diff --git a/CHANGELOG.md b/CHANGELOG.md
index df37289..eabb6c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- Support [ipapi.co](https://ipapi.co/json/)
 ## [0.3] - 2025-05-19
 ### Added
 - `is_ipv4` function
diff --git a/README.md b/README.md
index 71ee288..51c895d 100644
--- a/README.md
+++ b/README.md
@@ -147,7 +147,7 @@ Public IP and Location Info:
 
 #### IPv4 API
 
-ℹ️ `ipv4-api` valid choices: [`auto`, `ipapi`, `ipinfo`, `ipsb`, `identme`, `tnedime`]
+ℹ️ `ipv4-api` valid choices: [`auto`, `ipapi`, `ipinfo`, `ipsb`, `identme`, `tnedime`, `ipapi_co`]
 
 ℹ️ The default value: `auto`
 
diff --git a/ipspot/ipv4.py b/ipspot/ipv4.py
index a07c751..d235bef 100644
--- a/ipspot/ipv4.py
+++ b/ipspot/ipv4.py
@@ -112,6 +112,39 @@ def _ipsb_ipv4(geo: bool=False, timeout: Union[float, Tuple[float, float]]
         return {"status": False, "error": str(e)}
 
 
+def _ipapi_co_ipv4(geo: bool=False, timeout: Union[float, Tuple[float, float]]
+                   =5) -> Dict[str, Union[bool, Dict[str, Union[str, float]], str]]:
+    """
+    Get public IP and geolocation using ipapi.co.
+
+    :param geo: geolocation flag
+    :param timeout: timeout value for API
+    """
+    try:
+        with requests.Session() as session:
+            session.mount("http://", IPv4HTTPAdapter())
+            session.mount("https://", IPv4HTTPAdapter())
+            response = session.get("https://ipapi.co/json/", headers=REQUEST_HEADERS, timeout=timeout)
+            response.raise_for_status()
+            data = response.json()
+            result = {"status": True, "data": {"ip": data.get("ip"), "api": "ipapi.co"}}
+            if geo:
+                geo_data = {
+                    "city": data.get("city"),
+                    "region": data.get("region"),
+                    "country": data.get("country_name"),
+                    "country_code": data.get("country_code"),
+                    "latitude": data.get("latitude"),
+                    "longitude": data.get("longitude"),
+                    "organization": data.get("org"),
+                    "timezone": data.get("timezone")
+                }
+                result["data"].update(geo_data)
+            return result
+    except Exception as e:
+        return {"status": False, "error": str(e)}
+
+
 def _ipapi_ipv4(geo: bool=False, timeout: Union[float, Tuple[float, float]]
                 =5) -> Dict[str, Union[bool, Dict[str, Union[str, float]], str]]:
     """
@@ -258,6 +291,7 @@ def get_public_ipv4(api: IPv4API=IPv4API.AUTO, geo: bool=False,
         IPv4API.IPSB: _ipsb_ipv4,
         IPv4API.IPAPI: _ipapi_ipv4,
         IPv4API.IPINFO: _ipinfo_ipv4,
+        IPv4API.IPAPI_CO: _ipapi_co_ipv4
     }
 
     if api == IPv4API.AUTO:
diff --git a/ipspot/params.py b/ipspot/params.py
index bd88cc6..5dfe0e3 100644
--- a/ipspot/params.py
+++ b/ipspot/params.py
@@ -23,6 +23,7 @@ class IPv4API(Enum):
 
     AUTO = "auto"
     IPAPI = "ipapi"
+    IPAPI_CO = "ipapi_co"
     IPINFO = "ipinfo"
     IPSB = "ipsb"
     IDENTME = "identme"
diff --git a/tests/test_ipv4.py b/tests/test_ipv4.py
index 4323830..493c874 100644
--- a/tests/test_ipv4.py
+++ b/tests/test_ipv4.py
@@ -93,6 +93,25 @@ def test_public_ipv4_auto_net_error():
         assert not result["status"]
         assert result["error"] == "All attempts failed."
 
+def test_public_ipv4_ipapi_co_success():
+    result = get_public_ipv4(api=IPv4API.IPAPI_CO, geo=True)
+    assert result["status"]
+    assert is_ipv4(result["data"]["ip"])
+    assert set(result["data"].keys()) == DATA_ITEMS
+    assert result["data"]["api"] == "ipapi.co"
+
+
+def test_public_ipv4_ipapi_co_timeout_error():
+    result = get_public_ipv4(api=IPv4API.IPAPI_CO, geo=True, timeout="5")
+    assert not result["status"]
+
+
+def test_public_ipv4_ipapi_co_net_error():
+    with mock.patch.object(requests.Session, "get", side_effect=Exception("No Internet")):
+        result = get_public_ipv4(api=IPv4API.IPAPI_CO)
+        assert not result["status"]
+        assert result["error"] == "No Internet"
+
 
 def test_public_ipv4_ipapi_success():
     result = get_public_ipv4(api=IPv4API.IPAPI, geo=True)