> ## Documentation Index > Fetch the complete documentation index at: https://openworklabs.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Create organization invitation > Creates or refreshes a pending organization invitation for an email address and sends the invite email. Returns 502 when the invitation row is persisted but the email provider (Loops) failed to send; the client should surface the error and give the user a retry affordance. ## OpenAPI ````yaml /openapi.json post /v1/invitations openapi: 3.1.0 info: title: Den API description: >- OpenAPI spec for the Den control plane API. Authentication: - Use `Authorization: Bearer ` for user-authenticated routes that require a Den session. - Use `x-api-key: ` for API-key-authenticated routes that accept organization API keys. - Public routes like health and documentation do not require authentication. Swagger tip: use the security schemes in the Authorize dialog to set either `bearerAuth` or `denApiKey` before trying protected endpoints. version: dev servers: - url: https://api.openworklabs.com security: [] tags: - name: System description: Service health and operational routes. - name: Organizations description: Top-level organization creation and context routes. - name: Invitations description: Invitation preview, acceptance, creation, and cancellation routes. - name: API Keys description: Organization API key management routes. - name: Members description: Organization member management routes. - name: Roles description: Organization custom role management routes. - name: Teams description: Organization team management routes. - name: Templates description: Organization shared template routes. - name: LLM Providers description: Organization LLM provider catalog, configuration, and access routes. - name: Skills description: Organization skill authoring and sharing routes. - name: Skill Hubs description: Organization skill hub management and access routes. - name: Workers description: Worker lifecycle, billing, and runtime routes. - name: Worker Runtime description: Worker runtime inspection and upgrade routes. - name: Worker Activity description: Worker heartbeat and activity reporting routes. - name: Admin description: Administrative reporting routes. - name: Users description: Current user and membership routes. paths: /v1/invitations: post: tags: - Invitations summary: Create organization invitation description: >- Creates or refreshes a pending organization invitation for an email address and sends the invite email. Returns 502 when the invitation row is persisted but the email provider (Loops) failed to send; the client should surface the error and give the user a retry affordance. operationId: postV1Invitations requestBody: required: true content: application/json: schema: type: object properties: email: type: string format: email pattern: >- ^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\-]*\.)+[A-Za-z]{2,}$ role: type: string minLength: 1 maxLength: 64 required: - email - role responses: '200': description: Existing invitation refreshed successfully. content: application/json: schema: $ref: '#/components/schemas/InvitationResponse' '201': description: Invitation created successfully. content: application/json: schema: $ref: '#/components/schemas/InvitationResponse' '400': description: The invitation request body or path parameters were invalid. content: application/json: schema: $ref: '#/components/schemas/InvalidRequestError' '401': description: The caller must be signed in to invite organization members. content: application/json: schema: $ref: '#/components/schemas/UnauthorizedError' '403': description: Only workspace owners and admins can create or resend invitations. content: application/json: schema: $ref: '#/components/schemas/ForbiddenError' '404': description: The organization could not be found. content: application/json: schema: $ref: '#/components/schemas/NotFoundError' '409': description: The email address is outside this workspace's allowed domains. content: application/json: schema: $ref: '#/components/schemas/InviteEmailDomainNotAllowedError' '502': description: >- The invitation was saved but the email provider (Loops) rejected or failed to deliver it. Retry by submitting the same email again. content: application/json: schema: $ref: '#/components/schemas/InvitationEmailFailedError' components: schemas: InvitationResponse: type: object properties: invitationId: description: Den TypeID with 'inv_' prefix and a 26-character base32 suffix. format: typeid type: string minLength: 30 maxLength: 30 pattern: ^inv_.* email: type: string format: email pattern: >- ^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\-]*\.)+[A-Za-z]{2,}$ role: type: string expiresAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ required: - invitationId - email - role - expiresAt InvalidRequestError: type: object properties: error: type: string const: invalid_request details: type: array items: type: object properties: message: type: string path: type: array items: anyOf: - type: string - type: number required: - message additionalProperties: {} required: - error - details UnauthorizedError: type: object properties: error: type: string const: unauthorized required: - error ForbiddenError: type: object properties: error: type: string const: forbidden message: type: string required: - error NotFoundError: type: object properties: error: type: string message: type: string required: - error InviteEmailDomainNotAllowedError: type: object properties: error: type: string const: invite_email_domain_not_allowed message: type: string emailDomain: anyOf: - type: string - type: 'null' allowedEmailDomains: type: array items: type: string required: - error - message - emailDomain - allowedEmailDomains InvitationEmailFailedError: type: object properties: error: type: string const: invitation_email_failed reason: type: string enum: - loops_not_configured - loops_rejected - loops_network message: type: string invitationId: description: Den TypeID with 'inv_' prefix and a 26-character base32 suffix. format: typeid type: string minLength: 30 maxLength: 30 pattern: ^inv_.* required: - error - reason - message - invitationId ````