Send a single transactional email immediately. Use this for order confirmations, password resets, notifications, and any one-off email triggered by a user action.

Schedule an email for future delivery. Use this for reminders, follow-ups, drip messages, or any email that should go out at a specific time.

Cancel a scheduled email before it is sent. Use when a user cancels an order, changes their preferences, or the scheduled action is no longer needed.

Send up to 100 distinct emails in a single API call. Each email can have a different recipient, subject, and body. More efficient than calling send_email 100 times.

Retrieve details and delivery status for a single email by its ID. Use to check whether a specific email was delivered, opened, or bounced.

List recently sent emails with delivery status. Use to audit what was sent, find a specific email, or monitor deliverability.

Get aggregate email statistics: total sent, open rate, click rate, bounce rate, and complaint rate. Use to understand overall sending health.

List email marketing campaigns with their status and performance metrics.

Create a new email marketing campaign. After creating, call sendcraft_send_campaign to send it.

Send an existing draft campaign immediately, or schedule it for a future time.

Get detailed analytics for a specific campaign: opens, clicks, bounces, unsubscribes, and click heatmap data.

List subscribers/contacts with their status and tags.

Add a new subscriber/contact to a list. If the list has double opt-in enabled, a confirmation email is sent automatically.

Unsubscribe a contact from all marketing emails. Use when processing manual unsubscribe requests or GDPR deletion requests.

List saved email templates. Templates can be reused across campaigns and transactional emails.

Save an email template for reuse. Templates support {{variable}} placeholders for personalization.

List sender domains and their DNS verification status (SPF, DKIM, DMARC). Emails from unverified domains may land in spam.

Add a new sender domain and get the DNS records (SPF, DKIM, DMARC, BIMI) to configure at your DNS provider.

Check if the DNS records for a domain are correctly configured. Call this after updating DNS records to confirm verification.

Analyze the DMARC record for a verified domain. Returns a score (0-100), policy strength, and specific issues to fix.

List subscriber segments. Segments are dynamic groups of subscribers matching specific criteria (country, tags, activity, etc.).

Check the IP warmup status for the self-hosted SMTP server. Returns current day, daily send limit, emails sent today, and remaining quota. Important to check before sending large batches.

List email topics/categories. Topics let subscribers choose which types of emails they receive (e.g. product-updates, weekly-digest, promotions).

Get the topic preferences for a specific subscriber — which topics they are opted in or out of.

Get AI-powered send-time optimisation. Returns the best day of week and hour of day (UTC) to send campaigns for maximum open rate, based on your subscribers' historical open patterns.

List API keys for the account. Returns masked keys (never the full value), permissions scope, and last-used date.