List of the Top 4 Integration Software for 15Five in 2026

Zapier is a powerful AI and automation platform built to help teams orchestrate workflows across their entire tech stack. It connects more than 8,000 apps, enabling seamless automation between tools, data, and AI systems. Zapier allows users to create advanced multi-step workflows enhanced with AI decision-making. Teams can build custom AI agents that handle tasks like lead qualification, IT support, and customer responses. AI chatbots and AI-assisted workflow builders make automation accessible to non-technical users. Zapier centralizes data using tables and forms to power intelligent automations. The platform provides enterprise-grade security with SOC 2 and SOC 3 compliance. Full observability ensures teams can monitor, audit, and optimize every automation. Zapier supports role-based access controls and single sign-on for enterprise governance. It scales from personal productivity to company-wide automation programs. Zapier helps organizations move faster without sacrificing control or security. It enables real-world AI adoption that delivers measurable ROI.

A single platform offers endless opportunities to engage with both your customers and staff. Any application can be made secure with authentication capabilities. Okta enables you to swiftly develop experiences that are both secure and enjoyable. By integrating Okta's Customer ID products, you can assemble the necessary framework to ensure security, scalability, and dependability. Safeguard and empower your employees, contractors, and partners effectively. Okta’s workforce identification solutions ensure that your employees remain protected regardless of their location. You will be equipped with essential tools to streamline cloud transitions and facilitate hybrid work environments. Trusted by organizations worldwide, Okta is committed to safeguarding workforce identities while promoting seamless connectivity across various platforms. This reliability and trust make Okta a go-to choice for businesses aiming to enhance their security infrastructure.

Deliver the integrations that your clients and potential customers are currently seeking, and watch your revenue grow without sacrificing the integrity of your main products. Provide robust, secure integrations equipped with advanced observability and security features suitable for a variety of use cases. We ensure that none of your customer's data is stored on our servers. Additionally, you can securely manage their OAUTH2 access tokens within your AWS Secrets Manager accounts. This OAUTH2 authentication method protects your customers' credentials while allowing them to revoke access tokens whenever they wish. By utilizing your OAUTH2 client secrets and IDs, you gain complete control over branding and security measures. Your application will maintain full authority over authorization processes and access tokens. Eliminate the complications associated with managing multiple APIs and intricate data transformations. Instead, streamline your integration efforts with a unified API and data model that simplifies your workflow. By focusing on this approach, you can enhance efficiency and improve user satisfaction simultaneously.

Refold.ai is an advanced AI-powered integration platform designed to tackle the complex challenges of connecting modern enterprise systems and legacy applications like SAP, Oracle Fusion, and Workday Finance. Its AI agents function as tireless digital workers that automate the entire integration lifecycle — from scope definition and workflow creation to intelligent data mapping and automated test case generation. The platform uses an evolving memory graph to predict and resolve API version conflicts, detect brittle endpoints, and auto-fix workflows in real time, enabling scalable and resilient integrations. Refold offers instant support for over 100 enterprise applications through a curated marketplace and provides smooth authentication, XML/ETL pipeline management, and detailed observability with audit logs. Deployment options include cloud, self-hosted, and air-gapped on-premises setups, supporting AWS, GCP, and Azure environments. Refold empowers solution engineers to build demos quickly, professional services teams to deliver integrations efficiently, product teams to embed integrations as core features, and AI teams to develop memory-driven internal agents. The platform is trusted by global clients for accelerating sales cycles and slashing integration costs by more than half. It boasts enterprise-grade security certifications such as SOC 2 Type II, ISO 27001, GDPR, and HIPAA compliance. Refold’s combination of AI-driven automation, real-time adaptation, and comprehensive integration infrastructure makes it a vital tool for modern enterprises. Overall, Refold.ai turns integration bottlenecks into seamless workflows, enabling faster innovation and superior customer experiences.