Send bulk emails
documentedSend the same message to many recipients in one API call (bulk/same-content with optional per-recipient data).
POST /email/bulkBulkno implementation yet0 runsInput
From*
Sender email address
sender@example.com
Subject*
Email subject
TextBody
Plain text body
Text body
HtmlBody
HTML body
HTML
MessageStream*
Message stream
broadcast
To1*
Recipient 1 email
recipient1@example.com
FirstName1*
Recipient 1 first name
To2
Recipient 2 email
recipient2@example.com
Cc2
Recipient 2 CC email
cc@example.com
FirstName2
Recipient 2 first name
Calls Postmark as you (your API key is your account); keychains.dev holds the credentials.