# Connect Returnless to Lettermint

When **Request Created** fires in [Returnless](https://apiant.ai/connections/returnless), your agent runs **List projects** in [Lettermint](https://apiant.ai/connections/lettermint). Describe the whole flow and it is built, tested on every scenario and kept running.

Returnless **2** triggers Returnless **16** actions Lettermint **8** actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

## What do you want Returnless and Lettermint to do together?

Give your AI client this address.

`https://mcp.apiant.ai`

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.ai`

Start Claude Code there, approve the server, and sign in in the browser page it opens.

[Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code)

### 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)](https://apiant.ai/docs/mcp)

### 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)](https://apiant.ai/docs/mcp)

### Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### 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)](https://apiant.ai/docs/mcp)

### 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)](https://apiant.ai/docs/mcp)

Example flows

## What Returnless can start in Lettermint

- When **Request Created** in Returnless then **List projects** in Lettermint
- When **Return Created** in Returnless then **Add domain** in Lettermint

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 Returnless and Lettermint

## Triggers and actions 2 triggers · 24 actions

- Trigger

**Request Created**

Triggers when a customer creates a new return request that needs approval.

- Trigger

**Return Created**

Triggers when a new return is created, including a request once it is approved.

- Action

**Add note**

Adds an internal note to a return or return request.

- Action

**Add Request**

Creates a return request in Returnless for items from an existing sales order.

- Action

**Approve a Request**

Approves a return request in Returnless so the customer can send the items back.

- Action

**Approve a Request Without Shipment**

Approves a pending return request without a return shipment, so the customer keeps the items.

- Action

**Find customers**

Returns the customers in your Returnless account that match an email address.

- Action

**Find products**

Returns the products in your Returnless account that match a SKU.

- Action

**Find Requests**

Finds a Request in your Returnless account.

- Action

**Find Returns**

Finds returns (return orders) in Returnless by return number.

- Action

**Find sales orders**

Finds sales orders in Returnless by order number.

- Action

**Get customer**

Returns a single Returnless customer by its id.

- Action

**Get Request (By Request ID)**

Returns a single return request (return order) from Returnless by its ID.

- Action

**Get Return (By Return ID)**

Returns a single return in Returnless, with all of its details, by its return ID.

- Action

**Get sales order**

Returns a single sales order by its ID, including its customer, address and order details.

- Action

**List return reasons**

Returns the return reasons configured in your Returnless account.

- Action

**Reject Request**

Rejects a pending return request in Returnless.

- Action

**Update return**

Changes the status of a return, such as Checked, Approved or Resolved.

- Action

**Add domain**

Adds a new sending domain to your Lettermint team and returns the DNS records needed to verify it.

- Action

**Add suppression**

Adds one email address, or up to 1,000 addresses, to the team, project or route suppression list so Lettermint stops sending to them.

- Action

**Delete domain**

Deletes a sending domain from your Lettermint team.

- Action

**Delete suppression**

Removes an email address from the team's suppression list so it can be mailed again. Spam complaint suppressions stay active while Lettermint reviews the removal.

- Action

**Get domain**

Returns the details of a Lettermint sending domain, optionally including its DNS records and associated projects.

- Action

**List domains**

Returns the sending domains on your Lettermint team, optionally filtered by project, status or name.

- Action

**List projects**

Returns the projects in your Lettermint team, optionally filtered by a search term and sorted.

- Action

**List suppressions**

Returns the suppressed email addresses and domains on your team, with their reason, scope and dates.

## Each app on its own

- [ **Returnless** Returnless gives e-commerce businesses a way to get their returns in check.](https://apiant.ai/connections/returnless)
- [ **Lettermint** Lettermint is an EU-based transactional email delivery service.](https://apiant.ai/connections/lettermint)

Reviews

## What our customers say

## More from Returnless

- [ **Returnless to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/returnless-to-salesforce)
- [ **Returnless to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/returnless-to-slack)
- [ **Returnless to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/returnless-to-stripe)
- [ **Returnless to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/returnless-to-shopify)
- [ **Returnless to Trello** Trello is a visual collaboration tool that organizes projects into boards, lists, and cards.](https://apiant.ai/connect/returnless-to-trello)
- [ **Returnless to Zoom** Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based...](https://apiant.ai/connect/returnless-to-zoom)

## More into Lettermint

- [ **HubSpot to Lettermint** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-lettermint)
- [ **Salesforce to Lettermint** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-lettermint)
- [ **Slack to Lettermint** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-lettermint)
- [ **Google Sheets to Lettermint** Google Sheets](https://apiant.ai/connect/google-sheets-to-lettermint)
- [ **Gmail to Lettermint** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-lettermint)
- [ **Google Calendar to Lettermint** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-lettermint)

Questions

## Returnless and Lettermint, answered

###

### What can start an automation from Returnless?

Any of Returnless's 2 triggers in the catalog, including Request Created and Return Created. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in Lettermint when something happens in Returnless?

Any of Lettermint's 8 actions, including Add domain, Add suppression, Get domain and List domains. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from Lettermint to Returnless?

Lettermint has no triggers in the catalog today, so automations start in Returnless. If you need the other direction, ask: your agent reads Lettermint's API documentation and adds it.

###

### Do I have to build a connector for Returnless or Lettermint?

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.
