From 783ea250cc5d7087f55dcd51744cdba53db2885b Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Mon, 27 Apr 2026 22:29:06 +0000
Subject: [PATCH 1/2] feat: support setting headers via env

---
 src/index.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/index.ts b/src/index.ts
index 9f2b53c7..26242a52 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -338,6 +338,18 @@ export class Orb extends Core.APIClient {
       fetch: options.fetch,
     });
 
+    const customHeadersEnv = Core.readEnv('ORB_CUSTOM_HEADERS');
+    if (customHeadersEnv) {
+      const parsed: Record<string, string> = {};
+      for (const line of customHeadersEnv.split('\n')) {
+        const colon = line.indexOf(':');
+        if (colon >= 0) {
+          parsed[line.substring(0, colon).trim()] = line.substring(colon + 1).trim();
+        }
+      }
+      options.defaultHeaders = { ...parsed, ...options.defaultHeaders };
+    }
+
     this._options = options;
     this.idempotencyHeader = 'Idempotency-Key';
 

From aff7c27615094108f97a0004a3f9fd4010777e90 Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Mon, 27 Apr 2026 22:30:57 +0000
Subject: [PATCH 2/2] release: 5.55.0

---
 .release-please-manifest.json | 2 +-
 CHANGELOG.md                  | 8 ++++++++
 package.json                  | 2 +-
 src/version.ts                | 2 +-
 4 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index fcc666eb..51f0408d 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.54.0"
+  ".": "5.55.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5ddabdf..d0632631 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 5.55.0 (2026-04-27)
+
+Full Changelog: [v5.54.0...v5.55.0](https://github.com/orbcorp/orb-node/compare/v5.54.0...v5.55.0)
+
+### Features
+
+* support setting headers via env ([783ea25](https://github.com/orbcorp/orb-node/commit/783ea250cc5d7087f55dcd51744cdba53db2885b))
+
 ## 5.54.0 (2026-04-26)
 
 Full Changelog: [v5.53.0...v5.54.0](https://github.com/orbcorp/orb-node/compare/v5.53.0...v5.54.0)
diff --git a/package.json b/package.json
index 5639379f..8adfad79 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "orb-billing",
-  "version": "5.54.0",
+  "version": "5.55.0",
   "description": "The official TypeScript library for the Orb API",
   "author": "Orb <team@withorb.com>",
   "types": "dist/index.d.ts",
diff --git a/src/version.ts b/src/version.ts
index 7345a1b1..9afce48b 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '5.54.0'; // x-release-please-version
+export const VERSION = '5.55.0'; // x-release-please-version