing applications, workflows and systems. Together with the Virtual Number services and advanced features such as AI and NLP, businesses can reach customers globally with an outstanding communication experience.

Directus is an Open Data Platform for managing the content of any SQL database. It provides a powerful API layer for developers and an intuitive App for non-technical users. Written entirely in JavaScript (primarily Node.js and Vue.js), Directus is completely open-source, modular, and extensible, allowing it to be fully tailored to your exact project needs. With Directus Cloud, we've taken our open-source spirit to the cloud by offering Directus Community Cloud, a completely free tier - without quotas or limitations. It's ideal for hobby projects and demos, and when you're ready for production, Standard Cloud has the power and infrastructure options you need. Our pricing is usage-based, which means you only pay for what you use. Use Directus on your next headless cms, internal tool, or SaaS project, or use our Insights for better data management and analytics. With Directus, you're only limited by your imagination.

Backendless is a Visual App Development Platform (VADP) that combines API, user, and database management functionality with a user-friendly, web-based interface and UI Builder. Backendless offers the ability to send emails and push notifications and supports real-time chat and geolocation-based functionality. A Backendless application can be customized with manually written code or using our Codeless logic builder. The platform can be hosted on our cloud servers or installed and managed on your own private servers. The Backendless UI Builder allows you to build fully functional web and mobile apps. You can use the UI Builder, or Backendless works seamlessly with virtually any client-side environment, automatically morphing data to the proper format for the frontend operating system. A Backendless database can also be connected to external databases, allowing you to maintain existing data sources while also being able to manage those databases using Backendless' intuitive interface.