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Customer Engagement Software with API (2026) - Page 4

Last updated: April 2026

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484 software options

Customer.io logo

Transforms data into tailored customer journeys.

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Customer.io is a data-driven customer engagement platform enabling businesses to create personalized journeys across channels. It features a visual workflow builder for automating messages, omnichannel support for email, SMS, push, and in-app communications, and robust data integration. Customer.io uses first-party data and AI insights to deliver targeted messaging while ensuring compliance with GDPR, HIPAA, and SOC 2 Type II standards.

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Faveo Helpdesk logo

Faveo Helpdesk helps simplify the customer support process

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Faveo Helpdesk has served various clients across the globe to track and manage customer support. It helps your team stay organized. Faveo is integrated with email, phone, chat, social media (Facebook, Twitter), and many third-party applications. It is easy to install, easy to use, and cost-effective.

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Nextiva Contact Center logo
Category Leaders

Omni-Channel Customer Relationship Management

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Nextiva is transforming the way businesses communicate. Nextiva is a communications platform providing businesses with big-business phone features at a small-business price and it offers ease of use, manageability, scalability, reliability, and enterprise-class functionality.

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SurveyLab logo

Survey software and questionnaire tool

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SurveyLab is professional online survey software for any size of business, non-government organizations and professionals. SurveyLab is an online survey tool that facilitates custom survey creation, automates the response collection process, and provides real-time reporting and analytics.

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SurveySparrow logo

Software for creating and managing feedback and surveys

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SurveySparrow lets you turn surveys into conversations. With a conversational interface, SurveySparrow enables users to create and share highly engaging, mobile-first surveys that offer a chat-like experience.

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Oktopost logo

We make it measurable

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Oktopost is the only social media management platform architected for B2B. Oktopost enables marketers to manage social content at scale, amplify reach, and integrate social with a marketing and sales stack.

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VideoAsk logo

Get personal with face-to-face interactions: at scale

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VideoAsk lets you have one-to-one, asynchronous conversations with customers. It’s the perfect way to put a face to your name, build trust and forge personal connections, at scale.

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Skalin logo

Built for SaaS Vendors who want to scale faster.

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Skalin calculates your customer health score and alerts you as needed. We help your team being more proactive, save time, and generate more revenue.

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Kustomer logo
Category Leaders

Modern Customer Service Software For Customer-First Brands

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Kustomer is the omnichannel customer management platform focused on delivering standout experiences - not resolving tickets.

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Emma by Marigold logo

Multi-channel marketing that works for you.

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Emma by Marigold is an email marketing platform which focuses on segmentation, automation, and an easy-to-use email builder for teams of all sizes to leverage their customer data, increase engagement, and drive more revenue from email. Users can create and collaborate on email campaign content.

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Whatfix logo

Accelerate Digital Adoption

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Whatfix's Customer Engagement solution uses contextual in-app help and interactive guides to engage users in a targeted manner to drive retention and growth

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Upnify CRM logo

Web-based customer relationship management (CRM) solution

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Upnify CRM is a customer relationship management solution that allows business owners to keep track of their contacts, maximize business opportunities, and make their conversations more productive. The software supports managers in all phases of the sales process, from the beginning to the end.

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Delighted logo

Cloud-based customer and employee experience platform

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Delighted is a cloud-based customer feedback collection system that uses single question surveys across multiple channels including email, SMS, web link and website integration to gather and analyse customer, employee, partner and vendor experience insights, while monitoring NPS scores in real-time

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Loyal Zoo logo

Digital loyalty card service for SME retailers and eateries

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Engage one -time customers with a loyalty program that will grab their attention. Loyalzoo enables no hassle loyalty that helps to keep customers forever

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Giftbit logo

Digital rewards for seamless incentive programs

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Use Giftbit to buy, send & track digital gift cards to engage & reward your customers. Send individually or in bulk with our simple web-app. Prefer to automate? Integrate directly with our API or trigger via Zapier with the apps you already use!

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servis.ai logo

Powerful, easy-to-use BOMP your whole team will love.

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FreeAgent is a fully-featured Customer Service platform that effectively enables your team to resolve issues and reduce the need for future inquiries.

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Zoho SalesIQ logo

Discover the future of customer engagement

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Live chat software to increase sales and improve customer service.
Engage in real time and send targeted messages to your prospects and customers.

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Mobile Text Alerts logo

#1 SMS Marketing Service for Businesses

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Mobile Text Alerts helps businesses grow their sales through SMS marketing. Our online dashboard and mobile app allows users to send and receive mass text messages, manage subscribers, segment lists, engage in 2-way conversations, connect integrations and interact with messaging analytics.

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Canny logo

Customer feedback & feature request management

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Canny helps product teams to collect and organize user feedback and feature requests to better understand customer needs, and prioritize their product roadmap

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GUIDEcx logo

Client onboarding and project management software

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GUIDEcx is a customer onboarding platform, purpose-built to drive customer engagement, reduce churn, and speed up time to initial value.

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Waitwhile logo

Waitlist app & queue management system for every business

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Waitwhile is a waitlist app & queue management system, built to eliminate wait times. Trusted by 10k+ businesses incl. IKEA & Lululemon.

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Listen360 logo

Build a solid reputation with reduced churn & good reviews.

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Franchise feedback platform with post-visit surveys, sentiment monitoring, review growth tools, dashboards, and loyalty insights.

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Blackhawk Network logo

Cloud-based customer loyalty tool for retailers.

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Blackhawk Network offers cloud-based customer loyalty gift card programs for retail and eCommerce businesses, empowering them to drive sales and expand their reach. With their digital reward, gift card, and payment solutions, businesses can tap into the power of gift cards to attract new customers and retain existing ones. By leveraging Blackhawk Network's expertise, businesses can maximize the potential of gift cards as a revenue-generating tool.

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SmatBot logo

Chatbot Building Platform

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An omnichannel platform that can be used to build conversations with your customers for the purposes of Lead Generation, Customer Support, Surveys, Enquiries, Appointments, Feedback, Suggestions and more.

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SendJim logo

Direct mail management software

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SendJim is a direct-mail software meant to help build a relationship with your current customers and build your route density with your customer's neighbors through targeted mailings that can be triggered by actions in your CRM.

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