diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..ca5b84f
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,4 @@
+# v1.0.0
+
+- Initial release
+- Add in All-Time Low
diff --git a/v3/types/model.go b/v3/types/model.go
index c1208b4..7e4fa15 100644
--- a/v3/types/model.go
+++ b/v3/types/model.go
@@ -78,6 +78,9 @@ type MarketDataItem struct {
 	ATH                                    AllCurrencies     `json:"ath"`
 	ATHChangePercentage                    AllCurrencies     `json:"ath_change_percentage"`
 	ATHDate                                map[string]string `json:"ath_date"`
+	ATL                                    AllCurrencies     `json:"atl"`
+	ATLChangePercentage                    AllCurrencies     `json:"atl_change_percentage"`
+	ATLDate                                map[string]string `json:"atl_date"`
 	MarketCap                              AllCurrencies     `json:"market_cap"`
 	MarketCapRank                          uint16            `json:"market_cap_rank"`
 	TotalVolume                            AllCurrencies     `json:"total_volume"`
diff --git a/v3/v3.go b/v3/v3.go
index 7af17f8..bf893e7 100755
--- a/v3/v3.go
+++ b/v3/v3.go
@@ -126,6 +126,9 @@ func (c *Client) SimpleSupportedVSCurrencies() (*types.SimpleSupportedVSCurrenci
 	}
 	var data *types.SimpleSupportedVSCurrencies
 	err = json.Unmarshal(resp, &data)
+	if err != nil {
+		return nil, err
+	}
 	return data, nil
 }