diff --git a/joboffers/publishers/mastodon/__init__.py b/joboffers/publishers/mastodon/__init__.py
new file mode 100644
index 0000000..1e4415d
--- /dev/null
+++ b/joboffers/publishers/mastodon/__init__.py
@@ -0,0 +1,48 @@
+import logging
+
+from django.conf import settings
+from mastodon import Mastodon, errors
+
+from joboffers.utils import hash_secret
+from joboffers.publishers import Publisher
+
+
+def _repr_credentials():
+    """Show a string representation of mastodon credentials."""
+    # Need to convert to string, in case they are strings or they are not set
+    credentials_repr = (
+        f' MASTODON_AUTH_TOKEN: {hash_secret(settings.MASTODON_AUTH_TOKEN)} '
+        f' MASTODON_API_BASE_URL: {hash_secret(settings.MASTODON_API_BASE_URL)} '
+    )
+    return credentials_repr
+
+
+ERROR_LOG_MESSAGE = (
+    'Falló al querer tootear con las siguientes credenciales (hasheadas): %s - Error: %s'
+)
+
+
+class MastodonPublisher(Publisher):
+    """Mastodon Publisher."""
+
+    name = 'Mastodon'
+
+    def _push_to_api(self, message: str, title: str, link: str):
+        """Publish a message to mastodon."""
+        mastodon = Mastodon(
+            access_token=settings.MASTODON_AUTH_TOKEN,
+            api_base_url=settings.MASTODON_API_BASE_URL,
+        )
+
+        try:
+            mastodon.status_post(message)
+        except errors.MastodonUnauthorizedError as err:
+            status = None
+            logging.error(ERROR_LOG_MESSAGE, _repr_credentials(), err)
+        except Exception as err:
+            status = None
+            logging.error("Unknown error when tooting: %s", repr(err))
+        else:
+            status = 200
+
+        return status
diff --git a/joboffers/publishers/mastodon/template.html b/joboffers/publishers/mastodon/template.html
new file mode 100644
index 0000000..62ee88a
--- /dev/null
+++ b/joboffers/publishers/mastodon/template.html
@@ -0,0 +1,3 @@
+Oferta:
+{{ job_offer.short_description }}
+{{ job_offer.get_full_url }}
diff --git a/joboffers/tests/test_mastodon_publisher.py b/joboffers/tests/test_mastodon_publisher.py
new file mode 100644
index 0000000..26d2f42
--- /dev/null
+++ b/joboffers/tests/test_mastodon_publisher.py
@@ -0,0 +1,60 @@
+from unittest.mock import patch
+
+import mastodon
+
+from ..publishers.mastodon import MastodonPublisher
+
+DUMMY_MESSAGE = 'message'
+DUMMY_TITLE = 'title'
+DUMMY_LINK = 'https://example.com'
+
+
+class DummyAPIBad:
+    def __init__(self, to_raise):
+        self.to_raise = to_raise
+
+    def status_post(self, *args, **kwargs):
+        raise self.to_raise
+
+
+class DummyAPIOK:
+    def status_post(*args, **kwargs):
+        return
+
+
+@patch('joboffers.publishers.mastodon.Mastodon')
+def test_push_to_api_bad_credentials(mock_api, settings, caplog):
+    """Test exception when the credentials are wrong."""
+    mock_api.return_value = DummyAPIBad(mastodon.errors.MastodonUnauthorizedError("bad auth"))
+    settings.MASTODON_AUTH_TOKEN = "wrong"
+    settings.MASTODON_API_BASE_URL = "creds"
+
+    status = MastodonPublisher()._push_to_api(DUMMY_MESSAGE, DUMMY_TITLE, DUMMY_LINK)
+    assert status is None
+
+    expected_error_message = "Falló al querer tootear con las siguientes credenciales (hasheadas)"
+    assert expected_error_message in caplog.text
+
+
+@patch('joboffers.publishers.mastodon.Mastodon')
+def test_push_to_api_generic_error(mock_api, settings, caplog):
+    """Something went wrong."""
+    mock_api.return_value = DummyAPIBad(ValueError("boom"))
+    settings.MASTODON_AUTH_TOKEN = "good"
+    settings.MASTODON_API_BASE_URL = "creds"
+
+    status = MastodonPublisher()._push_to_api(DUMMY_MESSAGE, DUMMY_TITLE, DUMMY_LINK)
+    assert status is None
+
+    expected_error_message = "Unknown error when tooting: ValueError"
+    assert expected_error_message in caplog.text
+
+
+@patch('joboffers.publishers.mastodon.Mastodon')
+def test_push_to_api_ok(mock_api, settings):
+    mock_api.return_value = DummyAPIOK
+    settings.MASTODON_AUTH_TOKEN = "good"
+    settings.MASTODON_API_BASE_URL = "creds"
+
+    status = MastodonPublisher()._push_to_api(DUMMY_MESSAGE, DUMMY_TITLE, DUMMY_LINK)
+    assert status == 200