User Guides

Billing and Subscriptions

Manage subscriptions, payment method information and discounts using REST APIs.

Products

Manage products in the catalog by defining product information, editions and pricing plans using GraphQL APIs.

Users and Accounts

Manage users, companies, and memberships in your marketplace including user roles and permissions.

API Authentication

Our APIs use an OAuth-authenticated interface that facilitates secure data access by partners and developers.

View all >

APIs and References

GraphQL API Reference

Explore the reference documentation to learn more about the queries and mutations currently available within the AppDirect GraphQL API.

REST API Reference

See examples of how to perform different tasks, like user and company management or billing and subscription management.

AI APIs

Customize, integrate, and extend AIs for your organization and customers via industry-standard APIs

LLMs.txt

Provides LLM-friendly documentation to help AI tools like Cursor understand and work with the AppDirect Developer Portal content.

View all >

Developer Tools

GraphQL Explorer

Quickly write, validate, and test GraphQL queries for AppDirect APIs

GraphQL Schema Introspection

Query the schema to discover available queries, mutations, subscriptions, types and fields in our GraphQL API.

Demo GraphQL API Explorer

Check out the demo explorer tool by running queries using sample data.

View all >

Storefront Theming

Getting Started

Learn to modify elements of Plaza, our default theme, to customise components for storefront display including homepage and product profiles.

How to Guides

Everything you need to know about customizing styles, meta tags, creating a header and footer, or localising, uploading and publishing your theme.

Storefront Toolkit

Check out the demo explorer tool by running queries using sample data.

Overview >

Webhooks

Molecular Gastronomy : Exploring The Science Of... May 2026

If you're looking to dive deeper into this topic, these highly-rated books provide excellent foundations: Go to product viewer dialog for this item. Molecular Gastronomy: Scientific Cuisine Demystified

: Bringing laboratory equipment like precision scales, siphons, and centrifuges into the kitchen. Molecular gastronomy : exploring the science of...

Molecular gastronomy uses several avant-garde methods to manipulate food: If you're looking to dive deeper into this

: Turning liquids into caviar-like pearls using sodium alginate and calcium chloride. Molecular gastronomy : exploring the science of...