Sierra acquires Anon to help AI agents complete API-less web workflows
Sierra’s acquisition of Anon will bring secure sign-in, form filling and multi-step browser work on sites without APIs into Horizon.
AT A GLANCE
Key points
- Anon’s team and browser-agent stack are joining Sierra.
- The technology handles sign-in, MFA, portal navigation and form filling when no API is available.
- Sierra plans to connect Anon with Horizon for long-running, multi-portal workflows.
What is changing?
Sierra has acquired Anon, whose technology helps enterprise AI agents act on websites much like people do. The Anon team is joining Sierra, and its authentication, credential-management, browser-infrastructure and agent-development tools will be combined with Sierra’s customer-service platform.
When no API is available, Anon can help an agent sign in, handle multifactor authentication, navigate portals and fill forms. The company says its infrastructure has supported hundreds of thousands of production tasks. That figure is a company claim rather than an independent measurement.
Sierra plans to connect the technology with Horizon, its system for tracking long-running goals. This could let an agent continue tasks such as data entry across different web portals. Organizations still need to test credential isolation, MFA, audit logs, failure recovery and human-approval boundaries in their own workflows.
Explore the original sources
Source date: 5 November 2026.
Published by AI Radar: 5 Nov 2026, 20:13 (Istanbul, UTC+3).
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