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GET
Get one flow version
The list row plus the graph that version held, so an old config can be inspected before rolling back to it.

Headers

x-apikey
string
required

API Key for authentication

Path Parameters

flow_id
string
required

Flow identifier, e.g. fl_ab12cd34

number
integer
required

Version number from GET /v1/flows/{flow_id}/versions

Response

The version and its config

number
integer
required

1-based, monotonic within one flow.

name
string
required
description
string
required
changed_fields
string[]
required

Which of name, description, config, ui differ from the previous version — so a canvas-only move can be told from a graph edit.

source
enum<string>
required

Where the edit came from.

Available options:
ui,
api,
mcp,
admin,
system
created_at
string
required
created_by
string | null
required

Email of the author, or null for edits made outside a user session.

config
Config · object
required
ui
Ui · object
required
restored_from
integer | null

Set when this version was produced by a rollback.