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Dev tools · September 27, 2026

AUDR by Chargebee

Open standard for tracking agent run costs

AUDR by Chargebee launched on September 27, 2026 with 323 votes, #38 of 8,096 launches that month and more than 99% of that year's launches.

In plain words

AUDR is an open standard for tracking agent run costs and usage across multiple systems. It provides a common JSON schema that applications, routers, and billing systems can use to share information about who initiated an agent run and what it cost. Inspired by the telecom industry's Call Detail Record, AUDR works through a shared run ID, clear field ownership, and strict merge rules. The standard is released under Apache 2.0 and is designed for developers building AI agent systems.

written from the facts on this page · October 2026

From the sources

AUDR (Agent Usage Detail Record) is an open standard, for capturing who initiated an agent run and what it cost across every system that run touches. Inspired by the telecom industry's Call Detail Record, AUDR defines a common JSON schema that any harness, router, or billing system can emit and ingest. Three core rules make it work: a shared run ID minted by the harness, clear field ownership, and strict merge rules where conflicts are rejected and corrections are new records.

An open standard for recording who initiated your agent runs and how much each cost, across every system a run passes through. Apache 2.0. Read the spec.

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