--- title: "Connect Basecamp 3 and Reply - APIANT.ai" description: "When \"New Project\" fires in Basecamp 3, your agent runs \"Add contact list\" in Reply, or \"New Email Opened\" in Reply to \"Get project\" in Basecamp 3." canonical: "https://apiant.ai/connect/basecamp-3-to-reply" --- # Connect Basecamp 3 and Reply When **New Project** fires in [Basecamp 3](https://apiant.ai/connections/basecamp-3), your agent runs **Add contact list** in [Reply](https://apiant.ai/connections/reply), or **New Email Opened** in Reply to **Get project** in Basecamp 3. Describe the whole flow and it is built, tested on every scenario and kept running. Basecamp 3 **3** triggers Basecamp 3 **5** actions Reply **7** triggers Reply **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 Basecamp 3 and Reply 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 Basecamp 3 and Reply can do together ### From Basecamp 3 to Reply - When **New Project** in Basecamp 3 then **Add contact list** in Reply - When **New To-do** in Basecamp 3 then **Add note to contact** in Reply ### From Reply to Basecamp 3 - When **New Email Opened** in Reply then **Get project** in Basecamp 3 - When **New Emails Sent** in Reply then **List projects** in Basecamp 3 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 Basecamp 3 and Reply ## Triggers and actions 10 triggers · 21 actions - Trigger **New Project** Polling trigger that fires when a new project is created in the Basecamp account. - Trigger **New To-do** Instant (webhook) trigger that fires when a new to-do is created in the selected Basecamp project. Basecamp POSTs a webhook event payload; the kind is filtered to todo_created and the recording (the to-do) is surfaced. - Trigger **New To-do in any project** Instant (webhook) trigger that fires when a new to-do is created in any Basecamp project. Basecamp POSTs a webhook event payload; the kind is filtered to todo_created and the recording (the to-do) is surfaced. - Action **Create Webhook** Creates a webhook subscription in a Basecamp project (bucket), delivering events to a payload URL. Returns the webhook id and details. - Action **Delete Webhook** Deletes a registered webhook from a Basecamp project (bucket). Returns the deleted webhook id. - Action **Get project** Retrieves a single Basecamp project by its ID, including its tools (dock) and people summary. - Action **List people** Lists every person visible to the connected user on the Basecamp account. - Action **List projects** Lists the projects visible to the connected user, most recently created first, optionally filtered by status. - Trigger **Inbox Category Set for Reply** Triggers when an email reply in Reply is given an inbox category, automatically or by a user. - Trigger **New Email Opened** Triggers when a contact opens a tracked email sent from Reply. - Trigger **New Emails Sent** Triggers when Reply sends an email from a sequence step. - Trigger **New Link Clicked** Triggers when a recipient clicks a tracked link in an email sent from Reply. - Trigger **New Person Bounce** Triggers when an email sent from Reply bounces or is rejected by the recipient's mail server. - Trigger **New Person Opt Out** Triggers when a contact opts out of outreach in Reply (unsubscribe link, manual opt-out, or marked Do Not Contact). - Trigger **Prospect Finished** Triggers when a contact's participation in a Reply sequence ends — completed, replied, bounced, opted out, or finished manually. - Action **Add contact list** Creates a new contact list in Reply, optionally shared with your team. - Action **Add note to contact** Adds a note to a contact's timeline in Reply. - Action **Add sequence** Creates a new sequence in Reply with its steps, schedule, sending accounts and settings. - Action **Create\Update Person** Creates a Reply contact, or updates the existing contact with the same email address. - Action **Delete contact** Deletes a contact from your Reply account. - Action **Find contacts by criteria** Returns the contacts that match a search term and/or field rules, optionally scoped to a contact list, sequence or sequence step. - Action **Get contact** Returns one Reply contact by its id, including profile details, owner, opt-out, call and meeting status, stage and custom fields. - Action **Get sequence** Returns one sequence in full: name, status, owner, schedule, settings, connected email and LinkedIn accounts, and its steps. - Action **List contact lists** Returns the contact lists you own plus those shared with your team, optionally filtered by name. - Action **List contacts** Returns your Reply contacts, optionally narrowed to one email address or LinkedIn profile URL. - Action **List inbox categories** Returns the inbox categories you can file conversations under. - Action **List Sequence Contacts** Returns the contacts enrolled in a sequence, with each contact's status, current step, added date, opt-out and call status. - Action **List sequences** Returns the sequences in your Reply account, optionally filtered by status, owner, folder, archive state or name. - Action **Mark as Finished** Marks one or more contacts as finished in every sequence they are in, so they receive no further sequence steps. - Action **Remove Person From Campaign** Removes a contact from a sequence so they stop progressing through it. The contact and their history stay in your Reply account. - Action **Send Test Webhook Event** Sends a test event from an existing Reply webhook subscription to its configured URL. ## Each app on its own - [ **Basecamp 3** Basecamp 3 is a project management and team collaboration tool by 37signals.](https://apiant.ai/connections/basecamp-3) - [ **Reply** Reply is a sales automation platform that puts outreach on autopilot, while still making each communication...](https://apiant.ai/connections/reply) Reviews ## What our customers say ## More from Basecamp 3 - [ **Basecamp 3 to Chartimagegenerator** Edge-rendered chart image API that converts Chart.js configurations into cached PNG/SVG images.](https://apiant.ai/connect/basecamp-3-to-chartimagegenerator) - [ **Basecamp 3 to FreeAgent** FreeAgent is cloud accounting software for small businesses and freelancers — manage contacts, invoices...](https://apiant.ai/connect/basecamp-3-to-freeagent) - [ **Basecamp 3 to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/basecamp-3-to-hubspot) - [ **Basecamp 3 to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/basecamp-3-to-salesforce) - [ **Basecamp 3 to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/basecamp-3-to-slack) - [ **Basecamp 3 to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/basecamp-3-to-google-sheets) ## More into Reply - [ **HubSpot to Reply** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-reply) - [ **Google Sheets to Reply** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-reply) - [ **Gmail to Reply** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-reply) - [ **Google Calendar to Reply** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-reply) - [ **Google Drive to Reply** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-reply) - [ **Mailchimp to Reply** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-reply) Questions ## Basecamp 3 and Reply, answered ### ### What can start an automation from Basecamp 3? Any of Basecamp 3's 3 triggers in the catalog, including New Project, New To-do and New To-do in any project. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Reply when something happens in Basecamp 3? Any of Reply's 16 actions, including Create\Update Person, Send Test Webhook Event, Add contact list and Add note to contact. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Reply to Basecamp 3? Yes. When something happens in Reply, your agent can act in Basecamp 3 too. This page covers both directions: Reply's triggers and Basecamp 3's actions are listed here as well. ### ### Do I have to build a connector for Basecamp 3 or Reply? 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 Basecamp 3 and Reply 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.