diff --git a/common/src/indexer_service/http/config.rs b/common/src/indexer_service/http/config.rs
index 33d4e50e..89d0530a 100644
--- a/common/src/indexer_service/http/config.rs
+++ b/common/src/indexer_service/http/config.rs
@@ -1,3 +1,6 @@
+// Copyright 2023-, GraphOps and Semiotic Labs.
+// SPDX-License-Identifier: Apache-2.0
+
 use std::net::SocketAddr;
 
 use alloy_primitives::Address;
diff --git a/common/src/indexer_service/http/indexer_service.rs b/common/src/indexer_service/http/indexer_service.rs
index 1b2e5316..c095725d 100644
--- a/common/src/indexer_service/http/indexer_service.rs
+++ b/common/src/indexer_service/http/indexer_service.rs
@@ -1,3 +1,6 @@
+// Copyright 2023-, GraphOps and Semiotic Labs.
+// SPDX-License-Identifier: Apache-2.0
+
 use std::{
     collections::HashMap, fmt::Debug, net::SocketAddr, path::PathBuf, sync::Arc, time::Duration,
 };
diff --git a/common/src/indexer_service/http/metrics.rs b/common/src/indexer_service/http/metrics.rs
index 6fe2057c..c5533a82 100644
--- a/common/src/indexer_service/http/metrics.rs
+++ b/common/src/indexer_service/http/metrics.rs
@@ -1,3 +1,6 @@
+// Copyright 2023-, GraphOps and Semiotic Labs.
+// SPDX-License-Identifier: Apache-2.0
+
 use prometheus::{register_int_counter_vec, IntCounterVec};
 
 pub struct IndexerServiceMetrics {
diff --git a/common/src/indexer_service/http/mod.rs b/common/src/indexer_service/http/mod.rs
index 6e7916ef..c200c10f 100644
--- a/common/src/indexer_service/http/mod.rs
+++ b/common/src/indexer_service/http/mod.rs
@@ -1,3 +1,6 @@
+// Copyright 2023-, GraphOps and Semiotic Labs.
+// SPDX-License-Identifier: Apache-2.0
+
 mod config;
 mod indexer_service;
 mod metrics;
diff --git a/common/src/indexer_service/http/request_handler.rs b/common/src/indexer_service/http/request_handler.rs
index b6e1e4ce..7e54c2ba 100644
--- a/common/src/indexer_service/http/request_handler.rs
+++ b/common/src/indexer_service/http/request_handler.rs
@@ -1,3 +1,6 @@
+// Copyright 2023-, GraphOps and Semiotic Labs.
+// SPDX-License-Identifier: Apache-2.0
+
 use std::sync::Arc;
 
 use axum::{
diff --git a/common/src/indexer_service/http/scalar_receipt_header.rs b/common/src/indexer_service/http/scalar_receipt_header.rs
index c8398eef..e8372d61 100644
--- a/common/src/indexer_service/http/scalar_receipt_header.rs
+++ b/common/src/indexer_service/http/scalar_receipt_header.rs
@@ -1,3 +1,6 @@
+// Copyright 2023-, GraphOps and Semiotic Labs.
+// SPDX-License-Identifier: Apache-2.0
+
 use std::ops::Deref;
 
 use headers::{Header, HeaderName, HeaderValue};
diff --git a/common/src/indexer_service/mod.rs b/common/src/indexer_service/mod.rs
index 3883215f..a47a5388 100644
--- a/common/src/indexer_service/mod.rs
+++ b/common/src/indexer_service/mod.rs
@@ -1 +1,4 @@
+// Copyright 2023-, GraphOps and Semiotic Labs.
+// SPDX-License-Identifier: Apache-2.0
+
 pub mod http;
diff --git a/service/build.rs b/service/build.rs
index 0b2af0d0..4334201c 100644
--- a/service/build.rs
+++ b/service/build.rs
@@ -1,3 +1,6 @@
+// Copyright 2023-, GraphOps and Semiotic Labs.
+// SPDX-License-Identifier: Apache-2.0
+
 use build_info_build::DependencyDepth;
 
 fn main() {