diff --git a/openmeet.ts b/openmeet.ts
index 2a09836..c2d4ca7 100644
--- a/openmeet.ts
+++ b/openmeet.ts
@@ -22,6 +22,20 @@ export class OpenMeetClient {
     this.tokens = { ...tokens, tokenExpires: 0 };
   }
 
+  private url(path: string): string {
+    return `${this.API_BASE}${path}`;
+  }
+
+  private headers(
+    additionalHeaders?: RequestInit["headers"],
+  ): RequestInit["headers"] {
+    return {
+      "X-Tenant-Id": this.TENANT_ID,
+      Authorization: `Bearer ${this.tokens.token}`,
+      ...additionalHeaders,
+    };
+  }
+
   async getEvents(
     opts: {
       start: Temporal.PlainDateTime;
@@ -29,18 +43,13 @@ export class OpenMeetClient {
     },
     attempt = 1,
   ): Promise<Event[]> {
-    const url = new URL(
-      `${this.API_BASE}/api/groups/${this.GROUP_SLUG}/events`,
-    );
+    const url = new URL(this.url(`/api/groups/${this.GROUP_SLUG}/events`));
 
     url.searchParams.set("startDate", opts.start.toString());
     url.searchParams.set("endDate", opts.end.toString());
 
     const resp = await fetch(url, {
-      headers: {
-        "X-Tenant-Id": this.TENANT_ID,
-        Authorization: `Bearer ${this.tokens.token}`,
-      },
+      headers: this.headers(),
     });
 
     if (!resp.ok) {
@@ -57,11 +66,8 @@ export class OpenMeetClient {
   }
 
   private async refreshTokens() {
-    const resp = await fetch(`${this.API_BASE}/api/v1/auth/refresh`, {
-      headers: {
-        Authorization: `Bearer ${this.tokens.refreshToken}`,
-        "X-Tenant-Id": this.TENANT_ID,
-      },
+    const resp = await fetch(this.url("/api/v1/auth/refresh"), {
+      headers: this.headers(),
       method: "POST",
       body: JSON.stringify({ ...this.tokens }),
     });