diff --git a/alerting-config-service-api/build.gradle.kts b/alerting-config-service-api/build.gradle.kts
new file mode 100644
index 00000000..ab7e8454
--- /dev/null
+++ b/alerting-config-service-api/build.gradle.kts
@@ -0,0 +1,44 @@
+import com.google.protobuf.gradle.generateProtoTasks
+import com.google.protobuf.gradle.id
+import com.google.protobuf.gradle.ofSourceSet
+import com.google.protobuf.gradle.plugins
+import com.google.protobuf.gradle.protobuf
+import com.google.protobuf.gradle.protoc
+
+plugins {
+  `java-library`
+  id("com.google.protobuf") version "0.8.15"
+  id("org.hypertrace.publish-plugin")
+}
+
+protobuf {
+  protoc {
+    artifact = "com.google.protobuf:protoc:3.15.7"
+  }
+  plugins {
+    id("grpc") {
+      artifact = "io.grpc:protoc-gen-grpc-java:1.37.0"
+    }
+  }
+  generateProtoTasks {
+    ofSourceSet("main").forEach { task ->
+      task.plugins {
+        id("grpc")
+      }
+    }
+  }
+}
+
+dependencies {
+  api("io.grpc:grpc-protobuf:1.37.0")
+  api("io.grpc:grpc-stub:1.37.0")
+  api("javax.annotation:javax.annotation-api:1.3.2")
+}
+
+sourceSets {
+  main {
+    java {
+      srcDirs("build/generated/source/proto/main/java", "build/generated/source/proto/main/grpc")
+    }
+  }
+}
diff --git a/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/event_anomaly_event_condition.proto b/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/event_anomaly_event_condition.proto
new file mode 100644
index 00000000..21bcf846
--- /dev/null
+++ b/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/event_anomaly_event_condition.proto
@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+option java_multiple_files = true;
+
+package org.hypertrace.alerting.config.service.v1;
+
+message EventAnomalyEventCondition {
+  string event_category = 1;
+  repeated EventCondition event_conditions = 2;
+}
+
+message EventCondition {
+  string event_type = 1;
+  string event_value = 2;
+}
diff --git a/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/metric_anomaly_event_condition.proto b/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/metric_anomaly_event_condition.proto
new file mode 100644
index 00000000..ddaff74b
--- /dev/null
+++ b/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/metric_anomaly_event_condition.proto
@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_multiple_files = true;
+
+package org.hypertrace.alerting.config.service.v1;
+
+message MetricAnomalyEventCondition {
+
+}
diff --git a/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/notification_config_service.proto b/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/notification_config_service.proto
new file mode 100644
index 00000000..03685366
--- /dev/null
+++ b/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/notification_config_service.proto
@@ -0,0 +1,46 @@
+syntax = "proto3";
+
+option java_multiple_files = true;
+
+package org.hypertrace.alerting.config.service.v1;
+
+import "org/hypertrace/alerting/config/service/v1/notification_rule.proto";
+
+service NotificationRuleConfigService {
+  rpc CreateNotificationRule(CreateNotificationRuleRequest) returns (CreateNotificationRuleResponse) {}
+  rpc UpdateNotificationRule(UpdateNotificationRuleRequest) returns (UpdateNotificationRuleResponse) {}
+  rpc GetAllNotificationRules(GetAllNotificationRulesRequest) returns (GetAllNotificationRulesResponse) {}
+  rpc DeleteNotificationRule(DeleteNotificationRuleRequest) returns (DeleteNotificationRuleResponse) {}
+}
+
+message CreateNotificationRuleRequest {
+  NewNotificationRule new_notification_rule = 1;
+}
+
+message CreateNotificationRuleResponse {
+  NotificationRule notification_rule = 1;
+}
+
+message UpdateNotificationRuleRequest {
+  NotificationRule notification_rule = 1;
+}
+
+message UpdateNotificationRuleResponse {
+  NotificationRule notification_rule = 1;
+}
+
+message GetAllNotificationRulesRequest {}
+
+message GetAllNotificationRulesResponse {
+  repeated NotificationRule notification_rules = 1;
+}
+
+message DeleteNotificationRuleRequest {
+  string notification_rule_id = 1;
+}
+
+message DeleteNotificationRuleResponse {}
+
+message GetNotificationRulesResponse {
+  repeated NotificationRule notification_rules = 1;
+}
diff --git a/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/notification_rule.proto b/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/notification_rule.proto
new file mode 100644
index 00000000..248caa1e
--- /dev/null
+++ b/alerting-config-service-api/src/main/proto/org/hypertrace/alerting/config/service/v1/notification_rule.proto
@@ -0,0 +1,40 @@
+syntax = "proto3";
+
+option java_multiple_files = true;
+
+package org.hypertrace.alerting.config.service.v1;
+
+import "org/hypertrace/alerting/config/service/v1/metric_anomaly_event_condition.proto";
+import "org/hypertrace/alerting/config/service/v1/event_anomaly_event_condition.proto";
+
+message NewNotificationRule {
+  string rule_name = 1;
+  string description = 2;
+  repeated Labels labels = 3;
+  EventConditions event_conditions = 4;
+  string channel_id = 5;
+  string rate_limit_interval_duration = 6;
+}
+
+message NotificationRule {
+  string id = 1;
+  string rule_name = 2;
+  string description = 3;
+  repeated Labels labels = 4;
+
+  EventConditions event_conditions = 5;
+  string channel_id = 6;
+  string rate_limit_interval_duration = 7;
+}
+
+message Labels {
+  string key = 1;
+  string value = 2;
+}
+
+message EventConditions {
+  oneof condition {
+    MetricAnomalyEventCondition metric_anomaly_condition = 2;
+    EventAnomalyEventCondition event_anomaly_condition = 3;
+  }
+}
diff --git a/notification-channel-config-service-api/build.gradle.kts b/notification-channel-config-service-api/build.gradle.kts
new file mode 100644
index 00000000..ab7e8454
--- /dev/null
+++ b/notification-channel-config-service-api/build.gradle.kts
@@ -0,0 +1,44 @@
+import com.google.protobuf.gradle.generateProtoTasks
+import com.google.protobuf.gradle.id
+import com.google.protobuf.gradle.ofSourceSet
+import com.google.protobuf.gradle.plugins
+import com.google.protobuf.gradle.protobuf
+import com.google.protobuf.gradle.protoc
+
+plugins {
+  `java-library`
+  id("com.google.protobuf") version "0.8.15"
+  id("org.hypertrace.publish-plugin")
+}
+
+protobuf {
+  protoc {
+    artifact = "com.google.protobuf:protoc:3.15.7"
+  }
+  plugins {
+    id("grpc") {
+      artifact = "io.grpc:protoc-gen-grpc-java:1.37.0"
+    }
+  }
+  generateProtoTasks {
+    ofSourceSet("main").forEach { task ->
+      task.plugins {
+        id("grpc")
+      }
+    }
+  }
+}
+
+dependencies {
+  api("io.grpc:grpc-protobuf:1.37.0")
+  api("io.grpc:grpc-stub:1.37.0")
+  api("javax.annotation:javax.annotation-api:1.3.2")
+}
+
+sourceSets {
+  main {
+    java {
+      srcDirs("build/generated/source/proto/main/java", "build/generated/source/proto/main/grpc")
+    }
+  }
+}
diff --git a/notification-channel-config-service-api/src/main/proto/org/hypertrace/notification/channel/config/service/v1/notification_channel.proto b/notification-channel-config-service-api/src/main/proto/org/hypertrace/notification/channel/config/service/v1/notification_channel.proto
new file mode 100644
index 00000000..c837005c
--- /dev/null
+++ b/notification-channel-config-service-api/src/main/proto/org/hypertrace/notification/channel/config/service/v1/notification_channel.proto
@@ -0,0 +1,36 @@
+syntax = "proto3";
+
+option java_multiple_files = true;
+
+package org.hypertrace.notification.channel.config.service.v1;
+
+message NewNotificationChannel {
+  string channel_name = 1;
+  NotificationChannelConfig notification_channel_config = 3;
+}
+
+message NotificationChannel {
+  string id = 1;
+  string channel_name = 2;
+  NotificationChannelConfig notification_channel_config = 4;
+}
+
+message NotificationChannelConfig {
+  repeated EmailChannelConfig email_channel_config = 1;
+  repeated WebhookChannelConfig webhook_channel_config = 2;
+}
+
+enum WebhookFormat {
+  WEBHOOK_FORMAT_UNSPECIFIED = 0;
+  WEBHOOK_FORMAT_SLACK = 1;
+  WEBHOOK_FORMAT_JSON = 2;
+}
+
+message WebhookChannelConfig {
+  string url = 1;
+  WebhookFormat format = 2;
+}
+
+message EmailChannelConfig {
+  string address = 1;
+}
diff --git a/notification-channel-config-service-api/src/main/proto/org/hypertrace/notification/channel/config/service/v1/notification_channel_config_service.proto b/notification-channel-config-service-api/src/main/proto/org/hypertrace/notification/channel/config/service/v1/notification_channel_config_service.proto
new file mode 100644
index 00000000..4e727d44
--- /dev/null
+++ b/notification-channel-config-service-api/src/main/proto/org/hypertrace/notification/channel/config/service/v1/notification_channel_config_service.proto
@@ -0,0 +1,50 @@
+syntax = "proto3";
+
+option java_multiple_files = true;
+
+package org.hypertrace.notification.channel.config.service.v1;
+
+import "org/hypertrace/notification/channel/config/service/v1/notification_channel.proto";
+
+service NotificationChannelConfigService {
+  rpc CreateNotificationChannel(CreateNotificationChannelRequest) returns (CreateNotificationChannelResponse) {}
+  rpc UpdateNotificationChannel(UpdateNotificationChannelRequest) returns (UpdateNotificationChannelResponse) {}
+  rpc GetAllNotificationChannels(GetAllNotificationChannelsRequest) returns (GetAllNotificationChannelsResponse) {}
+  rpc DeleteNotificationChannel(DeleteNotificationChannelRequest) returns (DeleteNotificationChannelResponse) {}
+}
+
+message CreateNotificationChannelRequest {
+  NewNotificationChannel new_notification_channel = 1;
+}
+
+message CreateNotificationChannelResponse {
+  NotificationChannel notification_channel = 1;
+}
+
+message UpdateNotificationChannelRequest {
+  NotificationChannel notification_channel = 1;
+}
+
+message UpdateNotificationChannelResponse {
+  NotificationChannel notification_channel = 1;
+}
+
+message GetAllNotificationChannelsRequest {}
+
+message GetAllNotificationChannelsResponse {
+  repeated NotificationChannel notification_channels = 1;
+}
+
+message GetNotificationChannelRequest {
+  string notification_channel_id = 1;
+}
+
+message GetNotificationChannelResponse {
+  NotificationChannel notification_channel = 1;
+}
+
+message DeleteNotificationChannelRequest {
+  string notification_channel_id = 1;
+}
+
+message DeleteNotificationChannelResponse {}
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 1737d234..74d5ea75 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -20,3 +20,7 @@ include(":config-proto-converter")
 
 include(":spaces-config-service-api")
 include(":spaces-config-service-impl")
+
+
+include(":alerting-config-service-api")
+include(":notification-channel-config-service-api")