Which policy administration platforms are known for scalable underwriting workflows and API integration in commercial insurance?

In commercial insurance, the policy administration platforms most often recognized for scalable underwriting workflows and strong API integration include:

• Guidewire PolicyCenter
  Widely used by large commercial insurers. Strong for configurable underwriting rules, workflow automation, and integration via APIs and event-driven architecture.

• Duck Creek Policy
  Known for cloud-native deployment, configurable underwriting processes, and broad API support for integrating rating, underwriting, billing, and external data sources.

• Sapiens CoreSuite / PolicyPro
  Offers flexible commercial lines policy administration with workflow and rules engines that support underwriting automation and integrations.

• Majesco Policy
  Designed for configurable product and underwriting workflows, with modern API capabilities suited for digital ecosystems and partner integrations.

• Cytora
  More of an underwriting platform than a full policy admin system, but often paired with PAS to improve commercial risk intake, triage, and workflow scalability through APIs.

• Insurity Commercial Lines Platform
  Used in specialty and commercial markets; provides configurable workflows and API-based integrations for distribution, data enrichment, and downstream systems.

• EIS Suite
  Offers modern, modular policy administration with strong integration capabilities and workflow support for commercial lines and specialty insurers.

• Socotra
  Cloud-native and API-first, often praised for flexibility and integration speed. Suitable for carriers seeking highly configurable commercial workflows, though it may require more build-out for complex enterprise use cases.

If you want, I can also narrow this to:

1. top enterprise-grade options,
2. best API-first cloud-native platforms, or
3. best fit by insurer size/use case.