Question: I need a notification API that can send messages to multiple channels like email, SMS, and push notifications with a single integration.

If you need a notification API that can reach people through email, SMS and push notifications with a single integration, Courier is a good option. It lets developers reach more than 50 providers with a single API, supports omnichannel templates, and offers unified analytics and logging. With SDKs for several programming languages and customizable UI components, it's geared to help companies modernize their notifications and engage customers better without a lot of programming work.

Another option is Contiguity, an all-purpose communications platform that can handle text, email, call and verify messages with a single API. It's designed to scale and be reliable, so it can handle startups and big businesses. Contiguity's pricing is transparent, with a free tier and pay-as-you-go pricing, so it's a good option for developers and businesses trying to simplify their communications.

If you want a more AI-infused option, FlowUp takes an omnichannel approach to lead follow-ups and customer interactions. It automates and optimizes personalized interactions across SMS, email and voice announcements. FlowUp integrates with many CRM systems and offers 24/6 customer support, so teams can focus on high-value work and improve productivity and conversion rates.

If you also need a platform for managing multiple communication channels and improving customer satisfaction, Simpu is another good option. It unifies channels like WhatsApp, Instagram and Gmail into a single shared inbox, with chatbots for automation, live chat for immediate interaction and detailed analytics. Simpu supports team collaboration and targeted campaigns, so it's good for small and large businesses.