diff --git a/.changeset/chilly-chairs-jog.md b/.changeset/chilly-chairs-jog.md
new file mode 100644
index 000000000..e700994dd
--- /dev/null
+++ b/.changeset/chilly-chairs-jog.md
@@ -0,0 +1,5 @@
+---
+"inngest": patch
+---
+
+Fix rare body reuse when parsing failure returns from `inngest.send()` and `step.sendEvent()`
diff --git a/packages/inngest/src/components/Inngest.ts b/packages/inngest/src/components/Inngest.ts
index 62069c6d3..f4d0e8fbc 100644
--- a/packages/inngest/src/components/Inngest.ts
+++ b/packages/inngest/src/components/Inngest.ts
@@ -318,6 +318,7 @@ export class Inngest<TClientOpts extends ClientOptions = ClientOptions> {
    */
   private async getResponseError(
     response: globalThis.Response,
+    rawBody: unknown,
     foundErr = "Unknown error"
   ): Promise<Error> {
     let errorMessage = foundErr;
@@ -337,7 +338,7 @@ export class Inngest<TClientOpts extends ClientOptions = ClientOptions> {
           errorMessage = "Event key not found";
           break;
         case 406:
-          errorMessage = `${JSON.stringify(await response.json())}`;
+          errorMessage = `${JSON.stringify(await rawBody)}`;
           break;
         case 409:
         case 412:
@@ -350,7 +351,11 @@ export class Inngest<TClientOpts extends ClientOptions = ClientOptions> {
           errorMessage = "Internal server error";
           break;
         default:
-          errorMessage = await response.text();
+          try {
+            errorMessage = await response.text();
+          } catch (err) {
+            errorMessage = `${JSON.stringify(await rawBody)}`;
+          }
           break;
       }
     }
@@ -558,17 +563,18 @@ export class Inngest<TClientOpts extends ClientOptions = ClientOptions> {
       headers: { ...this.headers, ...headers },
     });
 
+    let rawBody: unknown;
     let body: SendEventResponse | undefined;
 
     try {
-      const rawBody: unknown = await response.json();
+      rawBody = await response.json();
       body = await sendEventResponseSchema.parseAsync(rawBody);
     } catch (err) {
-      throw await this.getResponseError(response);
+      throw await this.getResponseError(response, rawBody);
     }
 
     if (body.status / 100 !== 2 || body.error) {
-      throw await this.getResponseError(response, body.error);
+      throw await this.getResponseError(response, rawBody, body.error);
     }
 
     return await applyHookToOutput({ result: { ids: body.ids } });