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+# API costs
+
+Each call is retried up to 5 times, so an unstable network connection can greatly increase API costs.
+
+- fetch labels
+  - max(1, n / 100) to fetch the n labels of the repository
+- fetch issues
+  - max(1, n / 100) to fetch the n issues that have updated since the last synchronisation
+
+# Limitations
+
+- Only fetches first 100 labels per issue, additional labels are ignored