Integration
Connect Earth Class Mail and PostStack
When New Scan Completed fires in Earth Class Mail, your agent runs Add a contact in PostStack, or Contact Updated (instant) in PostStack to Email Scan in Earth Class Mail. 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 Earth Class Mail and PostStack 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)Grok
Open grok.com/connectors, choose New Connector, then Custom, and paste the address. Grok signs you in in your browser.
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 Earth Class Mail and PostStack can do together
From Earth Class Mail to PostStack
When New Scan Completed in Earth Class Mail
then Add a contact in PostStack
From PostStack to Earth Class Mail
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 Earth Class Mail and PostStack
Triggers and actions 8 triggers · 62 actions
- New Scan Completed
Triggers when a mail piece in the inbox has been opened and scanned.
- Add Tags to Piece
Adds tags to a mail piece, keeping its existing tags.
- Archive Piece
Archives a mail piece, hiding it from the default inbox view.
- Cancel Check Deposit
Cancels a check deposit request the mailroom has not acted on yet.
- Cancel Piece Shredding
Cancels a pending shred request for a mail piece.
- Create Shipment
Creates a shipment of mail pieces using a rate from Get Shipping Rates.
- Create Tag
Creates a tag in an inbox.
- Delete Tag
Deletes a tag from an inbox.
- Email Scan
Emails a scan's PDF to one or more email addresses.
- Get Bulk Piece Media
Returns envelope images and content scans for several mail pieces at once.
- Get Current User
Returns the Virtual Mail user the API key belongs to, including the user ID other operations need.
- Get Piece
Returns one mail piece's details, including sender, recipient and attributes.
- Get Piece Media
Returns a mail piece's envelope images and content scans, with download URLs.
- Get Piece Scans
Lists the scans of a mail piece, with status and page counts.
- Get Piece Shredding
Returns the pending or completed shred request for a mail piece.
- Get Shipping Rates
Returns live shipping rates for sending mail pieces to a shipping address.
- Get User
Returns one Virtual Mail user's details.
- List Check Deposit Bank Accounts
Lists the bank accounts an inbox's checks can be deposited to.
- List Check Deposit Requests
Lists the check deposit requests for an inbox.
- List Inboxes
Lists the mail inboxes a user can access, with piece counts.
- List Inbox Pieces
Lists the mail pieces in an inbox, with optional filters.
- List Inbox Tags
Lists the tags defined for an inbox.
- List Piece Check Deposit Requests
Lists the check deposit requests for one mail piece.
- List Shipments
Lists the shipments for an inbox.
- List Shipping Addresses
Lists the shipping addresses saved for an inbox.
- List User Accounts
Lists the Virtual Mail accounts a user belongs to.
- List User Recipients
Lists the mail recipients a user has across their inboxes.
- Remove Tag from Piece
Removes one tag from a mail piece.
- Request Check Deposit
Requests a deposit of the checks in a mail piece to one of the inbox's bank accounts.
- Request Piece Shredding
Requests that a mail piece be shredded, optionally deleting its scans.
- Unarchive Piece
Restores an archived mail piece to the default inbox view.
- Update Tag
Renames a tag in an inbox.
- Contact Deleted (instant)
Fires when a contact is deleted (event: contact.deleted).
- Contact Updated (instant)
Fires when a contact is updated (event: contact.updated).
- Email Bounced (instant)
Fires when an email bounces (event: email.bounced).
- Email Delivered (instant)
Fires when an email is delivered (event: email.delivered).
- New Contact (instant)
Fires when a contact is created (event: contact.created).
- New Inbound Email
Polls for newly received inbound emails.
- New Sent Email (instant)
Fires when an email is sent (event: email.sent).
- Add a broadcast
Create a new marketing broadcast.
- Add a contact
Create a new contact.
- Add a segment
Create a new manual contact segment.
- Add a template
Create a new email template.
- Add contacts to segment
Add contacts to an existing segment.
- Add suppression
Add an address to the suppression list.
- Cancel broadcast
Cancel an in-flight broadcast.
- Cancel email
Cancel a scheduled or queued email before it sends.
- Delete a contact
Delete a contact.
- Delete a template
Delete an email template.
- Get a contact
Fetch one contact by ID.
- Get a template
Fetch one email template by ID.
- Get broadcast
Retrieve one broadcast by its public id, including the HTML and text bodies that the list endpoint omits.
- Get email
Fetch one sent or queued email by ID.
- Get email events
Get the delivery event timeline for one email.
- Get inbound email
Fetch one received inbound email by ID.
- Import contacts
Bulk-import a CSV list of contacts.
- List broadcasts
List marketing broadcasts.
- List contacts
List contacts in the account.
- List emails
List sent, queued, and scheduled emails.
- List inbound emails
List emails received via inbound parsing.
- List segments
List contact segments.
- List suppressed addresses
List addresses on the suppression list.
- List templates
List email templates.
- Send an email
Send a transactional email through PostStack.
- Send broadcast
Start sending a broadcast to its recipients.
- Send emails in batch
Send up to 100 emails in a single request.
- Update a contact
Update an existing contact's fields.
- Update a template
Update an email template, creating a new version.
- Update email
Reschedule a queued email's send time.
- Validate email address
Check whether an email address is valid and deliverable.
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
More from Earth Class Mail
Earth Class Mail to HubSpotHubSpot is your all-in-one stop for all of your marketing software needs.
Earth Class Mail to SalesforceSalesforce is a leading enterprise customer relationship management (CRM) platform.
Earth Class Mail to SlackSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Earth Class Mail to Google SheetsGoogle Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.
Earth Class Mail to GmailGmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Earth Class Mail to Google CalendarGoogle Calendar is a time management tool providing scheduling features, event reminders, and integration...
More into PostStack
Google Drive to PostStackGoogle Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...
Mailchimp to PostStackMailchimp marketing automation and email platform.
Questions
Earth Class Mail and PostStack, answered
What can start an automation from Earth Class Mail?
Any of Earth Class Mail's 1 trigger in the catalog, including New Scan Completed. Describe the moment in plain language and your agent picks the right one.
What can your agent do in PostStack when something happens in Earth Class Mail?
Any of PostStack's 31 actions, including Send an email, Send broadcast, Send emails in batch and Update a contact. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from PostStack to Earth Class Mail?
Yes. When something happens in PostStack, your agent can act in Earth Class Mail too. This page covers both directions: PostStack's triggers and Earth Class Mail's actions are listed here as well.
Do I have to build a connector for Earth Class Mail or PostStack?
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 Earth Class Mail and PostStack 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.