Ranla

Send email

send_email

Destructive

Send an email. Provide subject + html/text, or a published template_id / template_alias with optional variables. Set scheduled_at to send later (cancel with cancel_email).

Input Schema

TableJSON Schema

Name	Required	Description
`cc`	No	Cc recipients: one address, several separated by commas, or an array of addresses
`to`	Yes	Recipients: one address, several separated by commas, or an array of addresses
`bcc`	No	Bcc recipients: one address, several separated by commas, or an array of addresses
`from`	Yes	Sender address on a verified domain (or `Name <address>`). Before a domain is verified, use the sandbox sender noreply@mail.ranla.ai and send only to the account email.
`html`	No	HTML body. Send html, text or both, unless you use a template
`tags`	No	Tags as name → value, for filtering and webhooks
`text`	No	Plain-text body. Sent alongside html, or on its own
`headers`	No	Extra email headers as name → value
`subject`	No	Optional when using a published template
`category`	No	Default transactional. product and newsletter add an unsubscribe link and skip recipients who opted out of that category.
`reply_to`	No	Reply-To: one address, several separated by commas, or an array of addresses
`variables`	No	Template variables when using template_id or template_alias
`template_id`	No	Published template id
`unsubscribe`	No	Add a managed unsubscribe link to this send
`scheduled_at`	No	ISO 8601 time to send, e.g. 2026-10-01T09:00:00Z
`template_alias`	No	Published template alias
`idempotency_key`	No	Retry-safe key: the same key within 24 hours returns the first send instead of sending twice

Output Schema

TableJSON Schema

Name	Required	Description	Default
`id`	Yes	Email id (msg_…)
`status`	Yes	Delivery status, e.g. queued, scheduled, sent, cancelled

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedOct 14, 2026

addedInput schema / properties / html / description

Added value: +"HTML body. Send html, text or both, unless you use a template"

addedInput schema / properties / text / description

Added value: +"Plain-text body. Sent alongside html, or on its own"

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "id": {
+      "description": "Email id (msg_…)",
+      "type": "string"
+    },
+    "status": {
+      "description": "Delivery status, e.g. queued, scheduled, sent, cancelled",
+      "type": "string"
+    }
+  },
+  "required": [
+    "id",
+    "status"
+  ],
+  "type": "object"
+}

First observedOct 14, 2026

TDQS

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