diff --git a/freqtrade/rpc/api_server/api_schemas.py b/freqtrade/rpc/api_server/api_schemas.py
index c9ff0ddaf..268d50fdb 100644
--- a/freqtrade/rpc/api_server/api_schemas.py
+++ b/freqtrade/rpc/api_server/api_schemas.py
@@ -144,6 +144,7 @@ class OrderTypes(BaseModel):
 
 class ShowConfig(BaseModel):
     version: str
+    api_version: float
     dry_run: bool
     stake_currency: str
     stake_amount: Union[float, str]
diff --git a/freqtrade/rpc/api_server/api_v1.py b/freqtrade/rpc/api_server/api_v1.py
index 06230a7db..0467e4705 100644
--- a/freqtrade/rpc/api_server/api_v1.py
+++ b/freqtrade/rpc/api_server/api_v1.py
@@ -26,6 +26,11 @@ from freqtrade.rpc.rpc import RPCException
 
 logger = logging.getLogger(__name__)
 
+# API version
+# Pre-1.1, no version was provided
+# Version increments should happen in "small" steps (1.1, 1.12, ...) unless big changes happen.
+API_VERSION = 1.1
+
 # Public API, requires no auth.
 router_public = APIRouter()
 # Private API, protected by authentication
@@ -117,7 +122,9 @@ def show_config(rpc: Optional[RPC] = Depends(get_rpc_optional), config=Depends(g
     state = ''
     if rpc:
         state = rpc._freqtrade.state
-    return RPC._rpc_show_config(config, state)
+    resp = RPC._rpc_show_config(config, state)
+    resp['api_version'] = API_VERSION
+    return resp
 
 
 @router.post('/forcebuy', response_model=ForceBuyResponse, tags=['trading'])
diff --git a/tests/rpc/test_rpc_apiserver.py b/tests/rpc/test_rpc_apiserver.py
index 074e312d9..76372df55 100644
--- a/tests/rpc/test_rpc_apiserver.py
+++ b/tests/rpc/test_rpc_apiserver.py
@@ -538,6 +538,8 @@ def test_api_show_config(botclient):
     assert 'ask_strategy' in rc.json()
     assert 'unfilledtimeout' in rc.json()
     assert 'version' in rc.json()
+    assert 'api_version' in rc.json()
+    assert 1.1 <= rc.json()['api_version'] <= 1.2
 
 
 def test_api_daily(botclient, mocker, ticker, fee, markets):