Integration
Connect PostGrid Print & Mail and Returnless
When New Cheque fires in PostGrid Print & Mail, your agent runs Find customers in Returnless, or Request Created in Returnless to Create Contact in PostGrid Print & 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 PostGrid Print & Mail and Returnless 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 PostGrid Print & Mail and Returnless can do together
From PostGrid Print & Mail to Returnless
When New Cheque in PostGrid Print & Mail
then Find customers in Returnless
From Returnless to PostGrid Print & 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 PostGrid Print & Mail and Returnless
Triggers and actions 6 triggers · 33 actions
- New Cheque
Triggers when a new cheque is created in PostGrid.
- New Contact
Triggers when a new contact is created in PostGrid.
- New Letter
Triggers when a new letter is created in PostGrid.
- New Postcard
Triggers when a new postcard is created in PostGrid.
- Cancel Cheque
Cancels a PostGrid cheque that has not yet been printed.
- Cancel Letter
Cancels a PostGrid letter that has not yet been printed.
- Cancel Postcard
Cancels a PostGrid postcard that has not yet been printed.
- Create Cheque
Creates and mails a printed cheque through PostGrid, drawn on one of your saved bank accounts.
- Create Contact
Creates a contact (a mailing address) in PostGrid that letters, postcards and cheques can be sent to or from.
- Create Letter
Creates and sends a printed letter through PostGrid, from HTML, a saved template or a PDF link.
- Create Postcard
Creates and sends a printed postcard through PostGrid from front and back HTML, templates or a PDF link.
- Create Self Mailer
Creates and sends a folded self mailer through PostGrid from inside and outside HTML, templates or a PDF link.
- Create Template
Creates a reusable HTML template for PostGrid letters, postcards and self mailers.
- Delete Contact
Deletes a PostGrid contact.
- Find Contacts
Searches PostGrid contacts by a search term and returns the matching contacts.
- Get Cheque
Returns one PostGrid cheque and its delivery status by ID.
- Get Contact
Returns one PostGrid contact and its mailing address by ID.
- Get Letter
Returns one PostGrid letter and its delivery status by ID.
- Get Postcard
Returns one PostGrid postcard and its delivery status by ID.
- Get Self Mailer
Returns one PostGrid self mailer and its delivery status by ID.
- Get Template
Returns one PostGrid HTML template by ID.
- Request Created
Triggers when a customer creates a new return request that needs approval.
- Return Created
Triggers when a new return is created, including a request once it is approved.
- Add note
Adds an internal note to a return or return request.
- Add Request
Creates a return request in Returnless for items from an existing sales order.
- Approve a Request
Approves a return request in Returnless so the customer can send the items back.
- Approve a Request Without Shipment
Approves a pending return request without a return shipment, so the customer keeps the items.
- Find customers
Returns the customers in your Returnless account that match an email address.
- Find products
Returns the products in your Returnless account that match a SKU.
- Find Requests
Finds a Request in your Returnless account.
- Find Returns
Finds returns (return orders) in Returnless by return number.
- Find sales orders
Finds sales orders in Returnless by order number.
- Get customer
Returns a single Returnless customer by its id.
- Get Request (By Request ID)
Returns a single return request (return order) from Returnless by its ID.
- Get Return (By Return ID)
Returns a single return in Returnless, with all of its details, by its return ID.
- Get sales order
Returns a single sales order by its ID, including its customer, address and order details.
- List return reasons
Returns the return reasons configured in your Returnless account.
- Reject Request
Rejects a pending return request in Returnless.
- Update return
Changes the status of a return, such as Checked, Approved or Resolved.
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
PostGrid Print & Mail and Returnless, answered
What can start an automation from PostGrid Print & Mail?
Any of PostGrid Print & Mail's 4 triggers in the catalog, including New Cheque, New Contact, New Letter and New Postcard. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Returnless when something happens in PostGrid Print & Mail?
Any of Returnless's 16 actions, including Update return, Add note, Add Request and Approve a Request. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Returnless to PostGrid Print & Mail?
Yes. When something happens in Returnless, your agent can act in PostGrid Print & Mail too. This page covers both directions: Returnless's triggers and PostGrid Print & Mail's actions are listed here as well.
Do I have to build a connector for PostGrid Print & Mail or Returnless?
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 PostGrid Print & Mail and Returnless 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.