diff --git a/src/core/intent-request-controller.mjs b/src/core/intent-request-controller.mjs
index 2658b25..2cc7ff1 100644
--- a/src/core/intent-request-controller.mjs
+++ b/src/core/intent-request-controller.mjs
@@ -203,6 +203,9 @@ export function createIntentRequestController({
       request_max_notional: requestPair.requestMaxNotional == null
         ? null
         : String(requestPair.requestMaxNotional),
+      request_max_slippage_bps: requestPair.requestMaxSlippageBps == null
+        ? null
+        : Number(requestPair.requestMaxSlippageBps),
       price_route_id: requestPair.priceRoute?.routeId || null,
       source_asset_id: sourceAsset.assetId,
       source_symbol: sourceAsset.symbol,
diff --git a/test/intent-requests.test.mjs b/test/intent-requests.test.mjs
index edf1b83..923c720 100644
--- a/test/intent-requests.test.mjs
+++ b/test/intent-requests.test.mjs
@@ -253,6 +253,7 @@ test('DB null request limits allow operator-chosen amount and slippage', async (
   assert.equal(preflight.state, 'draft');
   assert.equal(preflight.reason_code, 'quote_available');
   assert.equal(preflight.request_max_notional, null);
+  assert.equal(preflight.request_max_slippage_bps, null);
   assert.equal(preflight.slippage_bps, 250);
   assert.equal(preflight.live_submit_capable, true);
   assert.equal(relay.quoteCalls, 1);