Save the draft (autosave)

PUT

/api/v1/workspaces/{workspace}/transactional/templates/{template}/draft

curl --request PUT \
  --url https://reputecast.example.com/api/v1/workspaces/acme-newsletter/transactional/templates/password-reset/draft \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{ "baseRevision": 1, "editorMode": "visual", "force": true, "html": "example", "label": "example", "mjml": "example", "plainText": "example", "preheader": "example", "replyTo": "example", "senderId": "example", "source": "autosave", "subject": "example", "testData": [ { "data": { "additionalProperty": "example" }, "name": "New user" } ], "trackClicks": true, "trackOpens": true, "variables": [ { "default": "example", "description": "example", "name": "reset_url", "required": true, "sample": "example", "sensitive": true, "type": "text" } ] }'

• Your ReputeCast public URL

Permission: transactional:edit

Content, variables, test data, sender, reply-to and tracking. Fails with 409 version_conflict when someone saved a newer revision since baseRevision; the problem’s meta says who, when and what each side changed. Send force: true to keep yours.

Authorizations

• bearer

Parameters

Path Parameters

workspace

required

Workspace slug

string

/^[a-z0-9][a-z0-9-]{1,62}$/

Workspace slug

template

required

The template’s ID, such as password-reset, or its UUID

string

<= 64 characters

The template’s ID, such as password-reset, or its UUID

Query Parameters

language

Saves a language version instead of the draft (internal/languages)

string

<= 16 characters

Saves a language version instead of the draft (internal/languages)

Request Body^required

Media typeapplication/json

object

baseRevision

required

integer format: int64

>= 1

editorMode

string

Allowed values: visual mjml html

force

boolean

html

The HTML the editor compiled; empty compiles the MJML on the server

string

<= 2500000 characters

label

string

<= 200 characters

mjml

string

<= 2000000 characters

plainText

string

<= 500000 characters

preheader

string

<= 500 characters

replyTo

string

<= 254 characters

senderId

A Transactional sender, or empty for the default

string

source

string

default: autosave

Allowed values: autosave manual import restore

subject

string

<= 998 characters

testData

Array<object>

<= 50 items

object

data

required

object

key

additional properties

name

required

string

>= 1 characters <= 80 characters

trackClicks

boolean

trackOpens

boolean

variables

Array<object>

<= 200 items

object

default

string

<= 4000 characters

description

string

<= 300 characters

name

required

string

>= 1 characters <= 64 characters /^[A-Za-z_][A-Za-z0-9_]*$/

required

required

boolean

sample

string

<= 4000 characters

sensitive

required

Never stored: logs and stored content show ••••••

boolean

type

required

string

Allowed values: text number boolean date url list object

Responses

200

OK

Media typeapplication/json

object

draftChanges

required

boolean

draftHash

required

string

draftRevision

required

integer format: int64

html

required

string

plainText

required

string

savedAt

required

string format: date-time

sizeBytes

required

integer format: int64

Example ^generated

{
  "draftChanges": true,
  "draftHash": "example",
  "draftRevision": 1,
  "html": "example",
  "plainText": "example",
  "savedAt": "2026-04-15T12:00:00Z",
  "sizeBytes": 1
}

default

Error

Media typeapplication/problem+json

object

code

Stable error code, e.g. permission_denied

string

detail

A human-readable explanation specific to this occurrence of the problem.

string

errors

Optional list of individual error details

Array<object>

object

location

Where the error occurred, e.g. ‘body.items[3].tags’ or ‘path.thing-id’

string

message

Error message text

string

value

The value at the given location

helpers

Members who hold the missing permission

Array<string>

instance

A URI reference that identifies the specific occurrence of the problem.

string format: uri

meta

object

key

additional properties

permission

The missing permission key

string

status

HTTP status code

integer format: int64

title

A short, human-readable summary of the problem type. This value should not change between occurrences of the error.

string

type

A URI reference to human-readable documentation for the error.

string format: uri

default: about:blank

Example

{
  "detail": "Property foo is required but is missing.",
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "about:blank"
}