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POST
Create Engage draft

Authorizations

Authorization
string
header
required

Partner OAuth2 flows for integration API access tokens. Claude MCP custom connectors use authorization code with PKCE S256.

Headers

X-Organization-Id
string<uuid>

Active organization UUID. Required for authenticated requests when the principal has access to multiple organizations.

Pattern: ^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$

Query Parameters

organizationId
string<uuid>

Read-only convenience alias for X-Organization-Id. Legacy subscriberId query param is also accepted.

Pattern: ^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$

Body

application/json
channel
enum<string>
Available options:
email,
linkedin,
slack
draftType
enum<string>
Available options:
send,
template,
campaign
subject
string
Maximum string length: 998
body
string
Maximum string length: 500000
to
string[]
cc
string[]
bcc
string[]
from
string
accountId
string<uuid>
Pattern: ^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$
forUserId
string<uuid>

Organization user the draft belongs to. Required for client-credential tokens; user tokens default to the authenticated user.

Pattern: ^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$
attachmentSourceTemplateId
string<uuid>
Pattern: ^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$
templateAttachmentIds
string[]

Response

Created draft.

draft
object
required