Sends a one-off email to a user

post

https://api.solidarity.tech/v1/emails

Sends a single transactional email to a user. Supports Liquid templating for personalization (e.g., {{ first_name }}).

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Query Params

user_id

integer

required

ID of the user to send email to

subject

string

required

Email subject line (supports Liquid templating)

body_html

string

required

HTML content of the email (supports Liquid templating)

body_plain

string

Plain text fallback content

email_sender_id

integer

ID of configured email sender (uses org default if omitted)

reply_to

string

Reply-to email address

attachment_urls

array of strings

Array of URLs to files to attach (max 5)

attachment_urls

track_opens

boolean

Enable open tracking (default: true)

track_clicks

boolean

Enable click tracking (default: true)

campaign_name

string

Groups the send into one email blast titled "API: <campaign_name>", so its opens, clicks, and unsubscribes appear in the blast filters and results, and the email carries a one-click unsubscribe header. Use one name per send wave. Names match exactly, including case and spacing. The 201 response includes email_blast_id. With a name, the call returns 422 when the person has opted out of email, or when the API key was created by an admin who no longer exists.

Responses

201

email sent successfully

404

user not found

422

missing required parameters