diff --git a/.changeset/pink-books-smash.md b/.changeset/pink-books-smash.md
new file mode 100644
index 000000000..4b516c5da
--- /dev/null
+++ b/.changeset/pink-books-smash.md
@@ -0,0 +1,5 @@
+---
+'@segment/analytics-signals': major
+---
+
+Update signal request/response to lowercase.
diff --git a/packages/signals/signals-integration-tests/src/tests/signals-vanilla/basic.test.ts b/packages/signals/signals-integration-tests/src/tests/signals-vanilla/basic.test.ts
index ea6d3f6bc..3650c842a 100644
--- a/packages/signals/signals-integration-tests/src/tests/signals-vanilla/basic.test.ts
+++ b/packages/signals/signals-integration-tests/src/tests/signals-vanilla/basic.test.ts
@@ -31,13 +31,13 @@ test('network signals', async () => {
     (el: SegmentEvent) => el.properties!.type === 'network'
   )
   const requests = networkEvents.filter(
-    (el) => el.properties!.data.action === 'Request'
+    (el) => el.properties!.data.action === 'request'
   )
   expect(requests).toHaveLength(1)
   expect(requests[0].properties!.data.data).toEqual({ foo: 'bar' })
 
   const responses = networkEvents.filter(
-    (el) => el.properties!.data.action === 'Response'
+    (el) => el.properties!.data.action === 'response'
   )
   expect(responses).toHaveLength(1)
   expect(responses[0].properties!.data.data).toEqual({ someResponse: 'yep' })
diff --git a/packages/signals/signals/src/core/signal-generators/__tests__/network.test.ts b/packages/signals/signals/src/core/signal-generators/__tests__/network.test.ts
index 309f5bf48..bd5bc8746 100644
--- a/packages/signals/signals/src/core/signal-generators/__tests__/network.test.ts
+++ b/packages/signals/signals/src/core/signal-generators/__tests__/network.test.ts
@@ -114,7 +114,7 @@ describe(NetworkGenerator, () => {
       {
         type: 'network',
         data: {
-          action: 'Request',
+          action: 'request',
           url: `http://${window.location.hostname}/test`,
           method: 'POST',
           data: { key: 'value' },
@@ -126,7 +126,7 @@ describe(NetworkGenerator, () => {
       {
         type: 'network',
         data: {
-          action: 'Response',
+          action: 'response',
           url: `http://${window.location.hostname}/test`,
           data: { data: 'test' },
         },
diff --git a/packages/signals/signals/src/core/signal-generators/network-gen.ts b/packages/signals/signals/src/core/signal-generators/network-gen.ts
index b4c293820..e387e8ca6 100644
--- a/packages/signals/signals/src/core/signal-generators/network-gen.ts
+++ b/packages/signals/signals/src/core/signal-generators/network-gen.ts
@@ -68,7 +68,7 @@ export class NetworkGenerator implements SignalGenerator {
 
       emitter.emit(
         createNetworkSignal({
-          action: 'Request',
+          action: 'request',
           url: normalizeUrl(sUrl),
           method: rq.method || '',
           data: JSON.parse(rq.body.toString()),
@@ -87,7 +87,7 @@ export class NetworkGenerator implements SignalGenerator {
       const data = await rs.json()
       emitter.emit(
         createNetworkSignal({
-          action: 'Response',
+          action: 'response',
           url: url,
           data: data,
         })
diff --git a/packages/signals/signals/src/types/signals.ts b/packages/signals/signals/src/types/signals.ts
index b403efc7c..268797922 100644
--- a/packages/signals/signals/src/types/signals.ts
+++ b/packages/signals/signals/src/types/signals.ts
@@ -64,14 +64,14 @@ export type InstrumentationSignal = AppSignal<
 >
 
 type NetworkRequestData = {
-  action: 'Request'
+  action: 'request'
   url: string
   method: string
   data: { [key: string]: unknown }
 }
 
 type NetworkResponseData = {
-  action: 'Response'
+  action: 'response'
   url: string
   data: { [key: string]: unknown }
 }