---
title: "E10027 — MTLSNotInPlan"
description: "mTLS is not enabled for this workspace."
canonical: "https://bird.com/docs/api/errors/E10027"
---

# E10027 — MTLSNotInPlan

mTLS is not enabled for this workspace.

- **HTTP status**: `422`
- **Type**: `validation_error`
- **Name**: `MTLSNotInPlan`

## What to do

Contact your Bird representative to enable mTLS for your organization. If it is already enabled, ask an organization administrator to raise this workspace's mTLS limit.

## Related

- [E10xxx — Quotas](/docs/api/errors/E10xxx): every code in this range
- [Errors](/docs/api/errors): the full wire contract, status mapping, and error catalog
- [Error handling](/docs/guides/errors): branching on `type` and `code`, validation details, and `vendor_code`

## Related resources

- [Should I use a Bird SDK or call the API directly?](/explained/platform/should-i-use-an-sdk-or-call-the-api-directly) (answer)
- [Build your first integration](/learn/paths/integration) (course)
- [Send your first email](/docs/get-started/send-your-first-email) (docs)

[Get an implementation brief](/learn/workspace?topic=api-basics)