--- title: "Changes to Create a tenant" method: POST path: "/tenants" --- # Changes to Create a tenant `POST /tenants` > Every recorded change to this endpoint, newest first. ## Timeline Changed in 3 of 49 revisions. - **2026-02-05** `37bce0c9a4d7` — 4 warning, 4 info - **2026-02-04** `4f8eeb0b9933` — 2 breaking, 184 warning, 2 info - **2026-02-03** `628db0b9b7c9` — 1 info ## Changes - **2026-02-05** `37bce0c9a4d7` — 4 warning, 4 info - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `400` - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `401` - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `429` - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `500` - removed the `postal_error` enum value from the `error/code` response property for the response status `400` - removed the `postal_error` enum value from the `error/code` response property for the response status `401` - removed the `postal_error` enum value from the `error/code` response property for the response status `429` - removed the `postal_error` enum value from the `error/code` response property for the response status `500` - **2026-02-04** `4f8eeb0b9933` — 2 breaking, 184 warning, 2 info - removed the required property `data/created_at` from the response with the `201` status - removed the required property `data/updated_at` from the response with the `201` status - added the new `already_exists` enum value to the `error/code` response property for the response status `400` - added the new `already_exists` enum value to the `error/code` response property for the response status `401` - added the new `already_exists` enum value to the `error/code` response property for the response status `429` - added the new `already_exists` enum value to the `error/code` response property for the response status `500` - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `400` - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `401` - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `429` - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `500` - added the new `authentication_required` enum value to the `error/code` response property for the response status `400` - added the new `authentication_required` enum value to the `error/code` response property for the response status `401` - added the new `authentication_required` enum value to the `error/code` response property for the response status `429` - added the new `authentication_required` enum value to the `error/code` response property for the response status `500` - added the new `billing_error` enum value to the `error/code` response property for the response status `400` - added the new `billing_error` enum value to the `error/code` response property for the response status `401` - added the new `billing_error` enum value to the `error/code` response property for the response status `429` - added the new `billing_error` enum value to the `error/code` response property for the response status `500` - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `400` - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `401` - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `429` - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `500` - added the new `credential_not_found` enum value to the `error/code` response property for the response status `400` - added the new `credential_not_found` enum value to the `error/code` response property for the response status `401` - added the new `credential_not_found` enum value to the `error/code` response property for the response status `429` - added the new `credential_not_found` enum value to the `error/code` response property for the response status `500` - added the new `credential_on_hold` enum value to the `error/code` response property for the response status `400` - added the new `credential_on_hold` enum value to the `error/code` response property for the response status `401` - added the new `credential_on_hold` enum value to the `error/code` response property for the response status `429` - added the new `credential_on_hold` enum value to the `error/code` response property for the response status `500` - added the new `credential_revoked` enum value to the `error/code` response property for the response status `400` - added the new `credential_revoked` enum value to the `error/code` response property for the response status `401` - added the new `credential_revoked` enum value to the `error/code` response property for the response status `429` - added the new `credential_revoked` enum value to the `error/code` response property for the response status `500` - added the new `delivery_not_found` enum value to the `error/code` response property for the response status `400` - added the new `delivery_not_found` enum value to the `error/code` response property for the response status `401` - added the new `delivery_not_found` enum value to the `error/code` response property for the response status `429` - added the new `delivery_not_found` enum value to the `error/code` response property for the response status `500` - added the new `domain_already_exists` enum value to the `error/code` response property for the response status `400` - added the new `domain_already_exists` enum value to the `error/code` response property for the response status `401` - …148 more - **2026-02-03** `628db0b9b7c9` — 1 info - endpoint added --- [Operation](https://skmtc.dev/arkhq-io/apis/ark-email-api/docs/tenants/post.md) · [API](https://skmtc.dev/arkhq-io/apis/ark-email-api.md) · [Page](https://skmtc.dev/arkhq-io/apis/ark-email-api/changes/tenants/post)