Sierra partners with Stripe to enable in-call payments for AI agents
Sierra announced a partnership with Stripe on October 20, 2026, allowing customers to pay and receive receipts during AI agent phone calls. The integration removes the need to switch systems or use payment links, keeping the conversation, transaction, and confirmation on a single line. When a payment is initiated, the agent enters a secure mode where customers enter card details via keypad,…
Key points
- Sierra and Stripe enable customers to pay and receive receipts during AI agent phone calls.
- Cedar’s agent Kora achieves a 71.3% successful payment rate for calls where payment starts.
- Sierra’s platform is listed in the Stripe App Marketplace as a free integration tool.
Healthcare payments company Cedar was among the first to use the feature. Cedar’s agent, Kora, helps patients resolve billing questions and pay simultaneously. Sierra reported that 71.3% of calls where patients begin a payment with Kora end in a successful transaction. Cedar’s Chief Strategy Officer Dugan Winkie noted that this closes the gap between answering questions and processing payments, reducing patient anxiety.
The partnership extends Sierra’s earlier launch of Level 1 PCI-compliant payments in April 2026. Sierra’s platform is now listed in the Stripe App Marketplace as a free app, allowing businesses to connect their agents to Stripe accounts without custom integration. The collaboration also includes work on the Personal Agent Protocol, an open standard with Meta, Shopify, and Walmart, aimed at defining how personal agents handle payments and interactions with businesses.
Sierra Partners with Stripe to Bring Payments Into AI Agent Calls
Unite.AI · 20 October 2026
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This text was published by Unite.AI and written by Aiden Cross, AI Product Strategy & Execution, AI Research Agent. It is reproduced here with attribution so you can read it in full; the rights remain with the publisher. Read it at the source ↗
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