Mailrelay API Reference

What you can ask

MCP server · Beta

Talk to your assistant in plain language. It picks the right Mailrelay tools, runs them and explains the result. Copy any of these to get started.

Reporting

"Compare open and click rates of my last 5 campaigns."

Email campaigns · Read

"Which links got the most clicks in my last newsletter?"

Email campaigns · Read

"Give me a summary of my account stats this month."

Always included

Contacts

"Find subscribers who unsubscribed last week and tell me why."

Contacts · Read

"Create a custom field "Company size" as a dropdown."

Contacts · Write

"Add the tag "VIP" to [email protected]."

Contacts · Write

Campaigns

"Draft a campaign announcing our autumn sale, using my usual sender."

Email campaigns · Write

"Send a test of that draft to me."

Email campaigns · Send

"Pause the campaign that's currently sending."

Email campaigns · Write

SMS & WhatsApp

"List my WhatsApp templates that are still waiting for approval."

WhatsApp · Read

"How many messages of my last WhatsApp campaign were delivered and read?"

WhatsApp · Read

"Show the delivery status of yesterday's SMS campaign."

SMS · Read

Tips

Draft first, send later

Ask for a draft and a test send to yourself before anything goes to your list.

Be specific about dates

Mailrelay stores times in UTC. Mention your time zone for "yesterday" or "this morning".

Name things exactly

Use the group, tag or campaign name as it appears in your account.