> For the complete documentation index, see [llms.txt](https://docs.mailtrap.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mailtrap.io/developers/account-management/organizations/create-organization-sub-account.md).

# Create organization sub account

Create a new sub account under the specified organization. You must have sub account management permissions for this organization.

```json
{"openapi":"3.1.0","info":{"title":"Account Management","version":"2.0.0"},"tags":[{"name":"Organizations"}],"servers":[{"description":"Mailtrap API","url":"https://mailtrap.io"}],"security":[{"HeaderAuth":[]},{"BearerAuth":[]}],"components":{"securitySchemes":{"HeaderAuth":{"type":"apiKey","description":"Pass the API token in the Api-Token","in":"header","name":"Api-Token"},"BearerAuth":{"type":"http","scheme":"bearer","bearerFormat":"JWT"}},"schemas":{"SubAccount":{"title":"SubAccount","description":"Represents a sub account within an organization","type":"object","properties":{"id":{"type":"integer","description":"The unique identifier of the sub account"},"name":{"type":"string","description":"The name of the sub account"}}},"ErrorResponse":{"title":"ErrorResponse","type":"object","properties":{"errors":{"type":"string","description":"Error message"}}},"UnauthenticatedResponse":{"title":"UnauthenticatedResponse","type":"object","properties":{"error":{"type":"string","description":"Error message"}}},"PermissionsDeniedResponse":{"title":"PermissionsDeniedResponse","type":"object","properties":{"errors":{"type":"string"}}},"UnprocessableEntity":{"title":"UnprocessableEntity","type":"object","properties":{"errors":{"type":"object","description":"Validation errors per attribute. Entire record errors are under `base` key.","additionalProperties":{"type":"array","items":{"type":"string"}}}}}},"responses":{"UNAUTHENTICATED":{"description":"Returns unauthorized error message. Check your credentials.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/UnauthenticatedResponse"}}}}}},"paths":{"/api/organizations/{organization_id}/sub_accounts":{"post":{"operationId":"createOrganizationSubAccount","summary":"Create organization sub account","description":"Create a new sub account under the specified organization. You must have sub account management permissions for this organization.","tags":["Organizations"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","required":["account"],"properties":{"account":{"type":"object","required":["name"],"properties":{"name":{"type":"string","description":"Name of the sub account to create"}}}}}}}},"responses":{"200":{"description":"Sub account created successfully.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/SubAccount"}}}},"400":{"description":"Bad request - invalid parameters.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"401":{"$ref":"#/components/responses/UNAUTHENTICATED"},"403":{"description":"Insufficient organization permissions or wrong organization.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/PermissionsDeniedResponse"}}}},"422":{"description":"Unprocessable entity - validation errors.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/UnprocessableEntity"}}}}}}}}}
```


---

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