Integration
Connect Files.com to Lettr
When Automation Run Completed fires in Files.com, your agent runs Add contact in Lettr. 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 Files.com and Lettr to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any 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 Files.com can start in Lettr
When Automation Run Completed in Files.com
then Add contact in Lettr
When Group Created in Files.com
then Add contact to list in Lettr
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 Files.com and Lettr
Triggers and actions 7 triggers · 27 actions
Trigger
Automation Run CompletedTriggered when a run of the selected Files.com automation finishes, whether it succeeded, failed or was canceled. Each run is reported once, after it completes.
Trigger
File DeletedTriggered when a file or folder is deleted in Files.com. Reports the path that was deleted and who deleted it.
Trigger
Group CreatedTriggered when a new group is created in Files.com. Reports the group's name, members and login permissions.
Trigger
New File or Folder CreatedTriggered when a file or folder is created in Files.com, whether uploaded, copied or created by an automation. Reports the new path and who created it.
Trigger
New File UploadedTriggered when a new file appears in the folder you choose. Reports the file's path, name, size and last-modified time.
Trigger
Share Link CreatedTriggered when a new share link is created in Files.com. Reports the link's public address, what it shares and when it expires.
Trigger
User CreatedTriggered when a new user is created in Files.com. Reports the user's name, username, email and login permissions.
Action
Add User to GroupAdds an existing Files.com user to a group, optionally as a group administrator. Returns the new group membership, including the group name and the user's username.
Action
Copy FileCopies a file or folder in Files.com to a new path, leaving the original in place. Returns the copy status, plus a migration ID when a large copy continues in the background.
Action
Create FolderCreates a folder at the given path in Files.com, optionally creating any missing parent folders. Returns the new folder's path, name and creation details.
Action
Create GroupCreates a group in Files.com, optionally with its starting members, group administrators and login-protocol permissions. Returns the new group including its ID.
Action
Create Share LinkCreates a public share link for one or more files or folders in Files.com, optionally password-protected, expiring or use-limited. Returns the link's public address.
Action
Delete FileDeletes a file or folder from Files.com at the given path. Deleting a folder that still has contents requires the recursive option.
Action
Delete FolderDeletes a folder from Files.com at the given path. Use the recursive option to delete a folder that still has files or subfolders in it.
Action
Delete GroupDeletes a group from Files.com by its ID. The group's members keep their own accounts; only the group is removed.
Action
Delete UserDeletes a user from Files.com by their ID, removing their access to the site.
Action
Download FileGets a temporary download address for a file in Files.com, along with the file's name, size and checksums. Pass the download address to a later step to fetch or attach the file.
Action
List Folder ContentsLists the files and folders inside a Files.com folder, with each item's path, name, type, size and last-modified time.
Action
Move FileMoves or renames a file or folder in Files.com to a new path. The original path no longer exists afterwards.
Action
Remove User from GroupRemoves a user from a Files.com group. Looks up the membership for the group and user you name, then removes it.
Action
Run AutomationStarts a run of the Files.com automation you choose, the same as pressing Run in Files.com. The run continues in the background.
Action
Update UserUpdates a Files.com user's details, login permissions and access settings. Fields you leave blank keep their current values.
Action
Upload FileUploads a file into Files.com at the path you choose, fetching the bytes from the file's web address. Returns the stored file's path, name and size.
Action
Add audience listCreates a new audience list in Lettr with the given name and returns the created list.
Action
Add contactAdds a new contact to your Lettr audience, optionally placing it on a list, setting custom properties, and sending a double opt-in confirmation email.
Action
Add contact to listAdds an existing contact to one of your audience lists. Succeeds whether the contact was newly added or was already on the list.
Action
Add templateCreates a new email template in Lettr from HTML or Topol editor JSON content, and publishes its first version with the merge tags found in the content.
Action
Delete contactPermanently deletes a contact from your Lettr audience.
Action
Get contactReturns a single audience contact, including its subscription status, custom properties, lists and topics.
Action
Get templateReturns a single email template by its slug, including its HTML, editor content, purpose, status and version details.
Action
List audience listsReturns all audience lists in your Lettr team, with each list's name and contact count.
Action
List contactsReturns the contacts in your Lettr audience, optionally narrowed by a search term, subscription status, list or segment.
Action
List templatesReturns the email templates in a Lettr project, optionally limited to one folder or to transactional or campaign templates.
Action
Update contactUpdates an existing contact in your Lettr audience, changing its email address, subscription status or custom properties. Fields left blank are not 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
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Questions
Files.com and Lettr, answered
What can start an automation from Files.com?
Any of Files.com's 7 triggers in the catalog, including Automation Run Completed, Group Created, New File or Folder Created and New File Uploaded. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Lettr when something happens in Files.com?
Any of Lettr's 11 actions, including Update contact, Add audience list, Add contact and Add contact to list. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Lettr to Files.com?
Lettr has no triggers in the catalog today, so automations start in Files.com. If you need the other direction, ask: your agent reads Lettr's API documentation and adds it.
Do I have to build a connector for Files.com or Lettr?
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.
Can my AI client use Files.com and Lettr without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.
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.