Integration
Connect MailUp and Reply
When New Email Message in List fires in MailUp, your agent runs Add contact list in Reply, or New Email Opened in Reply to Create New Email Message in MailUp. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want MailUp and Reply to do together?
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Connect your AI client
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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 and Reply can do together
From MailUp to Reply
When New Email Message in List in MailUp
then Add contact list in Reply
When New Group in MailUp
then Add note to contact in Reply
From Reply to MailUp
When New Email Opened in Reply
then Create New Email Message in MailUp
When New Emails Sent in Reply
then Send Message to Email Address in MailUp
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 Reply
Triggers and actions 11 triggers · 41 actions
Trigger
New Email Message in ListA new email message was created in the list. MailUp is a multi-list environment and messages are list-specific.
Trigger
New GroupNew group added to the specified list. MailUp is a multi-list environment and groups are list-specific.
Trigger
New Recipient SubscribedThere is a new subscriber in the specified list. MailUp is a multi-list environment.
Trigger
New Recipient UnsubscribedA recipient unsubscribed from the specified list. MailUp is a multi-list environment.
Action
Add listCreate a new list. POST Console/List
Action
Add Recipient to GroupAdd recipient to the specified group on the list.
Action
Add Recipient to ListAdds a new recipient to the specified list as a subscriber.
Action
Create New Email MessageCreate a new email message on the specified list.
Action
Create New GroupAdd a new group to the specified list. MailUp is a multi-list environment.
Action
Delete email messageDelete an email message. DELETE Console/List/{id_List}/Email/{id_Message}
Action
Delete groupDelete a group in a list. DELETE Console/List/{id_List}/Group/{id_Group}
Action
Delete listDelete a list. DELETE Console/List/{id_List}
Action
Get email messageRetrieve email message details. GET Console/List/{id_List}/Email/{id_Message}
Action
Get listRetrieve list details by id. GET Console/List/{id_List}
Action
List email messagesRetrieve email messages of a list. GET Console/List/{id_List}/Emails
Action
List Email Message Sendingslists the sendings (send tasks, with recipients count and status) created for an email message.
Action
List Group RecipientsLists the recipients in a MailUp group (GET Console/Group/{id_group}/Recipients), with id, email, name and personal data fields.
Action
List groupsRetrieve groups of a list. GET Console/List/{id_List}/Groups
Action
List listsRetrieve the console's lists. GET Console/List on services.mailup.com/API/v1.1/Rest/ConsoleService.svc
Action
List subscribed recipientsRetrieve subscribed recipients of a list. GET Console/List/{id_List}/Recipients/Subscribed
Action
Remove recipient from groupUnsubscribe a recipient from a group. DELETE Console/Group/{id_Group}/Unsubscribe/{id_Recipient}
Action
Remove Recipient From ListThis method unsubscribe the given recipient from the specified list.
Action
Send Message to Email AddressSends the specified message (previously created in MailUp in the specified List) to the email address specified.
Action
Send Message to GroupSend a message to a predefined group in the specified list.
Action
Send message to listSend an email message to all recipients of a list. POST Console/List/{id_List}/Email/{id_Message}/Send
Action
Unsubscribe recipient from listUnsubscribe a recipient from a list. DELETE Console/List/{id_List}/Unsubscribe/{id_Recipient}
Action
Update email messageModify an email message. PUT Console/List/{id_List}/Email/{id_Message}
Action
Update groupModify a group in a list. PUT Console/List/{id_List}/Group/{id_Group}
Action
Update listModify details of a list. PUT Console/List/{id_List}
Trigger
Inbox Category Set for ReplyTriggers when an email reply in Reply is given an inbox category, automatically or by a user.
Trigger
New Email OpenedTriggers when a contact opens a tracked email sent from Reply.
Trigger
New Emails SentTriggers when Reply sends an email from a sequence step.
Trigger
New Link ClickedTriggers when a recipient clicks a tracked link in an email sent from Reply.
Trigger
New Person BounceTriggers when an email sent from Reply bounces or is rejected by the recipient's mail server.
Trigger
New Person Opt OutTriggers when a contact opts out of outreach in Reply (unsubscribe link, manual opt-out, or marked Do Not Contact).
Trigger
Prospect FinishedTriggers when a contact's participation in a Reply sequence ends — completed, replied, bounced, opted out, or finished manually.
Action
Add contact listCreates a new contact list in Reply, optionally shared with your team.
Action
Add note to contactAdds a note to a contact's timeline in Reply.
Action
Add sequenceCreates a new sequence in Reply with its steps, schedule, sending accounts and settings.
Action
Create\Update PersonCreates a Reply contact, or updates the existing contact with the same email address.
Action
Delete contactDeletes a contact from your Reply account.
Action
Find contacts by criteriaReturns the contacts that match a search term and/or field rules, optionally scoped to a contact list, sequence or sequence step.
Action
Get contactReturns one Reply contact by its id, including profile details, owner, opt-out, call and meeting status, stage and custom fields.
Action
Get sequenceReturns one sequence in full: name, status, owner, schedule, settings, connected email and LinkedIn accounts, and its steps.
Action
List contact listsReturns the contact lists you own plus those shared with your team, optionally filtered by name.
Action
List contactsReturns your Reply contacts, optionally narrowed to one email address or LinkedIn profile URL.
Action
List inbox categoriesReturns the inbox categories you can file conversations under.
Action
List Sequence ContactsReturns the contacts enrolled in a sequence, with each contact's status, current step, added date, opt-out and call status.
Action
List sequencesReturns the sequences in your Reply account, optionally filtered by status, owner, folder, archive state or name.
Action
Mark as FinishedMarks one or more contacts as finished in every sequence they are in, so they receive no further sequence steps.
Action
Remove Person From CampaignRemoves a contact from a sequence so they stop progressing through it. The contact and their history stay in your Reply account.
Action
Send Test Webhook EventSends a test event from an existing Reply webhook subscription to its configured URL.
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 Reply, 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 Reply when something happens in MailUp?
Any of Reply's 16 actions, including Create\Update Person, Send Test Webhook Event, Add contact list and Add note to contact. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Reply to MailUp?
Yes. When something happens in Reply, your agent can act in MailUp too. This page covers both directions: Reply's triggers and MailUp's actions are listed here as well.
Do I have to build a connector for MailUp or Reply?
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.