Documentation Index
Fetch the complete documentation index at: https://docs.firmhouse.com/llms.txt
Use this file to discover all available pages before exploring further.
Developers
Build with Firmhouse
Welcome to the new Firmhouse developer documentation. We are moving developer-focused content into this documentation site. Use this section for new developer guides while we build out the new developer documentation experience.
The main Firmhouse developer documentation is still available on developer.firmhouse.com. Use the links below to open the current GraphQL API, API reference, Liquid, email template, and webhook documentation while content is being moved over.
GraphQL API
Learn how to use the Firmhouse GraphQL API for backend integrations, headless storefronts, custom checkout flows, and customer self-service experiences.
API Reference
Deep-link into GraphQL objects, queries, mutations, input types, and payloads for building custom Firmhouse integrations.
Liquid
Learn how Firmhouse uses Liquid to customize checkout, Self Service Center, webhooks, and customer-facing content.
Email templates
Find the available email template types and the Liquid objects you can use in each customer email.
Webhooks
Receive event notifications from Firmhouse in your own systems and connect subscription activity to external workflows.
Guides
Browse practical examples for building Firmhouse integrations and customer-facing developer workflows.
We will keep adding new guides here and move more developer content into this site over time. Browse the developer guides as this collection grows.