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Insights and updates from the billing world.

Pricing & Monetization

Startup Stories

Agent SDK: bill the dollar cost of LLM calls, margin built in

AI

Agent SDK: bill the dollar cost of LLM calls, margin built in

Anh-Tho Chuong•Jul 21•1 min read

We killed our motion design job

AI

We killed our motion design job

Anh-Tho Chuong•Jul 21•5 min read

Removing humans from the loop has become a status symbol.

Engineering

Removing humans from the loop has become a status symbol.

Raffi Sarkissian•Jul 20•4 min read

REST API Design Guide for Billing: Best Practices 2026

Engineering

REST API Design Guide for Billing: Best Practices 2026

Anh-Tho Chuong•Mar 30•16 min read

Embedded software is the biggest growth opportunity for open source

Product

Embedded software is the biggest growth opportunity for open source

Anh-Tho Chuong•Mar 26•5 min read

When building AI chat is actually hard (how and why we built our agents)

Engineering

When building AI chat is actually hard (how and why we built our agents)

Raffi Sarkissian•Feb 26•7 min read

Why we still build with Ruby in 2026

Engineering

Why we still build with Ruby in 2026

Anh-Tho Chuong•Aug 18, 2025•3 min read

Why building a self-hosted SaaS is a headache (and how we make it easier)

Engineering

Why building a self-hosted SaaS is a headache (and how we make it easier)

Anh-Tho Chuong•Aug 5, 2025•5 min read

Common misconceptions about using Open-Source products

Engineering

Common misconceptions about using Open-Source products

Anh-Tho Chuong•Nov 1, 2024•4 min read

Fixing Latency Issues in Webflow Using Relume

Engineering

Fixing Latency Issues in Webflow Using Relume

Anh-Tho Chuong•Sep 25, 2024•4 min read

Why Cost can outweigh Performance in DevTools

Engineering

Why Cost can outweigh Performance in DevTools

Anh-Tho Chuong•Jun 26, 2024•5 min read

Unpacking the B2B Payment Process

Engineering

Unpacking the B2B Payment Process

Anh-Tho Chuong•Apr 22, 2024•6 min read

Using ClickHouse to scale your events engine

Engineering

Using ClickHouse to scale your events engine

Anh-Tho Chuong•Feb 24, 2024•6 min read

Open-source does not win by being cheaper

Engineering

Open-source does not win by being cheaper

Anh-Tho Chuong•Sep 26, 2023•6 min read

Why Billing Engineers in Fintechs should be paid more

Engineering

Why Billing Engineers in Fintechs should be paid more

Anh-Tho Chuong•Sep 20, 2023•6 min read

Timezones: survival tips for engineers

Engineering

Timezones: survival tips for engineers

Anh-Tho Chuong•Jul 3, 2023•4 min read

ORMs are criticized for the wrong reasons

Engineering

ORMs are criticized for the wrong reasons

Anh-Tho Chuong•Jun 21, 2023•6 min read

1000 GitHub Stars in 180 Days: How We Grew Lago's OSS Community

Engineering

1000 GitHub Stars in 180 Days: How We Grew Lago's OSS Community

Anh-Tho Chuong•Dec 15, 2022•6 min read

Engineers interviewing non-engineers: a guide to spotting red flags

Engineering

Engineers interviewing non-engineers: a guide to spotting red flags

Anh-Tho Chuong•Dec 15, 2022•5 min read

3 traps for unwary technical founders

Engineering

3 traps for unwary technical founders

Anh-Tho Chuong•Oct 5, 2022•4 min read

6 steps to build a usage-based billing system

Engineering

6 steps to build a usage-based billing system

Anh-Tho Chuong•Sep 8, 2022•5 min read

The tech stack we use to build Lago

Engineering

The tech stack we use to build Lago

Anh-Tho Chuong•Aug 4, 2022•3 min read

Engineers need open source to end their billing nightmares

Engineering

Engineers need open source to end their billing nightmares

Anh-Tho Chuong•Jun 1, 2022•9 min read

Open-source licensing and why Lago chose AGPLv3

Engineering

Open-source licensing and why Lago chose AGPLv3

Anh-Tho Chuong•May 30, 2022•5 min read

The 5 reasons why we chose open source

Engineering

The 5 reasons why we chose open source

Anh-Tho Chuong•May 20, 2022•2 min read

Why billing systems are a nightmare for engineers

Engineering

Why billing systems are a nightmare for engineers

Anh-Tho Chuong•May 16, 2022•9 min read

Authorization & Role-based Access Control (RBAC)

Engineering

Authorization & Role-based Access Control (RBAC)

Anh-Tho Chuong•May 3, 2022•2 min read

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