# Metering LLM Token Usage: An Architecture Guide for AI SaaS

DevFeed: [Metering LLM Token Usage: An Architecture Guide for AI SaaS](<https://devfeed.tech/articles/metering-llm-token-usage-an-architecture-guide-for-ai-saas-10014.md>)

Original publisher: [Read original article](<https://dodopayments.com/blogs/metering-llm-token-usage-architecture/>)

Author: Ayush Agarwal

Published: 2026-05-17T00:00:00Z

Content type: tutorial

Language: en

Sources: [Dodo Payments Blog](<https://devfeed.tech/sources/dodo-payments-blog.md>)

Topics: [Large Language Model](<https://devfeed.tech/topics/llm.md>), [Software as a service](<https://devfeed.tech/topics/saas.md>), [Instrumentation](<https://devfeed.tech/topics/instrumentation.md>), [telemetry](<https://devfeed.tech/topics/telemetry.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [architecture](<https://devfeed.tech/tags/architecture.md>), [guide](<https://devfeed.tech/tags/guide.md>), [instrumentation](<https://devfeed.tech/tags/instrumentation.md>), [llm](<https://devfeed.tech/tags/llm.md>), [pitfalls](<https://devfeed.tech/tags/pitfalls.md>), [queue](<https://devfeed.tech/tags/queue.md>), [reconciliation](<https://devfeed.tech/tags/reconciliation.md>), [saas](<https://devfeed.tech/tags/saas.md>), [token](<https://devfeed.tech/tags/token.md>), [usage-based-billing](<https://devfeed.tech/tags/usage-based-billing.md>)

## AI overview

This architecture guide explains how to build a production LLM token-metering pipeline for AI SaaS. It covers instrumentation at the provider-call boundary, queued billing events, hosted aggregation, customer attribution, retry deduplication, partial-failure handling, and reconciliation.

## Source excerpt

Build a metering pipeline for LLM token usage that survives retries, supports multiple providers, and feeds clean billing events. Architecture and pitfalls.