Sierra

About Sierra

Sierra develops technology for AI agents and personal agent protocols to facilitate secure interactions and financial workflows for businesses and consumers. The company provides the Poppy protocol and partners with organisations like Meta and Plaid to enable automated tasks such as insurance shopping and loan refinancing. Recent coverage has focused on the establishment of open standards for agent interactions and the integration of financial data into conversational workflows.

FF News has published 4 stories featuring Sierra, most recently "Sierra and Stripe Partner to Enable Seamless Conversational Payments for Businesses" (23 October 2026).