diff --git a/src/api/data_types/code_mappings.rs b/src/api/data_types/code_mappings.rs
new file mode 100644
index 0000000000..21a8aedd55
--- /dev/null
+++ b/src/api/data_types/code_mappings.rs
@@ -0,0 +1,37 @@
+//! Data types for the bulk code mappings API.
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct BulkCodeMappingsRequest {
+    pub project: String,
+    pub repository: String,
+    pub default_branch: String,
+    pub mappings: Vec<BulkCodeMapping>,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct BulkCodeMapping {
+    pub stack_root: String,
+    pub source_root: String,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct BulkCodeMappingsResponse {
+    pub created: u64,
+    pub updated: u64,
+    pub errors: u64,
+    pub mappings: Vec<BulkCodeMappingResult>,
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct BulkCodeMappingResult {
+    pub stack_root: String,
+    pub source_root: String,
+    pub status: String,
+    #[serde(default)]
+    pub detail: Option<String>,
+}
diff --git a/src/api/data_types/mod.rs b/src/api/data_types/mod.rs
index 8f7d5dc661..899dcccf60 100644
--- a/src/api/data_types/mod.rs
+++ b/src/api/data_types/mod.rs
@@ -1,9 +1,11 @@
 //! Data types used in the api module
 
 mod chunking;
+mod code_mappings;
 mod deploy;
 mod snapshots;
 
 pub use self::chunking::*;
+pub use self::code_mappings::*;
 pub use self::deploy::*;
 pub use self::snapshots::*;
diff --git a/src/api/mod.rs b/src/api/mod.rs
index df57300b16..8420c2aa0e 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -978,6 +978,17 @@ impl AuthenticatedApi<'_> {
         Ok(rv)
     }
 
+    /// Bulk uploads code mappings for an organization.
+    pub fn bulk_upload_code_mappings(
+        &self,
+        org: &str,
+        body: &BulkCodeMappingsRequest,
+    ) -> ApiResult<BulkCodeMappingsResponse> {
+        let path = format!("/organizations/{}/code-mappings/bulk/", PathArg(org));
+        self.post(&path, body)?
+            .convert_rnf(ApiErrorKind::ResourceNotFound)
+    }
+
     /// Creates a preprod snapshot artifact for the given project.
     pub fn create_preprod_snapshot<S: Serialize>(
         &self,
diff --git a/src/commands/code_mappings/upload.rs b/src/commands/code_mappings/upload.rs
index c15da6ca9c..6e1036477b 100644
--- a/src/commands/code_mappings/upload.rs
+++ b/src/commands/code_mappings/upload.rs
@@ -3,18 +3,12 @@ use std::fs;
 use anyhow::{bail, Context as _, Result};
 use clap::{Arg, ArgMatches, Command};
 use log::debug;
-use serde::{Deserialize, Serialize};
 
+use crate::api::{Api, BulkCodeMapping, BulkCodeMappingsRequest};
 use crate::config::Config;
+use crate::utils::formatting::Table;
 use crate::utils::vcs;
 
-#[derive(Debug, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct CodeMapping {
-    stack_root: String,
-    source_root: String,
-}
-
 pub fn make_command(command: Command) -> Command {
     command
         .about("Upload code mappings for a project from a JSON file.")
@@ -39,11 +33,15 @@ pub fn make_command(command: Command) -> Command {
 }
 
 pub fn execute(matches: &ArgMatches) -> Result<()> {
+    let config = Config::current();
+    let org = config.get_org(matches)?;
+    let project = config.get_project(matches)?;
+
     #[expect(clippy::unwrap_used, reason = "path is a required argument")]
     let path = matches.get_one::<String>("path").unwrap();
     let data = fs::read(path).with_context(|| format!("Failed to read mappings file '{path}'"))?;
 
-    let mappings: Vec<CodeMapping> =
+    let mappings: Vec<BulkCodeMapping> =
         serde_json::from_slice(&data).context("Failed to parse mappings JSON")?;
 
     if mappings.is_empty() {
@@ -74,7 +72,6 @@ pub fn execute(matches: &ArgMatches) -> Result<()> {
             })?;
             // Prefer explicit config (SENTRY_VCS_REMOTE / ini), then inspect
             // the repo for the best remote (upstream > origin > first).
-            let config = Config::current();
             let configured_remote = config.get_cached_vcs_remote();
             let remote_name = if vcs::git_repo_remote_url(&git_repo, &configured_remote).is_ok() {
                 debug!("Using configured VCS remote: {configured_remote}");
@@ -120,9 +117,57 @@ pub fn execute(matches: &ArgMatches) -> Result<()> {
         }
     };
 
-    println!("Found {} code mapping(s) in {path}", mappings.len());
-    println!("Repository: {repo_name}");
-    println!("Default branch: {default_branch}");
+    let mapping_count = mappings.len();
+    let request = BulkCodeMappingsRequest {
+        project,
+        repository: repo_name,
+        default_branch,
+        mappings,
+    };
+
+    println!("Uploading {mapping_count} code mapping(s)...");
+
+    let api = Api::current();
+    let response = api
+        .authenticated()?
+        .bulk_upload_code_mappings(&org, &request)?;
+
+    // Display results
+    let mut table = Table::new();
+    table
+        .title_row()
+        .add("Stack Root")
+        .add("Source Root")
+        .add("Status");
+
+    for result in &response.mappings {
+        let status = match result.status.as_str() {
+            "error" => match &result.detail {
+                Some(detail) => format!("error: {detail}"),
+                None => "error".to_owned(),
+            },
+            s => s.to_owned(),
+        };
+        table
+            .add_row()
+            .add(&result.stack_root)
+            .add(&result.source_root)
+            .add(&status);
+    }
+
+    table.print();
+    println!();
+    println!(
+        "Created: {}, Updated: {}, Errors: {}",
+        response.created, response.updated, response.errors
+    );
+
+    if response.errors > 0 {
+        bail!(
+            "{} mapping(s) failed to upload. See errors above.",
+            response.errors
+        );
+    }
 
     Ok(())
 }
diff --git a/tests/integration/_cases/code_mappings/code-mappings-upload.trycmd b/tests/integration/_cases/code_mappings/code-mappings-upload.trycmd
new file mode 100644
index 0000000000..72c35d9d19
--- /dev/null
+++ b/tests/integration/_cases/code_mappings/code-mappings-upload.trycmd
@@ -0,0 +1,14 @@
+```
+$ sentry-cli code-mappings upload tests/integration/_fixtures/code_mappings/mappings.json --org wat-org --project wat-project --repo owner/repo --default-branch main
+? success
+Uploading 2 code mapping(s)...
++------------------+---------------------------------------------+---------+
+| Stack Root       | Source Root                                 | Status  |
++------------------+---------------------------------------------+---------+
+| com/example/core | modules/core/src/main/java/com/example/core | created |
+| com/example/maps | modules/maps/src/main/java/com/example/maps | created |
++------------------+---------------------------------------------+---------+
+
+Created: 2, Updated: 0, Errors: 0
+
+```
diff --git a/tests/integration/_fixtures/code_mappings/mappings.json b/tests/integration/_fixtures/code_mappings/mappings.json
new file mode 100644
index 0000000000..d03581bf7e
--- /dev/null
+++ b/tests/integration/_fixtures/code_mappings/mappings.json
@@ -0,0 +1,4 @@
+[
+  {"stackRoot": "com/example/core", "sourceRoot": "modules/core/src/main/java/com/example/core"},
+  {"stackRoot": "com/example/maps", "sourceRoot": "modules/maps/src/main/java/com/example/maps"}
+]
diff --git a/tests/integration/_responses/code_mappings/post-bulk.json b/tests/integration/_responses/code_mappings/post-bulk.json
new file mode 100644
index 0000000000..4d30478f44
--- /dev/null
+++ b/tests/integration/_responses/code_mappings/post-bulk.json
@@ -0,0 +1,9 @@
+{
+  "created": 2,
+  "updated": 0,
+  "errors": 0,
+  "mappings": [
+    {"stackRoot": "com/example/core", "sourceRoot": "modules/core/src/main/java/com/example/core", "status": "created"},
+    {"stackRoot": "com/example/maps", "sourceRoot": "modules/maps/src/main/java/com/example/maps", "status": "created"}
+  ]
+}
diff --git a/tests/integration/code_mappings/mod.rs b/tests/integration/code_mappings/mod.rs
index bcfc6ec6a5..1869e71805 100644
--- a/tests/integration/code_mappings/mod.rs
+++ b/tests/integration/code_mappings/mod.rs
@@ -1,5 +1,7 @@
 use crate::integration::TestManager;
 
+mod upload;
+
 #[test]
 fn command_code_mappings_help() {
     TestManager::new().register_trycmd_test("code_mappings/code-mappings-help.trycmd");
diff --git a/tests/integration/code_mappings/upload.rs b/tests/integration/code_mappings/upload.rs
new file mode 100644
index 0000000000..861ed199a9
--- /dev/null
+++ b/tests/integration/code_mappings/upload.rs
@@ -0,0 +1,12 @@
+use crate::integration::{MockEndpointBuilder, TestManager};
+
+#[test]
+fn command_code_mappings_upload() {
+    TestManager::new()
+        .mock_endpoint(
+            MockEndpointBuilder::new("POST", "/api/0/organizations/wat-org/code-mappings/bulk/")
+                .with_response_file("code_mappings/post-bulk.json"),
+        )
+        .register_trycmd_test("code_mappings/code-mappings-upload.trycmd")
+        .with_default_token();
+}