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Build

Everything you need to build an application on backd: configuration, the HTTP API, authentication, organizations, functions, files, push and clients.

This section is for the developer building an application on backd. New here? Run the Quickstart, then follow the Tutorial to build a complete app; this section is the reference you come back to. You write the application; backd serves it. This section covers every feature an application uses, in roughly the order you meet them:

I want to…Go to
Describe my data: schemas, indexes, realmsConfiguration
Read, write and query documents over HTTPHTTP API
Users, sessions, sign-in providers, API keys, access rulesAuthentication
Group a customer’s users and documentsOrganizations
Server-side logic: calls, jobs, cron, webhooks, emailFunctions
Attachments, uploads, downloads, sharingFiles
Reach users’ devicesPush
Talk to it from JavaScript, Dart, Go or Python, or generate clients and typesClients
See a complete applicationExamples
Look up a wordGlossary

Running the service itself — deployment, providers, administration — lives in Operate.

Edit this page · Last updated 13 Nov 2026