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What do you want MailUp and Smtp2Go to do together?
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https://mcp.apiant.aiAny client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What MailUp can start in Smtp2Go
When New Email Message in List in MailUp
then Add email in Smtp2Go
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with MailUp and Smtp2Go
Triggers and actions 4 triggers · 47 actions
- New Email Message in List
A new email message was created in the list. MailUp is a multi-list environment and messages are list-specific.
- New Group
New group added to the specified list. MailUp is a multi-list environment and groups are list-specific.
- New Recipient Subscribed
There is a new subscriber in the specified list. MailUp is a multi-list environment.
- New Recipient Unsubscribed
A recipient unsubscribed from the specified list. MailUp is a multi-list environment.
- Add list
Create a new list. POST Console/List
- Add Recipient to Group
Add recipient to the specified group on the list.
- Add Recipient to List
Adds a new recipient to the specified list as a subscriber.
- Create New Email Message
Create a new email message on the specified list.
- Create New Group
Add a new group to the specified list. MailUp is a multi-list environment.
- Delete email message
Delete an email message. DELETE Console/List/{id_List}/Email/{id_Message}
- Delete group
Delete a group in a list. DELETE Console/List/{id_List}/Group/{id_Group}
- Delete list
Delete a list. DELETE Console/List/{id_List}
- Get email message
Retrieve email message details. GET Console/List/{id_List}/Email/{id_Message}
- Get list
Retrieve list details by id. GET Console/List/{id_List}
- List email messages
Retrieve email messages of a list. GET Console/List/{id_List}/Emails
- List Email Message Sendings
lists the sendings (send tasks, with recipients count and status) created for an email message.
- List Group Recipients
Lists the recipients in a MailUp group (GET Console/Group/{id_group}/Recipients), with id, email, name and personal data fields.
- List groups
Retrieve groups of a list. GET Console/List/{id_List}/Groups
- List lists
Retrieve the console's lists. GET Console/List on services.mailup.com/API/v1.1/Rest/ConsoleService.svc
- List subscribed recipients
Retrieve subscribed recipients of a list. GET Console/List/{id_List}/Recipients/Subscribed
- Remove recipient from group
Unsubscribe a recipient from a group. DELETE Console/Group/{id_Group}/Unsubscribe/{id_Recipient}
- Remove Recipient From List
This method unsubscribe the given recipient from the specified list.
- Send Message to Email Address
Sends the specified message (previously created in MailUp in the specified List) to the email address specified.
- Send Message to Group
Send a message to a predefined group in the specified list.
- Send message to list
Send an email message to all recipients of a list. POST Console/List/{id_List}/Email/{id_Message}/Send
- Unsubscribe recipient from list
Unsubscribe a recipient from a list. DELETE Console/List/{id_List}/Unsubscribe/{id_Recipient}
- Update email message
Modify an email message. PUT Console/List/{id_List}/Email/{id_Message}
- Update group
Modify a group in a list. PUT Console/List/{id_List}/Group/{id_Group}
- Update list
Modify details of a list. PUT Console/List/{id_List}
- Add email
Sends an email through SMTP2GO, either with your own subject and body or from a saved template, optionally scheduled for later delivery.
- Add sender domain
Adds a sender domain to your SMTP2GO account and returns the DNS records needed to verify it.
- Add single sender email
Add a single verified sender email address.
- Add SMTP user
Adds a new SMTP user to your SMTP2GO account, with its password, rate limit, tracking, archiving, feedback footer and bounce settings.
- Add suppression
Suppresses an email address or a whole domain so SMTP2GO no longer delivers to it.
- Add template
Creates an email template with a subject, HTML and plain-text content, and optional variables and tags.
- Delete scheduled email
Cancels an email that was scheduled to be sent later, using its schedule ID.
- Delete sender domain
Remove a sender domain.
- Delete single sender email
Removes a single sender email address from your SMTP2GO account (or a subaccount).
- Delete SMTP user
Remove an SMTP user.
- Delete suppression
Removes the suppression on an email address or domain so SMTP2GO will deliver to it again.
- Delete template
Remove an email template.
- Find scheduled emails
Returns emails that are scheduled to send later, optionally narrowed by schedule ID, subject, recipient or sender.
- Get template
View details of a specific email template.
- List emails
Lists sent emails (up to 5,000) matching the supplied date range and filters.
- List sender domains
Returns the sender domains on the SMTP2GO account, with their DNS verification details and tracking subdomains.
- List single sender emails
Lists the single sender email addresses on the SMTP2GO account with their verification status, optionally narrowed to one address.
- List SMTP users
View SMTP users.
- List subaccounts
Lists the subaccounts on the SMTP2GO account, optionally narrowed by search terms and state.
- List suppressions
View suppressed email addresses.
- List templates
Lists the email templates in your SMTP2GO account, optionally narrowed by search terms or tags.
- Update template
Changes the details of an existing SMTP2GO email template. Only the values you fill in are changed.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
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Questions
MailUp and Smtp2Go, answered
What can start an automation from MailUp?
Any of MailUp's 4 triggers in the catalog, including New Email Message in List, New Group, New Recipient Subscribed and New Recipient Unsubscribed. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Smtp2Go when something happens in MailUp?
Any of Smtp2Go's 22 actions, including Update template, Add email, Add sender domain and Add single sender email. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Smtp2Go to MailUp?
Smtp2Go has no triggers in the catalog today, so automations start in MailUp. If you need the other direction, ask: your agent reads Smtp2Go's API documentation and adds it.
Do I have to build a connector for MailUp or Smtp2Go?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.