--- title: "Connect Bread & Butter to Resend - APIANT.ai" description: "When \"New Authentication\" fires in Bread & Butter, your agent runs \"Add Contact to Segment\" in Resend." canonical: "https://apiant.ai/connect/bread-butter-to-resend" --- # Connect Bread & Butter to Resend When **New Authentication** fires in [Bread & Butter](https://apiant.ai/connections/bread-butter), your agent runs **Add Contact to Segment** in [Resend](https://apiant.ai/connections/resend). Describe the whole flow and it is built, tested on every scenario and kept running. Bread & Butter **6** triggers Bread & Butter **23** actions Resend **28** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Bread & Butter and Resend 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 Bread & Butter can start in Resend - When **New Authentication** in Bread & Butter then **Add Contact to Segment** in Resend - When **New Contact Us Submission** in Bread & Butter then **Create Contact** in Resend 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 Bread & Butter and Resend ## Triggers and actions 6 triggers · 51 actions - Trigger **New Authentication** Triggers every time a user signs in. - Trigger **New Contact Us Submission** Triggers when a user submits the Contact Us tool. - Trigger **New Custom Fields** Triggers when a user submits the Custom Fields for Registration. - Trigger **New Custom User Event** Triggers when a user subscribes to custom events, selected in the triggers section below. - Trigger **New Email Captured** Triggers when a user enters their email address, or signs in with SSO for the first time. - Trigger **New Profile Verified** Triggers when a user signs in for the first time. - Action **Add contact us submission** Records a Contact Us submission from a visitor's device in a Bread & Butter app. - Action **Add event** Records an event (such as a page view or custom event code) for a device in a Bread & Butter app. - Action **Add form submission** Records a form submission from a visitor's device in a Bread & Butter app, capturing their email, name and any extra form fields. - Action **Add lead list** Creates a lead list in a Bread & Butter app from a set of leads, returning the new list with its lead count and credit quote. - Action **Add tag** Creates a new tag in a Bread & Butter app. - Action **Add user custom values** Saves custom field values (key/value pairs) for a visitor in a Bread & Butter app. - Action **Create custom event definition** Creates a custom event definition in a Bread & Butter app, which users can then trigger and which can be subscribed to. - Action **Create webhook** Subscribes a webhook URL to a Bread & Butter event so Bread & Butter posts each new occurrence to it. Returns the id of the new subscription. - Action **Delete tag** Deletes a tag from a Bread & Butter app. - Action **Get credit balance** Returns the credit balance for a Bread & Butter app, including credits used this period, the monthly allowance and pending enrichments. - Action **Get device profile** Returns the sign-in options and the visitor's profile state for one registered device. - Action **Get lead list** Returns a Bread & Butter lead list by its ID, including its processing status, lead counts and credit usage. - Action **Identify user** Identifies an anonymous visitor's device as a known person in a Bread & Butter app by attaching their email address and name. - Action **List app triggers** Returns the triggers set up in a Bread & Butter app, including webhook subscriptions, with their kind, filters and activity state. - Action **List custom event definitions** Returns the event definitions configured in a Bread & Butter app, optionally filtered to enabled or disabled ones. - Action **List Events** Returns the events recorded in a Bread & Butter app — sign-ins, page views, custom events, form submissions and more — optionally narrowed to one user or a date range. - Action **List lead lists** Returns all lead lists in a Bread & Butter app, including each list's status, lead counts and credit usage. - Action **List tags** Returns every tag defined in a Bread & Butter app, with each tag's id and name. - Action **List user events** Returns the page views and events (sign-ins, custom events, form submissions and more) a user recorded during one of their sessions in a Bread & Butter app. - Action **List users** Returns the users (visitors and leads) recorded in a Bread & Butter app, optionally narrowed to one email address or user state. - Action **List user sessions** Lists the sessions of one Bread & Butter user, newest first, with each session's ID, start time, location, device and page view count. - Action **Record external authentication** Records that a visitor signed in through your own login system, linking their device to the user with that email address. - Action **Update user lead status** Updates a user's lead status in a Bread & Butter app by setting their lead status rank. - Action **Add Contact to Segment** Adds a contact to a Resend segment. You can identify the contact by its ID or email address. - Action **Add Suppression** Adds an email address to your Resend suppression list so no further mail is sent to it. - Action **Cancel Email** Cancels a scheduled Resend email that has not been sent yet. - Action **Create API Key** Creates a new Resend API key. The key itself is returned once, so store it right away. - Action **Create Contact** Creates a contact in Resend. Returns the new contact's ID. - Action **Create Domain** Adds a sending domain to Resend. Returns the DNS records you need to add at your domain host to verify it. - Action **Create Segment** Creates a new segment in Resend for grouping contacts. - Action **Delete API Key** Deletes a Resend API key so it can no longer be used. - Action **Delete Contact** Deletes a contact from Resend. You can identify the contact by its ID or email address. - Action **Delete Domain** Removes a sending domain from Resend. - Action **Delete Segment** Deletes a segment from Resend. The contacts themselves are not deleted. - Action **List API Keys** Returns the API keys on your Resend account, with each key's name and when it was last used. The key values themselves are never returned. - Action **List Contacts** Returns the contacts in your Resend account, optionally limited to one segment. - Action **List Domains** Returns the sending domains on your Resend account and each one's verification status. - Action **List Segments** Returns the contact segments in your Resend account. - Action **List Sent Emails** Returns the emails you have sent through Resend, newest first, with each email's id, sender, recipients, subject, send time and latest delivery event. Supports paging before or after a given email id. - Action **List Suppressions** Returns the email addresses on your Resend suppression list, showing for each one the address, why it was suppressed (bounce, complaint or added manually), the email that triggered it and when it was added. - Action **Remove Contact From Segment** Removes a contact from one of your Resend segments. Identify the contact by its ID or by its email address, and name the segment to take it out of. The contact itself is not deleted. - Action **Remove Suppression** Takes an email address off your Resend suppression list so you can send to it again. Identify it by the suppression ID or by the email address itself. - Action **Retrieve Contact** Returns one contact from your Resend audience, including their name, email address, whether they have unsubscribed, when they were added, and any custom properties stored on them. Look the contact up by its ID or by its email address. - Action **Retrieve Domain** Returns one of your Resend sending domains, including its name, verification status, sending region, tracking settings and the DNS records it needs with each record's current status. - Action **Retrieve Segment** Returns one of your Resend segments by its ID, with the segment's name and when it was created. - Action **Retrieve Sent Email** Returns one email you sent through Resend, with its sender, recipients, subject, HTML and text body, tags, send time and latest delivery event. - Action **Send Batch Emails** Sends up to 100 emails through Resend in a single call. Give it a list of emails, each with a sender, recipients, subject and body, and it returns the id of every email it created. - Action **Send Email** Sends an email through Resend. Set the sender, recipients and subject, provide an HTML or plain text body, and optionally add CC/BCC, reply-to, attachments, tags or a send time. - Action **Update Contact** Updates a contact in your Resend audience. Identify the contact by ID or email address, then change the name, the subscribed/unsubscribed state, or the custom properties. Anything you leave blank stays as it is. - Action **Update Email** Reschedules an email you already queued in Resend, moving it to a new send date and time. Only emails that have not gone out yet can be changed. - Action **Verify Domain** Asks Resend to re-check the DNS records for one of your sending domains and start verifying it. Verification runs in the background, so the domain shows as pending until it finishes. ## Each app on its own - [ **Bread & Butter** Augment your lead funnel with first-party data.](https://apiant.ai/connections/bread-butter) - [ **Resend** Resend is the email API for developers. It's designed for you to build, test, and send transactional and...](https://apiant.ai/connections/resend) Reviews ## What our customers say ## More from Bread & Butter - [ **Bread & Butter to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/bread-butter-to-hubspot) - [ **Bread & Butter to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/bread-butter-to-salesforce) - [ **Bread & Butter to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/bread-butter-to-slack) - [ **Bread & Butter to Google Sheets** Google Sheets](https://apiant.ai/connect/bread-butter-to-google-sheets) - [ **Bread & Butter to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/bread-butter-to-gmail) - [ **Bread & Butter to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/bread-butter-to-google-calendar) ## More into Resend - [ **Documenso to Resend** Documenso is an open-source digital signing platform.](https://apiant.ai/connect/documenso-to-resend) - [ **Google BigQuery to Resend** BigQuery is Google's serverless and highly scalable enterprise data warehouse, designed to make all your...](https://apiant.ai/connect/google-bigquery-to-resend) - [ **HubSpot to Resend** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-resend) - [ **Salesforce to Resend** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-resend) - [ **Slack to Resend** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-resend) - [ **Google Sheets to Resend** Google Sheets](https://apiant.ai/connect/google-sheets-to-resend) Questions ## Bread & Butter and Resend, answered ### ### What can start an automation from Bread & Butter? Any of Bread & Butter's 6 triggers in the catalog, including New Authentication, New Contact Us Submission, New Custom Fields and New Custom User Event. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Resend when something happens in Bread & Butter? Any of Resend's 28 actions, including Create API Key, Create Contact, Create Domain and Create Segment. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Resend to Bread & Butter? Resend has no triggers in the catalog today, so automations start in Bread & Butter. If you need the other direction, ask: your agent reads Resend's API documentation and adds it. ### ### Do I have to build a connector for Bread & Butter or Resend? 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 Bread & Butter and Resend 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.