diff --git a/files/config_template.yml b/files/config_template.yml
index 73db683..a42ff49 100644
--- a/files/config_template.yml
+++ b/files/config_template.yml
@@ -49,8 +49,20 @@ MATTERMOST:
   team: "your-mattermost-team-name" # The team name (not display name)
   channel: "your-mattermost-channel-name" # The channel name (not display name)
 
+# Basecamp configuration
+BASECAMP:
+  is_posting_on: true
+  access_token: "your-basecamp-access-token"
+  refresh_token: "your-basecamp-refresh-token"
+  client_id: "your-basecamp-client-id"
+  client_secret: "your-basecamp-client-secret"
+  account_id: "your-basecamp-account-id"
+  user_agent: "your-basecamp-user-agent"
+  bucket_id: "your-basecamp-bucket-id"
+  board_id: "your-basecamp-board-id"
+
+
 SLACK_TEST_CHANNEL_ID: "your-slack-test-channel-id" # not required so left outside of dictionary
 TELEGRAM_TEST_CHANNEL_ID: "your-slack-test-channel-id" # not required so left outside of dictionary
 MATTERMOST_TEST_CHANNEL_ID: "your-mattermost-test-channel-id" # not required so left outside of dictionary
-GOOGLE_TEST_SPREADSHEET_ID: "your-google-test-spreadsheet-id" # not required so left outside of dictionary
-
+GOOGLE_TEST_SPREADSHEET_ID: "your-google-test-spreadsheet-id" # not required so left outside of dictionary
\ No newline at end of file
diff --git a/src/PaperBee/daily_posting.py b/src/PaperBee/daily_posting.py
index 31054db..8c266a1 100644
--- a/src/PaperBee/daily_posting.py
+++ b/src/PaperBee/daily_posting.py
@@ -40,6 +40,7 @@ async def daily_papers_search(
     zulip_args = validate_platform_args(config, "ZULIP")
     telegram_args = validate_platform_args(config, "TELEGRAM")
     mattermost_args = validate_platform_args(config, "MATTERMOST")
+    basecamp_args = validate_platform_args(config, "BASECAMP")
 
     if telegram_args == {}:
         telegram_args = {"bot_token": "", "channel_id": "", "is_posting_on": False}
@@ -48,7 +49,18 @@ async def daily_papers_search(
     if slack_args == {}:
         slack_args = {"bot_token": "", "channel_id": "", "is_posting_on": False}
     if mattermost_args == {}:
-        mattermost_args = {"bot_token": "", "channel_id": "", "is_posting_on": False}
+        mattermost_args = {"url": "", "token": "", "team": "", "channel": "", "is_posting_on": False}
+
+    if basecamp_args == {}:
+        basecamp_args = {
+            "account_id": "",
+            "client_id": "",
+            "client_secret": "",
+            "user_agent": "",
+            "bucket_id": "",
+            "board_id": "",
+            "is_posting_on": False,
+        }
 
     llm_filtering = config.get("LLM_FILTERING", False)
     if llm_filtering:
@@ -85,16 +97,32 @@ async def daily_papers_search(
         mattermost_token=mattermost_args["token"],
         mattermost_team=mattermost_args["team"],
         mattermost_channel=mattermost_args["channel"],
+        basecamp_client_id=basecamp_args["client_id"],
+        basecamp_client_secret=basecamp_args["client_secret"],
+        basecamp_account_id=basecamp_args["account_id"],
+        basecamp_user_agent=basecamp_args["user_agent"],
+        basecamp_bucket_id=basecamp_args["bucket_id"],
+        basecamp_board_id=basecamp_args["board_id"],
+        basecamp_access_token=basecamp_args["access_token"],
+        basecamp_refresh_token=basecamp_args["refresh_token"],
         databases=databases,
     )
-    papers, response_slack, response_telegram, response_zulip, response_mattermost = await finder.run_daily(
+    (
+        papers,
+        response_slack,
+        response_telegram,
+        response_zulip,
+        response_mattermost,
+        response_basecamp,
+    ) = await finder.run_daily(
         post_to_slack=slack_args["is_posting_on"],
         post_to_telegram=telegram_args["is_posting_on"],
         post_to_zulip=zulip_args["is_posting_on"],
         post_to_mattermost=mattermost_args["is_posting_on"],
+        post_to_basecamp=basecamp_args["is_posting_on"],
     )
 
-    return papers, response_slack, response_telegram, response_zulip, response_mattermost
+    return papers, response_slack, response_telegram, response_zulip, response_mattermost, response_basecamp
 
 
 def main() -> None:
@@ -133,7 +161,7 @@ def main() -> None:
     # Dispatch to the appropriate subcommand
     if args.command == "post":
         config = load_config(args.config)
-        papers, _, _, _, _ = asyncio.run(
+        papers, _, _, _, _, _ = asyncio.run(
             daily_papers_search(
                 config,
                 interactive=args.interactive,
diff --git a/src/PaperBee/papers/basecamp_papers_formatter.py b/src/PaperBee/papers/basecamp_papers_formatter.py
new file mode 100644
index 0000000..c897f3a
--- /dev/null
+++ b/src/PaperBee/papers/basecamp_papers_formatter.py
@@ -0,0 +1,137 @@
+import html
+import time
+from datetime import datetime
+from logging import Logger
+from typing import Any, Dict, List
+
+import requests
+
+
+class BasecampPaperPublisher:
+    """
+    Publish papers (from a spreadsheet) to a Basecamp Message Board.
+
+    Args:
+        logger: logging.Logger instance.
+        account_id: Basecamp account id (the {ACCOUNT_ID} in URLs).
+        client_id, client_secret: OAuth credentials (from launchpad.37signals.com).
+        client_secret: OAuth credentials (from launchpad.37signals.com).
+        user_agent: string identifying your app (required by Basecamp).
+        bucket_id: Basecamp bucket id (the {BUCKET_ID} in URLs).
+        board_id: Basecamp board id (the {BOARD_ID} in URLs).
+        access_token: optional initial access token.
+        refresh_token: refresh token (used to obtain new access tokens).
+    """
+
+    LAUNCHPAD_AUTH_URL = "https://launchpad.37signals.com/authorization/token"
+    API_BASE = "https://3.basecampapi.com"
+
+    def __init__(
+        self,
+        logger: Logger,
+        account_id: str,
+        client_id: str,
+        client_secret: str,
+        user_agent: str,
+        bucket_id: str,
+        board_id: str,
+        access_token: str,
+        refresh_token: str,
+    ):
+        self.account_id = account_id
+        self.client_id = client_id
+        self.client_secret = client_secret
+        self.user_agent = user_agent
+        self.logger = logger
+        self.bucket_id = bucket_id
+        self.board_id = board_id
+        self.access_token = access_token
+        self.refresh_token = refresh_token
+        self._access_expires_at = 0  # epoch seconds when token expires (if known)
+
+        # small session for connection pooling
+        self._session = requests.Session()
+        self._session.headers.update({"User-Agent": user_agent, "Accept": "application/json"})
+
+    def _ensure_access_token(self) -> None:
+        """Ensure we have a valid access token; refresh if needed."""
+        if not self.access_token or time.time() >= self._access_expires_at - 30:
+            self.logger.debug("Refreshing Basecamp access token...")
+            self._refresh_access_token()
+
+    def _refresh_access_token(self) -> None:
+        """Refresh access token using refresh_token."""
+        if not self.refresh_token:
+            msg = "No refresh_token available."
+            raise RuntimeError(msg)
+
+        # NOTE(Rodrigo): {"type": "refresh"} as in https://github.com/basecamp/api/blob/master/sections/authentication.md
+        data = {
+            "type": "refresh",  # community examples use this type for refresh
+            "client_id": self.client_id,
+            "client_secret": self.client_secret,
+            "refresh_token": self.refresh_token,
+        }
+        resp = requests.post(self.LAUNCHPAD_AUTH_URL, data=data, headers={"User-Agent": self.user_agent}, timeout=30)
+        if resp.status_code != 200:
+            self.logger.error("Failed to refresh Basecamp token: %s %s", resp.status_code, resp.text)
+            resp.raise_for_status()
+        payload = resp.json()
+        self.access_token = payload.get("access_token")
+        expires_in = payload.get("expires_in")
+        if expires_in:
+            self._access_expires_at = time.time() + int(expires_in)
+        # if the server returned a new refresh_token, update it
+        if payload.get("refresh_token"):
+            self.refresh_token = payload["refresh_token"]
+
+        # update session auth header
+        self._session.headers.update({
+            "Authorization": f"Bearer {self.access_token}",
+            "Content-Type": "application/json; charset=utf-8",
+        })
+
+    @staticmethod
+    def _escape_html(text: str) -> str:
+        return html.escape(text)
+
+    def build_message(
+        self,
+        papers: List[List[str]],
+    ) -> str:
+        """
+        Build a simple HTML body for a Basecamp Message's `content` field.
+        Basecamp uses HTML rich text for message content.
+        """
+        parts = []
+        parts.append("<p><strong>Good morning ☕ Here are today's papers!</strong></p>")
+        # parts.append("<h3>Papers</h3><ul>")
+        parts.append("<ul>")
+        for p in papers:
+            title = p[4]
+            link = p[-1]
+            parts.append(f"<li><a href='{link}'>{self._escape_html(title)}</a></li>")
+        parts.append("</ul>")
+        # parts.append("<hr/>")
+        # parts.append("<p>Posted automatically by <code>paperbee</code></p>")
+        return "".join(parts)
+
+        # example: ['10.1101/2025.09.10.674954', '2025-09-17', '2025-09-16', 'TRUE', 'Differentiation hierarchy in adult B cell acute lymphoblastic leukemia at clonal resolution', '', None, 'https://doi.org/10.1101/2025.09.10.674954']
+
+    async def publish_papers(self, papers_list: List[List[str]]) -> Dict[str, Any]:
+        self._ensure_access_token()
+
+        # papers, preprints = self.format_papers(papers_list)
+        content_html = self.build_message(papers_list)
+
+        today_str = datetime.now().strftime("%d-%m-%Y")
+        body = {"subject": f"Papers from {today_str}", "content": content_html, "status": "active"}
+
+        url = f"{self.API_BASE}/{self.account_id}/buckets/{self.bucket_id}/message_boards/{self.board_id}/messages.json"
+        # self.session already has the headers, I think we don't need to pass them again
+        r = self._session.post(url, json=body)
+        if r.status_code not in (200, 201):
+            self.logger.error("Failed to create message: %s %s", r.status_code, r.text)
+            r.raise_for_status()
+            self.logger.info("Posted message to Basecamp board")
+        return r.json()
diff --git a/src/PaperBee/papers/papers_finder.py b/src/PaperBee/papers/papers_finder.py
index 350a268..fa7c1d9 100644
--- a/src/PaperBee/papers/papers_finder.py
+++ b/src/PaperBee/papers/papers_finder.py
@@ -9,6 +9,7 @@
 from slack_sdk import WebClient
 from tqdm import tqdm
 
+from .basecamp_papers_formatter import BasecampPaperPublisher
 from .cli import InteractiveCLIFilter
 from .google_sheet import GoogleSheetsUpdater
 from .llm_filtering import LLMFilter
@@ -77,6 +78,14 @@ def __init__(
         mattermost_token: str = "",
         mattermost_team: str = "",
         mattermost_channel: str = "",
+        basecamp_account_id: str = "",
+        basecamp_client_id: str = "",
+        basecamp_client_secret: str = "",
+        basecamp_user_agent: str = "",
+        basecamp_bucket_id: str = "",
+        basecamp_board_id: str = "",
+        basecamp_access_token: str = "",
+        basecamp_refresh_token: str = "",
         ncbi_api_key: str = "",
         databases: Optional[List[str]] = None,
     ) -> None:
@@ -127,6 +136,14 @@ def __init__(
         self.mattermost_token: str = mattermost_token
         self.mattermost_team: str = mattermost_team
         self.mattermost_channel: str = mattermost_channel
+        self.basecamp_account_id: str = basecamp_account_id
+        self.basecamp_client_id: str = basecamp_client_id
+        self.basecamp_client_secret: str = basecamp_client_secret
+        self.basecamp_user_agent: str = basecamp_user_agent
+        self.basecamp_bucket_id: str = basecamp_bucket_id
+        self.basecamp_board_id: str = basecamp_board_id
+        self.basecamp_access_token: str = basecamp_access_token
+        self.basecamp_refresh_token: str = basecamp_refresh_token
         # Logger
         self.logger = Logger("PapersFinder")
         # NCBI API
@@ -238,6 +255,7 @@ def update_google_sheet(self, processed_articles: pd.DataFrame, row: int = 2) ->
             credentials_json_path=self.google_credentials_json,
         )
         gsheet_cache = gsheet_updater.read_sheet_data(sheet_name=self.sheet_name)
+
         if gsheet_cache:
             published_dois = [article["DOI"] for article in gsheet_cache]
 
@@ -323,6 +341,27 @@ async def post_paper_to_mattermost(self, papers: List[List[str]]) -> Any:
         response = await mattermost_publisher.publish_papers(papers)
         return response
 
+    async def post_paper_to_basecamp(self, papers: List[List[str]]) -> Any:
+        """
+        Posts the papers to Basecamp.
+
+        Args:
+            papers (List[str]): List of papers to post to Basecamp.
+        """
+        basecamp_publisher = BasecampPaperPublisher(
+            Logger("BasecampPaperPublisher"),
+            account_id=self.basecamp_account_id,
+            client_id=self.basecamp_client_id,
+            client_secret=self.basecamp_client_secret,
+            user_agent=self.basecamp_user_agent,
+            bucket_id=self.basecamp_bucket_id,
+            board_id=self.basecamp_board_id,
+            access_token=self.basecamp_access_token,
+            refresh_token=self.basecamp_refresh_token,
+        )
+        response = await basecamp_publisher.publish_papers(papers)
+        return response
+
     def cleanup_files(self) -> None:
         """
         Deletes the search result files from the previous day to keep the directory clean.
@@ -352,6 +391,7 @@ async def run_daily(
         post_to_telegram: bool = False,
         post_to_zulip: bool = False,
         post_to_mattermost: bool = False,
+        post_to_basecamp: bool = False,
     ) -> Tuple[List[List[Any]], Any | None, Any | None, Any | None, Any | None]:
         """
         The main method to orchestrate finding, processing, and updating papers in a Google Sheet on a daily schedule.
@@ -372,6 +412,7 @@ async def run_daily(
         response_telegram = None
         response_zulip = None
         response_mattermost = None
+        response_basecamp = None
 
         if post_to_slack:
             response_slack = self.post_paper_to_slack(papers)
@@ -385,9 +426,12 @@ async def run_daily(
         if post_to_mattermost:
             response_mattermost = await self.post_paper_to_mattermost(papers)
 
+        if post_to_basecamp:
+            response_basecamp = await self.post_paper_to_basecamp(papers)
+
         self.cleanup_files()
 
-        return papers, response_slack, response_telegram, response_zulip, response_mattermost
+        return papers, response_slack, response_telegram, response_zulip, response_mattermost, response_basecamp
 
     def send_csv(self, user_id: str, user_query: str) -> Tuple[pd.DataFrame, Any]:
         """