Monthly Usage Statements and More Reliable Inbound Calls

Monthly usage statements, more reliable inbound calls, improved GPT-6 Luna silence handling, and clearer Session API date errors.

Published: October 8, 2026

This week's update to the Syllable Agentic Platform adds monthly usage statements for billing contacts and improves routing for inbound calls during cluster scale-ups. Agents using GPT-6 Luna handle silent caller turns more consistently, while malformed date filters in Sessions and related APIs return clear HTTP 400 errors instead of server errors.

Agents

  • Improved silence handling for agents using GPT-6 Luna, helping configured responses run more consistently when callers are silent.

Sessions

  • Fixed malformed date filters in Sessions and related APIs to return HTTP 400 instead of server errors, helping integrations identify invalid requests.

Channels

  • Improved routing for inbound channels during cluster scale-ups, reducing unintended transfers to fallback numbers.

Organization

  • Added monthly usage statements emailed to configured billing recipients, showing itemized usage covered by prepaid balances.

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See the full history of platform updates and improvements.