Friendship Tracker

Error envelope

Uniform error body across every Friendship Tracker endpoint.

Every error response from Friendship Tracker carries the same body: detail is the English fallback (kept for legacy / curl), i18n is the bilingual form clients prefer.

Response shape

{
  "detail": "Invalid credentials",
  "i18n":  { "en": "Invalid credentials", "de": "Ungültige Zugangsdaten" }
}

Status codes

Hover a code for a concrete example of what triggers it.

Code	Meaning
	Bad request
`401`	Unauthorized
`403`	Forbidden
`404`	Not found
`409`	Conflict
`422`	Validation error
`429`	Too many requests
`500`	Server error