# Connect BigMailer and Returnless When **New Contact** fires in [BigMailer](https://apiant.ai/connections/bigmailer), your agent runs **Find customers** in [Returnless](https://apiant.ai/connections/returnless), or **Request Created** in Returnless to **Add/Update Contact** in BigMailer. Describe the whole flow and it is built, tested on every scenario and kept running. BigMailer **1** trigger BigMailer **35** actions Returnless **2** triggers Returnless **16** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want BigMailer and Returnless 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 BigMailer and Returnless can do together ### From BigMailer to Returnless - When **New Contact** in BigMailer then **Find customers** in Returnless - When **New Contact** in BigMailer then **Add note** in Returnless ### From Returnless to BigMailer - When **Request Created** in Returnless then **Add/Update Contact** in BigMailer - When **Return Created** in Returnless then **Create a bulk campaign** in BigMailer 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 BigMailer and Returnless ## Triggers and actions 3 triggers · 51 actions - Trigger **New Contact** Triggered when a new contact is created in a BigMailer brand. - Action **Add/Update Contact** Creates a BigMailer contact, or updates the existing contact with that email address. Custom fields for the selected brand can be mapped alongside list membership and unsubscribe settings. - Action **Create a bulk campaign** Creates a bulk email campaign in a BigMailer brand — name, subject, sender, content, recipient lists, tracking and optional schedule. - Action **Create an RSS campaign** Creates an RSS-to-email campaign in a BigMailer brand: watches a feed URL and emails new items on the schedule you choose. - Action **Create a transactional campaign** Creates a transactional campaign in a BigMailer brand — the reusable email template and settings you later send one-off emails with. - Action **Create list** Creates a new contact list inside a BigMailer brand. - Action **Create segment** Creates a segment in a BigMailer brand: a saved set of conditions that picks out the contacts you want to target. - Action **Create template** Creates a reusable email or landing-page template in a BigMailer brand. - Action **Delete contact** Deletes a contact from a BigMailer brand, by contact ID or email address. - Action **Delete list** Deletes a contact list from a BigMailer brand. - Action **Delete segment** Deletes a segment from a BigMailer brand. - Action **Delete template** Deletes a template from a BigMailer brand. - Action **Get brand** Returns one BigMailer brand: its name, default sender, bounce settings, contact count and engagement stats. - Action **Get bulk campaign** Returns one bulk campaign from a BigMailer brand, including its content, recipients and send statistics. - Action **Get contact** Returns one BigMailer contact by ID or email address, including its custom field values. - Action **Get list** Returns one contact list from a BigMailer brand. - Action **Get RSS campaign** Returns one RSS campaign from a BigMailer brand, including its feed URL, schedule and content. - Action **Get segment** Returns one segment from a BigMailer brand, including the conditions that define it. - Action **Get template** Returns one template from a BigMailer brand, including its HTML. - Action **Get transactional campaign** Returns one transactional campaign from a BigMailer brand, including its content and send statistics. - Action **List brands** Lists the brands in your BigMailer account. - Action **List bulk campaigns** Lists the bulk campaigns in a BigMailer brand. - Action **List contacts** Lists the contacts in a BigMailer brand, optionally limited to one list. - Action **List lists** Lists the contact lists in a BigMailer brand. - Action **List RSS campaigns** Lists the RSS campaigns in a BigMailer brand. - Action **List segments** Lists the segments in a BigMailer brand. - Action **List senders** Lists the sending identities in a BigMailer brand. - Action **List templates** Lists the templates in a BigMailer brand. - Action **List transactional campaigns** Lists the transactional campaigns in a BigMailer brand. - Action **Update a bulk campaign** Updates an existing bulk campaign in a BigMailer brand. Only the fields you fill in are changed. - Action **Update an RSS campaign** Updates an existing RSS campaign in a BigMailer brand. Only the fields you fill in are changed. - Action **Update a transactional campaign** Updates an existing transactional campaign in a BigMailer brand. Only the fields you fill in are changed. - Action **Update brand** Updates an existing BigMailer brand — its name, default sender name and email, website URL, unsubscribe text, bounce thresholds, contact limit and logo. Only the fields you fill in are changed. - Action **Update list** Renames an existing contact list inside a BigMailer brand. - Action **Update segment** Updates an existing BigMailer segment — its name, match operator (all/any) and its list of conditions. Only the fields you fill in are changed. - Action **Update template** Updates an existing BigMailer template — its name, type, HTML content and account-wide sharing. Only the fields you fill in are changed. - 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. ## Each app on its own - [ **BigMailer** BigMailer is email marketing software for agencies and developers.](https://apiant.ai/connections/bigmailer) - [ **Returnless** Returnless gives e-commerce businesses a way to get their returns in check.](https://apiant.ai/connections/returnless) Reviews ## What our customers say ## More from BigMailer - [ **BigMailer to MINDBODY** MINDBODY is a powerful business management software that combines your scheduling, task automation...](https://apiant.ai/connect/bigmailer-to-mindbody) - [ **BigMailer to Salesmap** SalesMap is a data-driven CRM for sales growth.](https://apiant.ai/connect/bigmailer-to-salesmap) - [ **BigMailer to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/bigmailer-to-hubspot) - [ **BigMailer to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/bigmailer-to-salesforce) - [ **BigMailer to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/bigmailer-to-slack) - [ **BigMailer to Google Sheets** Google Sheets](https://apiant.ai/connect/bigmailer-to-google-sheets) ## More into Returnless - [ **HubSpot to Returnless** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-returnless) - [ **Google Sheets to Returnless** Google Sheets](https://apiant.ai/connect/google-sheets-to-returnless) - [ **Gmail to Returnless** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-returnless) - [ **Google Calendar to Returnless** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-returnless) - [ **Google Drive to Returnless** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-returnless) - [ **Mailchimp to Returnless** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-returnless) Questions ## BigMailer and Returnless, answered ### ### What can start an automation from BigMailer? Any of BigMailer's 1 trigger in the catalog, including New Contact. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Returnless when something happens in BigMailer? 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 BigMailer? Yes. When something happens in Returnless, your agent can act in BigMailer too. This page covers both directions: Returnless's triggers and BigMailer's actions are listed here as well. ### ### Do I have to build a connector for BigMailer 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. ### ### 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.