diff --git a/wallet-fetcher/metadata.yaml b/wallet-fetcher/metadata.yaml
index 0e5602d..57339e9 100644
--- a/wallet-fetcher/metadata.yaml
+++ b/wallet-fetcher/metadata.yaml
@@ -10,7 +10,7 @@ data:
   connectorSubtype: api
   connectorType: source
   definitionId: 1e55cfe0-f591-4281-9a20-18d89d45f685
-  dockerImageTag: 0.9.1
+  dockerImageTag: 1.0.1
   dockerRepository: status-im/airbyte/wallet-fetcher
   githubIssueLabel: source-wallet-fetcher
   icon: icon.svg
diff --git a/wallet-fetcher/source_wallet_fetcher/source.py b/wallet-fetcher/source_wallet_fetcher/source.py
index 4d8160f..f6325c1 100644
--- a/wallet-fetcher/source_wallet_fetcher/source.py
+++ b/wallet-fetcher/source_wallet_fetcher/source.py
@@ -24,7 +24,9 @@ class SourceWalletFetcher(AbstractSource):
                 bitcoin_wallets.append(wallet)
             if 'ETH' in wallet['blockchain']:
                 ethereum_wallets.append(wallet)
-
+        api_key='freekey'
+        if "api_key" in config:
+            api_key=config["api_key"]
         return [
             BitcoinToken(wallets=bitcoin_wallets),
-            EthereumToken(wallets=ethereum_wallets)]
+            EthereumToken(wallets=ethereum_wallets, api_key=api_key)]
diff --git a/wallet-fetcher/source_wallet_fetcher/spec.yaml b/wallet-fetcher/source_wallet_fetcher/spec.yaml
index bbc5f3e..7868abd 100644
--- a/wallet-fetcher/source_wallet_fetcher/spec.yaml
+++ b/wallet-fetcher/source_wallet_fetcher/spec.yaml
@@ -7,6 +7,11 @@ connectionSpecification:
     - wallets
   additionalProperties: true
   properties:
+    api_key:
+      title: api_key
+      type: string
+      description: 'API key for ethplorer'
+      airbyte_secret: true
     wallets:
       title: Wallets
       description: "List of wallet to scan"
diff --git a/wallet-fetcher/source_wallet_fetcher/stream.py b/wallet-fetcher/source_wallet_fetcher/stream.py
index 600cda9..38d5e83 100644
--- a/wallet-fetcher/source_wallet_fetcher/stream.py
+++ b/wallet-fetcher/source_wallet_fetcher/stream.py
@@ -13,9 +13,10 @@ class BlockchainStream(HttpStream):
    primary_key = None
 
 
-   def __init__(self, wallets:  List['str'], **kwargs):
+   def __init__(self, wallets: List['str'], api_key: str='freekey', **kwargs):
         super().__init__(**kwargs)
         self.wallets = wallets
+        self.api_key = api_key
 
    def stream_slices(self, **kwargs) -> Iterable[Optional[Mapping[str, Any]]]:
         for wallet in self.wallets:
@@ -74,7 +75,7 @@ class EthereumToken(BlockchainStream):
     url_base = "https://api.ethplorer.io/getAddressInfo/"
 
     def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
-        return f"{stream_slice['address']}?apiKey=freekey"
+        return f"{stream_slice['address']}?apiKey={self.api_key}"
 
     def parse_response(self,
         response: requests.Response,