diff --git a/backend/src/api/bitcoin/bitcoin.routes.ts b/backend/src/api/bitcoin/bitcoin.routes.ts
index c0fe41b7e..050af99fd 100644
--- a/backend/src/api/bitcoin/bitcoin.routes.ts
+++ b/backend/src/api/bitcoin/bitcoin.routes.ts
@@ -144,6 +144,7 @@ class BitcoinRoutes {
     const result = feeApi.getPreciseRecommendedFee();
 
     res.json({
+      'warning': 'This endpoint is deprecated and will be removed in a future release. Please use /api/v1/fees/precise instead.',
       '1': result.fastestFee,
       '2': result.fastestFee,
       '3': result.halfHourFee,