diff --git a/crates/symbolicator-js/src/service.rs b/crates/symbolicator-js/src/service.rs
index fcbc0da70..40f330038 100644
--- a/crates/symbolicator-js/src/service.rs
+++ b/crates/symbolicator-js/src/service.rs
@@ -27,7 +27,7 @@ impl SourceMapService {
         let caches = &services.caches;
         let shared_cache = services.shared_cache.clone();
         let objects = services.objects.clone();
-        let download_svc = services.downloader.clone();
+        let download_svc = services.download_svc.clone();
         let sourcefiles_cache = services.sourcefiles_cache.clone();
 
         let bundle_index_cache = BundleIndexCache::new(
@@ -36,7 +36,13 @@ impl SourceMapService {
             download_svc.clone(),
         );
 
-        let api_lookup = todo!();
+        let in_memory = &services.config.caches.in_memory;
+        let api_lookup = Arc::new(SentryLookupApi::new(
+            download_svc.trusted_client.clone(),
+            download_svc.runtime.clone(),
+            download_svc.timeouts,
+            in_memory,
+        ));
 
         Self {
             objects,
diff --git a/crates/symbolicator-service/src/services/download/mod.rs b/crates/symbolicator-service/src/services/download/mod.rs
index 3630a4ad7..4e05f4101 100644
--- a/crates/symbolicator-service/src/services/download/mod.rs
+++ b/crates/symbolicator-service/src/services/download/mod.rs
@@ -209,8 +209,9 @@ impl HostDenyList {
 /// rate limits and the concurrency it uses.
 #[derive(Debug)]
 pub struct DownloadService {
-    runtime: tokio::runtime::Handle,
-    timeouts: DownloadTimeouts,
+    pub runtime: tokio::runtime::Handle,
+    pub timeouts: DownloadTimeouts,
+    pub trusted_client: reqwest::Client,
     sentry: sentry::SentryDownloader,
     http: http::HttpDownloader,
     s3: s3::S3Downloader,
@@ -231,6 +232,7 @@ impl DownloadService {
         Arc::new(Self {
             runtime: runtime.clone(),
             timeouts,
+            trusted_client: trusted_client.clone(),
             sentry: sentry::SentryDownloader::new(trusted_client, runtime, timeouts, in_memory),
             http: http::HttpDownloader::new(restricted_client.clone(), timeouts),
             s3: s3::S3Downloader::new(timeouts, in_memory.s3_client_capacity),
diff --git a/crates/symbolicator-service/src/services/mod.rs b/crates/symbolicator-service/src/services/mod.rs
index 91222b4d9..423ffb381 100644
--- a/crates/symbolicator-service/src/services/mod.rs
+++ b/crates/symbolicator-service/src/services/mod.rs
@@ -38,40 +38,42 @@ pub use self::symbolication::ScrapingConfig;
 pub use fetch_file::fetch_file;
 
 pub struct SharedServices {
+    pub config: Config,
     pub caches: Caches,
-    pub downloader: Arc<DownloadService>,
+    pub download_svc: Arc<DownloadService>,
     pub shared_cache: SharedCacheRef,
     pub objects: ObjectsActor,
     pub sourcefiles_cache: Arc<SourceFilesCache>,
 }
 
 impl SharedServices {
-    pub fn new(config: &Config, io_pool: tokio::runtime::Handle) -> Result<Self> {
-        let caches = Caches::from_config(config).context("failed to create local caches")?;
+    pub fn new(config: Config, io_pool: tokio::runtime::Handle) -> Result<Self> {
+        let caches = Caches::from_config(&config).context("failed to create local caches")?;
         caches
-            .clear_tmp(config)
+            .clear_tmp(&config)
             .context("failed to clear tmp caches")?;
 
-        let downloader = DownloadService::new(config, io_pool.clone());
+        let download_svc = DownloadService::new(&config, io_pool.clone());
 
         let shared_cache = SharedCacheService::new(config.shared_cache.clone(), io_pool);
 
         let sourcefiles_cache = Arc::new(SourceFilesCache::new(
             caches.sourcefiles.clone(),
             shared_cache.clone(),
-            downloader.clone(),
+            download_svc.clone(),
         ));
 
         let objects = ObjectsActor::new(
             caches.object_meta.clone(),
             caches.objects.clone(),
             shared_cache.clone(),
-            downloader.clone(),
+            download_svc.clone(),
         );
 
         Ok(Self {
+            config,
             caches,
-            downloader,
+            download_svc,
             shared_cache,
             objects,
             sourcefiles_cache,
diff --git a/crates/symbolicator-service/src/services/symbolication/mod.rs b/crates/symbolicator-service/src/services/symbolication/mod.rs
index 8b9456899..c6b1ba64e 100644
--- a/crates/symbolicator-service/src/services/symbolication/mod.rs
+++ b/crates/symbolicator-service/src/services/symbolication/mod.rs
@@ -97,7 +97,7 @@ impl SymbolicationActor {
         let caches = &services.caches;
         let shared_cache = services.shared_cache.clone();
         let objects = services.objects.clone();
-        let download_svc = services.downloader.clone();
+        let download_svc = services.download_svc.clone();
         let sourcefiles_cache = services.sourcefiles_cache.clone();
 
         let bitcode = BitcodeService::new(