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Merran documentation API & integrations

What's on

GET
/api/capabilities
curl --request GET \
--url http://localhost:3000/api/capabilities

Which of Merran’s optional parts are on, what they make possible, and what the web app needs from them. Needs no sign-in: the web app reads it before anyone signs in.

What’s on.

Media typeapplication/json
object
version
required
string
modules
required
Array<object>
object
id
required
string
on
required
boolean
needs

When it’s off, what it needs, as a stable code.

string
capabilities
required

What the modules that are on make possible.

Array<string>
client
required

What the web app needs from each module that’s on, by module id.

object
key
additional properties
object
key
additional properties

Example

{
"version": "0.1.0",
"modules": [
{
"id": "errorTracking",
"on": true
},
{
"id": "telemetry",
"on": true
}
],
"capabilities": [],
"client": {
"errorTracking": {
"dsn": "https://public-key@errors.example.com/1",
"environment": "home",
"sampleRate": 1,
"release": "0.1.0"
}
}
}

© 2026 Kyle Johnson. Documentation: CC BY 4.0. Merran: AGPL-3.0-or-later.