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Insights and updates from the billing world.

Pricing & Monetization

Startup Stories

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 • 6 min read

Self-Hosted vs. Cloud Billing: Data Sovereignty for Regulated Industries

Billing

Self-Hosted vs. Cloud Billing: Data Sovereignty for Regulated Industries

Finn Lobsien • 10 min read

Why we still build with Ruby in 2026

Engineering

Why we still build with Ruby in 2026

Finn Lobsien • 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)

Finn Lobsien • 5 min read

Common misconceptions about using Open-Source products

Engineering

Common misconceptions about using Open-Source products

Finn Lobsien • 4 min read

Fixing Latency Issues in Webflow Using Relume

Engineering

Fixing Latency Issues in Webflow Using Relume

Finn Lobsien • 4 min read

Why Cost can outweigh Performance in DevTools

Engineering

Why Cost can outweigh Performance in DevTools

Finn Lobsien • 5 min read

Unpacking the B2B Payment Process

Engineering

Unpacking the B2B Payment Process

Finn Lobsien • 6 min read

Using ClickHouse to scale your events engine

Engineering

Using ClickHouse to scale your events engine

Finn Lobsien • 6 min read

Open-source does not win by being cheaper

Engineering

Open-source does not win by being cheaper

Finn Lobsien • 6 min read

Why Billing Engineers in Fintechs should be paid more

Engineering

Why Billing Engineers in Fintechs should be paid more

Finn Lobsien • 6 min read

Timezones: survival tips for engineers

Engineering

Timezones: survival tips for engineers

Finn Lobsien • 4 min read

ORMs are criticized for the wrong reasons

Engineering

ORMs are criticized for the wrong reasons

Finn Lobsien • 6 min read

How we got our first 1000 Github stars for our Open Source project

Engineering

How we got our first 1000 Github stars for our Open Source project

Finn Lobsien • 6 min read

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

Engineering

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

Finn Lobsien • 5 min read

3 traps for unwary technical founders

Engineering

3 traps for unwary technical founders

Anh-Tho Chuong • 4 min read

6 steps to build a usage-based billing system

Engineering

6 steps to build a usage-based billing system

Finn Lobsien • 5 min read

The tech stack we use to build Lago

Engineering

The tech stack we use to build Lago

Finn Lobsien • 3 min read

Engineers need open source to end their billing nightmares

Engineering

Engineers need open source to end their billing nightmares

Finn Lobsien • 9 min read

Open-source licensing and why Lago chose AGPLv3

Engineering

Open-source licensing and why Lago chose AGPLv3

Finn Lobsien • 5 min read

The 5 reasons why we chose open source

Engineering

The 5 reasons why we chose open source

Finn Lobsien • 2 min read

Why billing systems are a nightmare for engineers

Engineering

Why billing systems are a nightmare for engineers

Finn Lobsien • 9 min read

Authorization & Role-based Access Control (RBAC)

Engineering

Authorization & Role-based Access Control (RBAC)

Finn Lobsien • 2 min read

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