Send SMS to explicit phone numbers.

Parameters

• recipient: string (comma-separated) or array of phone numbers

• recipients: alias of recipient

• sender_id: string, max 11 chars

• message: string, max 460 chars

• schedule: boolean (default false)

• schedule_time: string 'YYYY-MM-DD HH:MM' if schedule is true

• verify_sender: boolean, best-effort status check before sending

Returns

• API response payload; indexes campaign id in session cache

Send an SMS to all contacts in one or more groups.

Provide group_id list and a message (≤ 460 chars). For scheduling, set schedule=true and supply schedule_time (YYYY-MM-DD HH:MM).

Update a scheduled SMS campaign.

Supply id, sender_id, schedule_time, and optional message (≤ 460 chars).

Get the delivery report for a specific SMS campaign by its ID.

Get the delivery status for a specific message within a campaign by campaign_id.

Get delivery reports for campaigns within a date range (YYYY-MM-DD).

Add a contact to a group. Requires group_id and phone.

Update a contact by contact_id. Requires phone; other fields optional.

Delete a contact by contact_id.

Fetch contact details by contact_id.

List contacts (first page as returned by the API).

List contacts in a given group by group_id.

Create a new contact group with group_name.

Rename a contact group by group_id to group_name.

Delete a contact group by group_id.

Fetch details for a group by group_id.

List all groups.

List message templates.

Fetch a message template by template_id.

Create a message template with title and content.

Update a template by template_id. title and/or content optional.

Delete a message template by template_id.

Register a sender ID (≤ 11 chars) with a purpose.

Check the status of a registered sender ID.

Get your current SMS balance and wallet summary.

Return a compact snapshot of known entities (names → IDs) gathered so far.

Resolve a group name (case-insensitive, substring) to known IDs from this session.

This uses the MCP server's in-memory cache populated by prior tool calls.