diff --git a/caremyway/api/models.py b/caremyway/api/models.py
index 05652b5..76e1044 100644
--- a/caremyway/api/models.py
+++ b/caremyway/api/models.py
@@ -16,3 +16,27 @@ class Provider(models.Model):
     user = models.OneToOneField(User, on_delete=models.CASCADE)
     sin = models.CharField(max_length=16, blank=True)
 
+class Work(models.Model):
+    client = models.ForeignKey(Client, on_delete=models.CASCADE)
+    color = models.CharField(max_length=16, blank=True)
+    label = models.CharField(max_length=100, blank=True)
+
+class Manage(models.Model):
+    client = models.ForeignKey(Client, on_delete=models.CASCADE)
+    provider = models.ForeignKey(Provider, on_delete=models.CASCADE)
+    note = models.CharField(max_length=500, blank=True)
+
+class Price(models.Model):
+    client = models.ForeignKey(Client, on_delete=models.CASCADE)
+    provider = models.ForeignKey(Provider, on_delete=models.CASCADE)
+    work = models.ForeignKey(Work, on_delete=models.CASCADE)
+    amount = models.DecimalField(max_digits=8, decimal_places=2)
+
+class Shift(models.Model):
+    client = models.ForeignKey(Client, on_delete=models.CASCADE)
+    provider = models.ForeignKey(Provider, on_delete=models.CASCADE)
+    work = models.ForeignKey(Work, on_delete=models.CASCADE)
+    set_start = models.DateTimeField()
+    set_end = models.DateTimeField()
+    amount = models.DecimalField(max_digits=8, decimal_places=2)
+    description = models.CharField(max_length=100, blank=True)