diff -r 083d33bb419b -r 408aa794d9bb api.go
--- a/api.go	Sun Apr 30 20:42:02 2017 +0200
+++ b/api.go	Sun Apr 30 20:43:17 2017 +0200
@@ -51,13 +51,13 @@
 			}
 			lp = new(LimitParams)
 			if since != "" {
-				lp.SinceID, err = strconv.Atoi(since)
+				lp.SinceID, err = strconv.ParseInt(since, 10, 64)
 				if err != nil {
 					return al, err
 				}
 			}
 			if max != "" {
-				lp.MaxID, err = strconv.Atoi(max)
+				lp.MaxID, err = strconv.ParseInt(max, 10, 64)
 				if err != nil {
 					return al, err
 				}
@@ -178,10 +178,10 @@
 			params["limit"] = strconv.Itoa(limitOptions.Limit)
 		}
 		if limitOptions.SinceID > 0 {
-			params["since_id"] = strconv.Itoa(limitOptions.SinceID)
+			params["since_id"] = strconv.FormatInt(limitOptions.SinceID, 10)
 		}
 		if limitOptions.MaxID > 0 {
-			params["max_id"] = strconv.Itoa(limitOptions.MaxID)
+			params["max_id"] = strconv.FormatInt(limitOptions.MaxID, 10)
 		}
 	}