diff --git a/openbb_sdk/providers/fmp/openbb_fmp/models/earnings_calendar.py b/openbb_sdk/providers/fmp/openbb_fmp/models/earnings_calendar.py
index 5aaf0d5497e..987b52b6bbb 100644
--- a/openbb_sdk/providers/fmp/openbb_fmp/models/earnings_calendar.py
+++ b/openbb_sdk/providers/fmp/openbb_fmp/models/earnings_calendar.py
@@ -1,10 +1,10 @@
 """FMP Earnings Calendar fetcher."""
 
 
-from datetime import date as dateType
+from datetime import datetime
+
 from typing import Dict, List, Optional
 
-from openbb_provider.abstract.data import Data
 from openbb_provider.abstract.fetcher import Fetcher
 from openbb_provider.helpers import data_transformer
 from openbb_provider.models.earnings_calendar import (
@@ -14,30 +14,38 @@ from openbb_provider.models.earnings_calendar import (
 
 from openbb_fmp.utils.helpers import create_url, get_data_many
 
+from pydantic import validator
+
 
 class FMPEarningsCalendarQueryParams(EarningsCalendarQueryParams):
-    """FMP Earnings Calendar query.
+    """FMP Earnings Calendar Query.
 
     Source: https://site.financialmodelingprep.com/developer/docs/earnings-calendar-api/
-
-    Parameter
-    ---------
-    symbol : str
-        The symbol of the company.
-    limit : int
     """
 
 
-class FMPEarningsCalendarData(Data):
-    date: dateType
-    symbol: str
-    eps: Optional[float]
-    epsEstimated: Optional[float]
-    time: str
-    revenue: Optional[int]
-    revenueEstimated: Optional[int]
-    updatedFromDate: Optional[dateType]
-    fiscalDateEnding: dateType
+class FMPEarningsCalendarData(EarningsCalendarData):
+    """FMP Earnings Calendar Data."""
+
+    class Config:
+        fields = {
+            "eps_estimated": "epsEstimated",
+            "revenue_estimated": "revenueEstimated",
+            "updated_from_date": "updatedFromDate",
+            "fiscal_date_ending": "fiscalDateEnding",
+        }
+
+    @validator("date", pre=True, check_fields=False)
+    def date_validate(cls, v: str):  # pylint: disable=E0213
+        return datetime.strptime(v, "%Y-%m-%d") if v else None
+
+    @validator("updatedFromDate", pre=True, check_fields=False)
+    def updated_from_date_validate(cls, v: str):  # pylint: disable=E0213
+        return datetime.strptime(v, "%Y-%m-%d") if v else None
+
+    @validator("fiscalDateEnding", pre=True, check_fields=False)
+    def fiscal_date_ending_validate(cls, v: str):  # pylint: disable=E0213
+        return datetime.strptime(v, "%Y-%m-%d") if v else None
 
 
 class FMPEarningsCalendarFetcher(
diff --git a/openbb_sdk/sdk/provider/openbb_provider/models/earnings_calendar.py b/openbb_sdk/sdk/provider/openbb_provider/models/earnings_calendar.py
index 0669238fc1c..61a43d407c2 100644
--- a/openbb_sdk/sdk/provider/openbb_provider/models/earnings_calendar.py
+++ b/openbb_sdk/sdk/provider/openbb_provider/models/earnings_calendar.py
@@ -6,52 +6,37 @@ from typing import Optional
 
 from openbb_provider.abstract.data import Data, QueryParams
 from openbb_provider.models.base import BaseSymbol
+from openbb_provider.metadata import QUERY_DESCRIPTIONS, DATA_DESCRIPTIONS
+
+from pydantic import Field, NonNegativeFloat
 
 
 class EarningsCalendarQueryParams(QueryParams, BaseSymbol):
-    """Earnings calendar rating query model.
+    """Earnings calendar rating Query."""
 
-    Parameter
-    ---------
-    symbol : str
-        The symbol of the company.
-    limit : int
-    """
-
-    limit: Optional[int]
+    limit: Optional[int] = Field(
+        default=50, description=QUERY_DESCRIPTIONS.get("limit", "")
+    )
 
 
 class EarningsCalendarData(Data, BaseSymbol):
-    """Earnings calendar data.
+    """Earnings calendar Data."""
 
-    Returns
-    -------
-    symbol : str
-        The symbol of the asset.
-    date : date
-        The date of the earnings calendar.
-    eps : float
-        The EPS of the earnings calendar.
-    eps_estimated : float
-        The estimated EPS of the earnings calendar.
-    time : str
-        The time of the earnings calendar.
-    revenue : int
-        The revenue of the earnings calendar.
-    revenue_estimated : int
-        The estimated revenue of the earnings calendar.
-    updated_from_date : date
-        The updated from date of the earnings calendar.
-    fiscal_date_ending : date
-        The fiscal date ending of the earnings calendar.
-    """
-
-    date: dateType
-    symbol: str
-    eps: Optional[float]
-    eps_estimated: Optional[float]
-    time: str
-    revenue: Optional[int]
-    revenue_estimated: Optional[int]
-    updated_from_date: Optional[dateType]
-    fiscal_date_ending: dateType
+    date: dateType = Field(description=DATA_DESCRIPTIONS.get("date", ""))
+    eps: Optional[NonNegativeFloat] = Field(
+        description="The EPS of the earnings calendar."
+    )
+    eps_estimated: Optional[NonNegativeFloat] = Field(
+        description="The estimated EPS of the earnings calendar."
+    )
+    time: str = Field(description="The time of the earnings calendar.")
+    revenue: Optional[int] = Field(description="The revenue of the earnings calendar.")
+    revenue_estimated: Optional[int] = Field(
+        description="The estimated revenue of the earnings calendar."
+    )
+    updated_from_date: Optional[dateType] = Field(
+        description="The updated from date of the earnings calendar."
+    )
+    fiscal_date_ending: dateType = Field(
+        description="The fiscal date ending of the earnings calendar."
+    )