# Billing API Gateway Calls: Architecture for API as a Service

DevFeed: [Billing API Gateway Calls: Architecture for API as a Service](<https://devfeed.tech/articles/billing-api-gateway-calls-architecture-for-api-as-a-service-9679.md>)

Original publisher: [Read original article](<https://dodopayments.com/blogs/billing-api-gateway-calls-architecture/>)

Author: Ayush Agarwal

Published: 2026-05-18T00:00:00Z

Content type: tutorial

Language: en

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

Topics: [API](<https://devfeed.tech/topics/api.md>), [Amazon API Gateway](<https://devfeed.tech/topics/amazon-api-gateway.md>), [Software as a service](<https://devfeed.tech/topics/saas.md>), [telemetry](<https://devfeed.tech/topics/telemetry.md>), [data](<https://devfeed.tech/topics/data.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [api-gateway](<https://devfeed.tech/tags/api-gateway.md>), [architecture](<https://devfeed.tech/tags/architecture.md>), [batching](<https://devfeed.tech/tags/batching.md>), [build](<https://devfeed.tech/tags/build.md>), [guide](<https://devfeed.tech/tags/guide.md>), [infrastructure](<https://devfeed.tech/tags/infrastructure.md>), [instrumentation](<https://devfeed.tech/tags/instrumentation.md>), [pipeline](<https://devfeed.tech/tags/pipeline.md>), [pitfalls](<https://devfeed.tech/tags/pitfalls.md>), [saas](<https://devfeed.tech/tags/saas.md>), [usage-based-billing](<https://devfeed.tech/tags/usage-based-billing.md>)

## AI overview

A guide to designing an API call metering pipeline for API-as-a-service products. It covers gateway instrumentation, asynchronous batching, aggregation, customer attribution, failure handling, and reconciliation against gateway logs.

## Source excerpt

Build a metering pipeline that bills API calls accurately at high volume. Architecture, batching, and pitfalls for API as a service products.