--- title: "Changes to Create a credential for a tenant" method: POST path: "/tenants/{tenantId}/credentials" --- # Changes to Create a credential for a tenant `POST /tenants/{tenantId}/credentials` > Every recorded change to this operation, newest first. ## Timeline Changed in 3 of 49 revisions. - **2026-02-08** `37bce0c9a4d7`: 6 warning, 6 info - **2026-02-08** `4f8eeb0b9933`: 276 warning - **2026-02-08** `3aa940f5978d`: 1 info ## Changes - **2026-02-08** `37bce0c9a4d7`: 6 warning, 6 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 `403` - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `404` - 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 `403` - removed the `postal_error` enum value from the `error/code` response property for the response status `404` - 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` - **2026-02-08** `4f8eeb0b9933`: 276 warning - 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 `403` - added the new `already_exists` enum value to the `error/code` response property for the response status `404` - 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 `403` - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `404` - 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 `403` - added the new `authentication_required` enum value to the `error/code` response property for the response status `404` - 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 `403` - added the new `billing_error` enum value to the `error/code` response property for the response status `404` - 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 `403` - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `404` - 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 `403` - added the new `credential_not_found` enum value to the `error/code` response property for the response status `404` - 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 `403` - added the new `credential_on_hold` enum value to the `error/code` response property for the response status `404` - …236 more - **2026-02-08** `3aa940f5978d`: 1 info - endpoint added --- [Operation](https://skmtc.dev/arkhq-io/apis/ark-email-api/docs/tenants/:tenantId/credentials/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/:tenantId/credentials/post)