--- title: "Connect Cheddar to Mailjet - APIANT.ai" description: "When \"New Bill Reminder\" fires in Cheddar, your agent runs \"Add Contact to List\" in Mailjet." canonical: "https://apiant.ai/connect/cheddar-to-mailjet" --- # Connect Cheddar to Mailjet When **New Bill Reminder** fires in [Cheddar](https://apiant.ai/connections/cheddar), your agent runs **Add Contact to List** in [Mailjet](https://apiant.ai/connections/mailjet). Describe the whole flow and it is built, tested on every scenario and kept running. Cheddar **8** triggers Mailjet **3** triggers Mailjet **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 Cheddar and Mailjet to do together? Give your AI client this address. `https://mcp.apiant.ai` One 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.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 Cheddar can start in Mailjet - When **New Bill Reminder** in Cheddar then **Add Contact to List** in Mailjet - When **New Subscription** in Cheddar then **Create Contact** in Mailjet 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 Cheddar and Mailjet ## Triggers and actions 11 triggers · 16 actions - Trigger **New Bill Reminder** The bill reminder event occurs prior to recurring invoice execution according to your configuration. Up to two reminder events are possible. - Trigger **New Customer Delete** A customer record was deleted. - Trigger **New Subscription** The New Subscription event occurs when a new customer is created in Cheddar. - Trigger **New Subscription Billable** The subscription billable event occurs prior to recurring invoice execution. Last chance to update item quantities, add custom charges/credits, etc. - Trigger **New Subscription Cancellation** Subscription was canceled. - Trigger **New Subscription Change** Subscription pricing plan change occured (upgrade/downgrade). - Trigger **New Subscription Reactivation** A previously canceled subscription has been reactivated. - Trigger **New Transaction** A transaction has been executed or a transaction's status has changed. - Trigger **New Contact** Polls for newly created contacts across the account. - Trigger **New Contact in List** Polls for contacts newly added to a specific contact list. - Trigger **New Contact List** Polls for newly created contact lists. - Action **Add Contact to List** Add (subscribe) a contact to a contact list via managecontact. - Action **Create Contact** Create a new contact. - Action **Create Contact List** Create a new contact list. - Action **Create Contact Property** Create a custom contact property (contactmetadata). - Action **Delete Contact List** Delete a contact list by ID. - Action **Get Contact** Retrieve a contact by ID or email address. - Action **Get Contact Data** Returns all the contact property values stored on a Mailjet contact. An error occurs if the contact is not found. - Action **Get Contact List** Retrieve a contact list by ID. - Action **Get Contacts in List** List contacts belonging to a specific contact list. - Action **Get Message** Retrieve a message by its ID. - Action **Get Statistics** Retrieve aggregated message/campaign statistics counters. - Action **List Contact Lists** List all contact lists. - Action **List Contacts** List contacts with optional pagination. - Action **Remove Contact from List** Unsubscribe/remove a contact from a contact list via managecontact. - Action **Send Email** Send a transactional or marketing email via the Send API v3.1. - Action **Update Contact** Update a contact's name or campaign-exclusion status. ## Each app on its own - [ **Cheddar** Recurring billing, SaaS subscription management, automated communication, and market intelligence.](https://apiant.ai/connections/cheddar) - [ **Mailjet** Mailjet is an all-in-one solution to send, track and deliver transactional, notification and marketing emails.](https://apiant.ai/connections/mailjet) Reviews ## What our customers say ## More from Cheddar - [ **Cheddar to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/cheddar-to-hubspot) - [ **Cheddar to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/cheddar-to-salesforce) - [ **Cheddar to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/cheddar-to-slack) - [ **Cheddar to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/cheddar-to-google-sheets) - [ **Cheddar to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/cheddar-to-gmail) - [ **Cheddar to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/cheddar-to-google-calendar) ## More into Mailjet - [ **Mailchimp to Mailjet** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-mailjet) - [ **ActiveCampaign to Mailjet** ActiveCampaign is a marketing automation, email marketing, and CRM platform.](https://apiant.ai/connect/activecampaign-to-mailjet) - [ **JIRA to Mailjet** Atlassian JIRA Cloud — issue tracking and project management.](https://apiant.ai/connect/jira-to-mailjet) - [ **Twilio to Mailjet** Cloud communications platform for sending SMS/MMS messages, making and managing voice calls, and looking up...](https://apiant.ai/connect/twilio-to-mailjet) - [ **Freshdesk to Mailjet** Freshdesk is a cloud-based customer support and helpdesk platform.](https://apiant.ai/connect/freshdesk-to-mailjet) - [ **Klaviyo to Mailjet** Klaviyo is a marketing automation platform for email and SMS.](https://apiant.ai/connect/klaviyo-to-mailjet) Questions ## Cheddar and Mailjet, answered ### ### What can start an automation from Cheddar? Any of Cheddar's 8 triggers in the catalog, including New Bill Reminder, New Customer Delete, New Subscription and New Subscription Billable. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Mailjet when something happens in Cheddar? Any of Mailjet's 16 actions, including Create Contact, Create Contact List, Create Contact Property and Send Email. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Mailjet to Cheddar? Mailjet has no triggers in the catalog today, so automations start in Cheddar. If you need the other direction, ask: your agent reads Mailjet's API documentation and adds it. ### ### Do I have to build a connector for Cheddar or Mailjet? 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 Cheddar and Mailjet without building an automation? Yes. With your AI client connected to APIANT, ask it to do something in Mailjet 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.