> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ohmyho.st/llms.txt
> Use this file to discover all available pages before exploring further.

# Create an organization for the signed-in user

> Creates an organization and its creator's Owner membership. Only a verified user session may call this endpoint; no existing organization is required. Repeating the same Idempotency-Key and name observes the same creation, never recreating revoked membership. After creation, repeat the public login flow to select the new organization before project mutations.



## OpenAPI

````yaml /openapi.json post /v1/organizations
openapi: 3.1.2
info:
  title: ohmyho.st API
  version: 0.0.0
  description: >-
    Public REST API for ohmyho.st hosting, projects, domains, email, credits and
    exports.
servers:
  - url: https://app.ohmyho.st
    description: Production control API
  - url: https://dev.app.ohmyho.st
    description: Development control API
security:
  - BearerAuth: []
paths:
  /v1/organizations:
    post:
      summary: Create an organization for the signed-in user
      description: >-
        Creates an organization and its creator's Owner membership. Only a
        verified user session may call this endpoint; no existing organization
        is required. Repeating the same Idempotency-Key and name observes the
        same creation, never recreating revoked membership. After creation,
        repeat the public login flow to select the new organization before
        project mutations.
      operationId: createOrganization
      parameters:
        - $ref: '#/components/parameters/RequestId'
        - name: Idempotency-Key
          in: header
          required: true
          description: >-
            Stable creator-scoped key; repeat unchanged to observe an incomplete
            creation.
          schema:
            type: string
            minLength: 1
            maxLength: 128
            pattern: ^[A-Za-z0-9._:-]+$
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateOrganizationRequest'
      responses:
        '201':
          description: >-
            Organization and Owner membership are persisted. Idempotent replay
            returns the same identity.
          headers:
            X-Request-Id:
              $ref: '#/components/headers/XRequestId'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Organization'
        '400':
          $ref: '#/components/responses/Problem'
        '401':
          $ref: '#/components/responses/Problem'
        '403':
          $ref: '#/components/responses/Problem'
        '409':
          $ref: '#/components/responses/Problem'
        '413':
          $ref: '#/components/responses/Problem'
        '429':
          $ref: '#/components/responses/Problem'
        '503':
          $ref: '#/components/responses/Problem'
components:
  parameters:
    RequestId:
      name: X-Request-Id
      in: header
      description: Optional caller-provided correlation identifier.
      required: false
      schema:
        type: string
        minLength: 1
        maxLength: 128
  schemas:
    CreateOrganizationRequest:
      type: object
      additionalProperties: false
      required:
        - name
        - signup_source
      properties:
        signup_source:
          type: string
          pattern: ^[a-z0-9][a-z0-9_-]{0,63}$
          minLength: 1
          maxLength: 64
          description: >-
            Public acquisition source from the invitation URL's r parameter.
            Eligibility and promotional credits are server-configured;
            attribution is fixed for the user and rewards are never multiplied
            by retries or additional organizations.
        name:
          type: string
          minLength: 1
          maxLength: 128
          pattern: ^\S(?:.*\S)?$
    Organization:
      type: object
      additionalProperties: false
      required:
        - id
        - name
      properties:
        id:
          $ref: '#/components/schemas/Ulid'
        name:
          type: string
          minLength: 1
          maxLength: 128
    Ulid:
      type: string
      pattern: ^[0-9A-HJKMNP-TV-Z]{26}$
    ProblemDetails:
      type: object
      description: RFC 9457 Problem Details extended with stable ohmyhost recovery fields.
      additionalProperties: false
      required:
        - type
        - title
        - status
        - code
        - request_id
        - retryable
        - suggested_action
      properties:
        type:
          type: string
          format: uri-reference
        title:
          type: string
          minLength: 1
        status:
          type: integer
          minimum: 400
          maximum: 599
        detail:
          type: string
        instance:
          type: string
          format: uri-reference
        code:
          type: string
          enum:
            - invalid_request
            - unauthenticated
            - forbidden
            - resource_not_found
            - idempotency_key_reused
            - project_handle_unavailable
            - project_identity_unavailable
            - deployment_plan_expired
            - deployment_plan_incompatible
            - confirmation_expired
            - confirmation_invalid
            - etag_mismatch
            - promotion_source_stale
            - promotion_target_stale
            - promotion_invalid_target
            - mail_domain_conflict
            - mail_domain_required
            - framework_conversion_required
            - migration_filename_noncanonical
            - environment_secret_mutation_blocked
            - container_runtime_required
            - payload_too_large
            - rate_limited
            - insufficient_organization_credits
            - paid_plan_required
            - project_budget_exceeded
            - compute_performance_paid_required
            - compute_performance_unavailable
            - compute_change_pending
            - compute_change_conflict
            - billing_purchase_conflict
            - cloudflare_authorization_closed
            - project_notes_conflict
            - project_export_not_ready
            - interactive_login_required
            - api_key_creation_uncertain
            - api_key_permissions_unavailable
            - reconciliation_exhausted
            - service_unavailable
        request_id:
          type: string
          minLength: 1
          maxLength: 128
        retryable:
          type: boolean
        retry_after_seconds:
          type: integer
          minimum: 1
          maximum: 86400
          description: >-
            Optional machine-readable retry delay for a rate limit, matching
            Retry-After.
        suggested_action:
          type: string
          minLength: 1
  headers:
    XRequestId:
      description: Correlates the request with operations, events, logs, and audit records.
      required: true
      schema:
        type: string
        minLength: 1
        maxLength: 128
  responses:
    Problem:
      description: The request failed.
      headers:
        X-Request-Id:
          $ref: '#/components/headers/XRequestId'
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetails'
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: >-
        WorkOS access JWT or a user-owned WorkOS API key. User keys are bound to
        one organization and restricted to their enabled product permissions.
        Session-only onboarding and session revocation require an interactive
        access JWT. No cookie session is assumed.

````