diff --git a/enrollments-events/app/boto3clients.py b/enrollments-events/app/boto3clients.py
index 05de43d..633c1b2 100644
--- a/enrollments-events/app/boto3clients.py
+++ b/enrollments-events/app/boto3clients.py
@@ -11,3 +11,4 @@ def get_dynamodb_client():
 
 
 dynamodb_client = get_dynamodb_client()
+sesv2_client = boto3.client('sesv2')
diff --git a/enrollments-events/app/config.py b/enrollments-events/app/config.py
index bdf9d6d..1aada9e 100644
--- a/enrollments-events/app/config.py
+++ b/enrollments-events/app/config.py
@@ -5,8 +5,9 @@ ORDER_TABLE: str = os.getenv('ORDER_TABLE')  # type: ignore
 ENROLLMENT_TABLE: str = os.getenv('ENROLLMENT_TABLE')  # type: ignore
 COURSE_TABLE: str = os.getenv('COURSE_TABLE')  # type: ignore
 
+EMAIL_SENDER = ('EDUSEG', 'noreply@eduseg.com.br')
 
-# Post-migration: remove the lines below
+# Post-migration: Remove the following lines
 if os.getenv('AWS_LAMBDA_FUNCTION_NAME'):
     SQLITE_DATABASE = 'courses_export_2025-06-18_110214.db'
 else:
diff --git a/enrollments-events/app/email_.py b/enrollments-events/app/email_.py
new file mode 100644
index 0000000..a625c98
--- /dev/null
+++ b/enrollments-events/app/email_.py
@@ -0,0 +1,64 @@
+from email.mime.application import MIMEApplication
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+from email.utils import formataddr
+from pathlib import Path
+
+
+class Message:
+    def __init__(
+        self,
+        from_: tuple[str | None, str],
+        to: tuple[str | None, str],
+        subject: str,
+        reply_to: tuple[str | None, str] | None = None,
+        content: str | None = None,
+    ) -> None:
+        self._references = set()
+        self._body = MIMEMultipart('alternative')
+        self._message = MIMEMultipart('mixed')
+        self._message['From'] = formataddr(from_)
+        self._message['To'] = formataddr(to)
+        self._message['Subject'] = subject
+        self._message.attach(self._body)
+
+        if reply_to:
+            self._message['Reply-To'] = formataddr(reply_to)
+
+        if content:
+            self.add_alternative(content, subtype='plain')
+
+    def add_header(self, name: str, value: str) -> None:
+        self._message.add_header(name, value)
+
+    def add_in_reply_to(self, message_id: str) -> None:
+        self._message['In-Reply-To'] = message_id
+        self._references.add(message_id)  # Add to set avoids duplicates
+
+    def add_alternative(
+        self,
+        text: str,
+        /,
+        subtype: str = 'html',
+        charset: str = 'utf-8',
+    ) -> None:
+        self._body.attach(MIMEText(text, subtype, charset))
+
+    def attach(self, path: Path, filename: str | None = None) -> None:
+        if not path.is_file():
+            return None
+
+        with path.open('rb') as fp:
+            part = MIMEApplication(fp.read())
+            part.add_header(
+                'Content-Disposition',
+                'attachment',
+                filename=filename or path.name,
+            )
+            self._message.attach(part)
+
+    def as_bytes(self) -> bytes:
+        if self._references:
+            self._message['References'] = ' '.join(self._references)
+
+        return self._message.as_bytes()
diff --git a/enrollments-events/app/events/emails/__init__.py b/enrollments-events/app/events/emails/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/enrollments-events/app/events/emails/reminder_no_access_3_days.py b/enrollments-events/app/events/emails/reminder_no_access_3_days.py
new file mode 100644
index 0000000..0628e22
--- /dev/null
+++ b/enrollments-events/app/events/emails/reminder_no_access_3_days.py
@@ -0,0 +1,94 @@
+from aws_lambda_powertools import Logger
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+from layercake.dateutils import now
+from layercake.dynamodb import ComposeKey, DynamoDBPersistenceLayer, KeyPair
+from layercake.strutils import first_word, truncate_str
+
+from boto3clients import dynamodb_client, sesv2_client
+from config import (
+    EMAIL_SENDER,
+    ENROLLMENT_TABLE,
+)
+from email_ import Message
+
+logger = Logger(__name__)
+enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
+
+
+SUBJECT = 'Seu curso de {course} está esperando por você na EDUSEG®'
+MESSAGE = """
+Oi {first_name}, tudo bem?<br/><br/>
+
+Há 3 dias você foi matriculado no curso de <b>{course}</b>, mas ainda não iniciou.<br/>
+Não perca a oportunidade de aprender e aproveitar ao máximo seu curso!<br/><br/>
+
+Clique no link abaixo para acessar seu curso:
+<a href="https://saladeaula.digital">https://saladeaula.digital</a>
+"""
+
+
+@event_source(data_class=EventBridgeEvent)
+@logger.inject_lambda_context
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
+    old_image = event.detail['old_image']
+    now_ = now()
+
+    # Post-migration: Remove the following lines
+    if 'email' not in old_image:
+        data = enrollment_layer.get_item(KeyPair(old_image['id'], '0'))
+        old_image['name'] = data['user']['name']
+        old_image['email'] = data['user']['email']
+        old_image['course'] = data['course']['name']
+
+    emailmsg = Message(
+        from_=EMAIL_SENDER,
+        to=(
+            old_image['name'],
+            old_image['email'],
+        ),
+        subject=SUBJECT.format(course=truncate_str(old_image['course'])),
+    )
+    emailmsg.add_alternative(
+        MESSAGE.format(
+            first_name=first_word(old_image['name']),
+            course=old_image['course'],
+        )
+    )
+
+    try:
+        sesv2_client.send_email(
+            Content={
+                'Raw': {
+                    'Data': emailmsg.as_bytes(),
+                },
+            }
+        )
+    except Exception as exc:
+        logger.exception(exc)
+        enrollment_layer.put_item(
+            item={
+                'id': old_image['id'],
+                'sk': ComposeKey('failed', 'schedules#reminder_no_access_3_days'),
+                # Post-migration: Uncomment the following line
+                # 'sk': ComposeKey('failed', old_image['sk']),
+                'created_at': now_,
+            }
+        )
+
+        return False
+    else:
+        enrollment_layer.put_item(
+            item={
+                'id': old_image['id'],
+                'sk': ComposeKey('completed', 'schedules#reminder_no_access_3_days'),
+                # Post-migration: Uncomment the following line
+                # 'sk': ComposeKey('completed', old_image['sk']),
+                'created_at': now_,
+            }
+        )
+
+        return True
diff --git a/enrollments-events/app/events/issue_cert.py b/enrollments-events/app/events/issue_cert.py
index 0ad0a73..e48c7d3 100644
--- a/enrollments-events/app/events/issue_cert.py
+++ b/enrollments-events/app/events/issue_cert.py
@@ -8,13 +8,11 @@ from layercake.dynamodb import DynamoDBPersistenceLayer
 
 from boto3clients import dynamodb_client
 from config import (
-    COURSE_TABLE,
     ENROLLMENT_TABLE,
 )
 
 logger = Logger(__name__)
 enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
-course_layer = DynamoDBPersistenceLayer(COURSE_TABLE, dynamodb_client)
 
 
 @event_source(data_class=EventBridgeEvent)
diff --git a/enrollments-events/template.yaml b/enrollments-events/template.yaml
index c84dee1..1393786 100644
--- a/enrollments-events/template.yaml
+++ b/enrollments-events/template.yaml
@@ -62,6 +62,36 @@ Resources:
                 new_image:
                   sk: ["0"]
 
+  EventReminderNoAccess3DaysFunction:
+    Type: AWS::Serverless::Function
+    Properties:
+      Handler: events.emails.reminder_no_access_3_days.lambda_handler
+      LoggingConfig:
+        LogGroup: !Ref EventLog
+      Policies:
+        - DynamoDBCrudPolicy:
+            TableName: !Ref EnrollmentTable
+        - Version: 2012-10-17
+          Statement:
+            - Effect: Allow
+              Action:
+                - ses:SendRawEmail
+              Resource:
+                - !Sub arn:aws:ses:${AWS::Region}:${AWS::AccountId}:identity/eduseg.com.br
+                - !Sub arn:aws:ses:${AWS::Region}:${AWS::AccountId}:configuration-set/tracking
+      Events:
+        DynamoDBEvent:
+          Type: EventBridgeRule
+          Properties:
+            Pattern:
+              resources: [!Ref EnrollmentTable]
+              detail-type: [EXPIRE]
+              detail:
+                keys:
+                  sk:
+                    - schedules#does_not_access
+                    - schedules#reminder_no_access_3_days
+
   EventIssueCertFunction:
     Type: AWS::Serverless::Function
     Properties:
diff --git a/enrollments-events/tests/conftest.py b/enrollments-events/tests/conftest.py
index 9bd2934..f4e9815 100644
--- a/enrollments-events/tests/conftest.py
+++ b/enrollments-events/tests/conftest.py
@@ -18,8 +18,6 @@ def pytest_configure():
     os.environ['COURSE_TABLE'] = PYTEST_TABLE_NAME
     os.environ['ORDER_TABLE'] = PYTEST_TABLE_NAME
     os.environ['ENROLLMENT_TABLE'] = PYTEST_TABLE_NAME
-    # Post-migration: remove it
-    os.environ['OLD_ENROLLMENT_TABLE'] = PYTEST_TABLE_NAME
 
 
 @dataclass
diff --git a/enrollments-events/tests/events/emails/__init__.py b/enrollments-events/tests/events/emails/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/enrollments-events/tests/events/emails/test_reminder_no_access_3_days.py b/enrollments-events/tests/events/emails/test_reminder_no_access_3_days.py
new file mode 100644
index 0000000..2af4193
--- /dev/null
+++ b/enrollments-events/tests/events/emails/test_reminder_no_access_3_days.py
@@ -0,0 +1,19 @@
+import app.events.emails.reminder_no_access_3_days as app
+from aws_lambda_powertools.utilities.typing import LambdaContext
+
+
+def test_reminder_no_access_3_days(
+    dynamodb_client,
+    dynamodb_seeds,
+    lambda_context: LambdaContext,
+):
+    event = {
+        'detail': {
+            'new_image': {
+                'id': '47ZxxcVBjvhDS5TE98tpfQ',
+                'sk': 'schedules#reminder_no_access_3_days',
+            }
+        }
+    }
+
+    assert app.lambda_handler(event, lambda_context)
diff --git a/http-api/app/routes/courses/__init__.py b/http-api/app/routes/courses/__init__.py
index ef9d0c7..7eda42a 100644
--- a/http-api/app/routes/courses/__init__.py
+++ b/http-api/app/routes/courses/__init__.py
@@ -31,7 +31,7 @@ user_layer = DynamoDBPersistenceLayer(USER_TABLE, dynamodb_client)
 )
 def get_courses():
     event = router.current_event
-    query = event.get_query_string_value('query', '')
+    query = event.get_query_string_value('q', '')
     sort = event.get_query_string_value('sort', 'create_date:desc')
     page = int(event.get_query_string_value('page', '1'))
     hits_per_page = int(event.get_query_string_value('hitsPerPage', '25'))
diff --git a/order-events/app/config.py b/order-events/app/config.py
index 7b13358..5d3ab5d 100644
--- a/order-events/app/config.py
+++ b/order-events/app/config.py
@@ -5,7 +5,7 @@ ORDER_TABLE: str = os.getenv('ORDER_TABLE')  # type: ignore
 COURSE_TABLE: str = os.getenv('COURSE_TABLE')  # type: ignore
 ENROLLMENT_TABLE: str = os.getenv('ENROLLMENT_TABLE')  # type: ignore
 
-# Post-migration: remove the lines below
+# Post-migration: Remove the following lines
 if os.getenv('AWS_LAMBDA_FUNCTION_NAME'):
     SQLITE_DATABASE = 'courses_export_2025-06-18_110214.db'
 else:
diff --git a/order-events/app/events/assign_tenant_cnpj.py b/order-events/app/events/assign_tenant_cnpj.py
index f795c55..29ac53b 100644
--- a/order-events/app/events/assign_tenant_cnpj.py
+++ b/order-events/app/events/assign_tenant_cnpj.py
@@ -64,4 +64,6 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
             },
         )
 
+        logger.info('IDs updated')
+
     return True
diff --git a/order-events/app/events/remove_slots_if_canceled.py b/order-events/app/events/remove_slots_if_canceled.py
index fc9d6f0..527bfef 100644
--- a/order-events/app/events/remove_slots_if_canceled.py
+++ b/order-events/app/events/remove_slots_if_canceled.py
@@ -32,7 +32,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
 
     result = enrollment_layer.collection.query(
         KeyPair(
-            # Post-migration: uncomment the following line
+            # Post-migration: Uncomment the following line
             # ComposeKey(tenant_id, prefix='slots#org'),
             ComposeKey(tenant_id, prefix='vacancies'),
             order_id,
@@ -45,10 +45,12 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
         for pair in result['items']:
             batch.delete_item(
                 Key={
-                    # Post-migration: rename `vacancies` to `slots#org`
+                    # Post-migration: Rename `vacancies` to `slots#org`
                     'id': {'S': ComposeKey(pair['id'], prefix='vacancies')},
                     'sk': {'S': pair['sk']},
                 }
             )
 
+        logger.info('Slots deleted')
+
     return True
diff --git a/order-events/app/events/set_as_expired.py b/order-events/app/events/set_as_expired.py
index 4c6d0ef..4432676 100644
--- a/order-events/app/events/set_as_expired.py
+++ b/order-events/app/events/set_as_expired.py
@@ -6,6 +6,7 @@ from aws_lambda_powertools.utilities.data_classes import (
 from aws_lambda_powertools.utilities.typing import LambdaContext
 from layercake.dateutils import now
 from layercake.dynamodb import (
+    ComposeKey,
     DynamoDBPersistenceLayer,
     KeyPair,
 )
@@ -41,7 +42,23 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
         )
     except Exception:
         logger.info('Failed to update status to EXPIRED', order_id=new_image['id'])
+        order_layer.put_item(
+            item={
+                'id': new_image['id'],
+                'sk': ComposeKey('failed', prefix=new_image['sk']),
+                'created_at': now_,
+            }
+        )
+
         return False
     else:
         logger.info('Status set to EXPIRED', order_id=new_image['id'])
+        order_layer.put_item(
+            item={
+                'id': new_image['id'],
+                'sk': ComposeKey('completed', prefix=new_image['sk']),
+                'created_at': now_,
+            }
+        )
+
         return True
diff --git a/order-events/app/events/stopgap/patch_items.py b/order-events/app/events/stopgap/patch_items.py
index 6fa9599..35f9f9b 100644
--- a/order-events/app/events/stopgap/patch_items.py
+++ b/order-events/app/events/stopgap/patch_items.py
@@ -1,5 +1,6 @@
 import json
 import sqlite3
+from decimal import ROUND_HALF_UP, Decimal
 
 from aws_lambda_powertools import Logger
 from aws_lambda_powertools.utilities.data_classes import (
@@ -33,9 +34,15 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
 
     for item in items:
         course = _get_course(item['id'])
+        unit_price = Decimal(item['unit_price'])
 
         new_items.append(
             item
+            | {
+                'unit_price': unit_price.quantize(
+                    Decimal('0.01'), rounding=ROUND_HALF_UP
+                )
+            }
             | (
                 {
                     'id': course.get('metadata__betaeducacao_id'),
diff --git a/order-events/tests/events/stopgap/test_schedule_expired.py b/order-events/tests/events/stopgap/test_schedule_expired.py
index e8625cc..2e90ad2 100644
--- a/order-events/tests/events/stopgap/test_schedule_expired.py
+++ b/order-events/tests/events/stopgap/test_schedule_expired.py
@@ -21,11 +21,14 @@ def test_schedule_expired(
         }
     }
 
-    assert app.lambda_handler(event, lambda_context)
-    assert {
+    assert app.lambda_handler(event, lambda_context)  # type: ignore
+
+    expected = {
         'sk': 'schedules#set_as_expired',
         'ttl': Decimal('1751715285'),
         'id': '123',
-    } == dynamodb_persistence_layer.get_item(
+    }
+    r = dynamodb_persistence_layer.get_item(
         key=KeyPair('123', 'schedules#set_as_expired')
     )
+    assert r['ttl'] == expected['ttl']
diff --git a/order-events/tests/events/test_assign_tenant_cnpj.py b/order-events/tests/events/test_assign_tenant_cnpj.py
index 93094bd..290c213 100644
--- a/order-events/tests/events/test_assign_tenant_cnpj.py
+++ b/order-events/tests/events/test_assign_tenant_cnpj.py
@@ -21,8 +21,7 @@ def test_assign_tenant_cnpj(
 
     assert app.lambda_handler(event, lambda_context)  # type: ignore
 
-    result = dynamodb_persistence_layer.collection.query(
+    r = dynamodb_persistence_layer.collection.query(
         PartitionKey('9omWNKymwU5U4aeun6mWzZ')
     )
-
-    assert 3 == len(result['items'])
+    assert 2 == len(r['items'])
diff --git a/order-events/tests/seeds.jsonl b/order-events/tests/seeds.jsonl
index 14ced81..af1097c 100644
--- a/order-events/tests/seeds.jsonl
+++ b/order-events/tests/seeds.jsonl
@@ -1,7 +1,6 @@
 {"id": {"S": "cJtK9SsnJhKPyxESe7g3DG"}, "sk": {"S": "metadata#payment_policy"}, "due_days": {"N": "90"}}
 {"id": {"S": "cJtK9SsnJhKPyxESe7g3DG"}, "sk": {"S": "metadata#billing_policy"}, "billing_day": {"N": "1"}, "payment_method": {"S": "PIX"}}
 {"id": {"S": "9omWNKymwU5U4aeun6mWzZ"}, "sk": {"S": "0"}, "total": {"N": "398"}, "status": {"S": "PENDING"}, "payment_method": {"S": "MANUAL"}, "tenant": {"S": "cJtK9SsnJhKPyxESe7g3DG"}}
-{"id": {"S": "9omWNKymwU5U4aeun6mWzZ"}, "sk": {"S": "0"}, "total": {"N": "398"}, "status": {"S": "PENDING"}, "payment_method": {"S": "MANUAL"}, "tenant": {"S": "cJtK9SsnJhKPyxESe7g3DG"}}
 {"id": {"S": "cnpj"}, "sk": {"S": "15608435000190"}, "user_id": {"S": "cJtK9SsnJhKPyxESe7g3DG"}}
 {"id": {"S": "email"}, "sk": {"S": "sergio@somosbeta.com.br"}, "user_id": {"S": "5OxmMjL-ujoR5IMGegQz"}}
 {"id": {"S": "5OxmMjL-ujoR5IMGegQz"}, "sk": {"S": "0"}, "name": {"S": "Sérgio R Siqueira"}}