> ## Documentation Index > Fetch the complete documentation index at: https://developer.meetergo.com/llms.txt > Use this file to discover all available pages before exploring further. # Resend a signer invitation > Retries the SMS or WhatsApp channel stored for this signer and returns the latest delivery outcome. ## OpenAPI ````yaml /openapi.json post /v4/signatures/{id}/signers/{signerId}/send openapi: 3.0.0 info: title: meetergo Platform API description: >- Scheduling, CRM and invoicing in one API: create users, manage availability and bookings, connect calendars, keep contacts and deals in sync, and take an offer through to a paid invoice. version: 3.274.0 contact: {} termsOfService: https://www.meetergo.com/tos/ servers: [] security: [] tags: - name: User V4 description: Create and manage users in your workspace - name: Meeting Type V4 description: Configure meeting templates with durations, buffers, and conferencing - name: availability description: Manage weekly schedules and availability settings - name: Booking V4 description: Create new bookings - name: Booking Availability V4 description: Query available time slots for booking - name: Appointment V4 description: Manage existing appointments - name: Attendee V4 description: Manage attendee details and notes - name: Calendar Connections V4 description: Connect and sync external calendars - name: Signatures V4 description: >- Send PDFs for e-signature and download the signed, eIDAS-grade document (DocuSeal-compatible) - name: WhatsApp V4 description: >- Send and receive WhatsApp messages by phone number and read conversation history - name: One Time Booking Link V4 description: Create single-use booking links - name: availability-exception description: Override availability for specific dates - name: Booking Link V4 description: Configure various booking page types - name: Personal Page V4 description: Manage user profile pages - name: Handoff V4 description: Reassign meetings to other hosts - name: Calendar Auth V4 description: OAuth callbacks for calendar providers - name: CRM Contacts description: >- Create, find, and update the people in your CRM, including their custom data fields - name: CRM Deals description: >- Create, update, and track deals through pipeline stages (incl. per-deal activity history) - name: CRM Pipelines description: Manage pipelines and their stages - name: Data Fields description: >- Define the custom fields a contact can carry; their `name` is the key used in a contact's additionalData - name: Invoicing Documents description: >- Offers and invoices: create a draft, finalize it into a numbered e-invoice, send it, record payments, and run Mahnwesen - name: Invoicing Products description: Reusable products for invoice line items - name: Invoicing Settings description: Seller details, tax treatment, bank accounts, and number ranges - name: Invoicing Recurring description: >- Recurring schedules, billing runs over completed meetings, buyer prefill, and DATEV export - name: Queue V4 description: Round-robin and queue-based routing (Beta) - name: Queue User Group V4 description: Manage queue user groups (Beta) - name: Meeting Type Template V4 description: Reusable meeting type configurations (Beta) - name: Attendee Pending V4 description: Manage pending attendee approvals (Beta) - name: Provisional Booking V4 description: Manage provisional/unconfirmed bookings (Beta) paths: /v4/signatures/{id}/signers/{signerId}/send: post: tags: - Signatures V4 summary: Resend a signer invitation description: >- Retries the SMS or WhatsApp channel stored for this signer and returns the latest delivery outcome. operationId: resendInvitation parameters: - name: id required: true in: path schema: type: string - name: signerId required: true in: path schema: type: string responses: '200': description: '' content: application/json: schema: $ref: '#/components/schemas/SignatureRequestResponseDto' '201': description: '' content: application/json: schema: $ref: '#/components/schemas/SignatureRequestResponseDto' '400': $ref: '#/components/responses/BadRequest' '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '404': $ref: '#/components/responses/NotFound' '429': $ref: '#/components/responses/TooManyRequests' security: - ApiUserHeader: [] - JWT: [] - ApiKey: [] components: schemas: SignatureRequestResponseDto: type: object properties: id: type: string description: Signature request id. name: type: string description: Document name. schemaVersion: type: number description: Persisted envelope schema version. revision: type: number description: Current request revision. status: enum: - pending - in_progress - finalizing - finalization_failed - completed - cancelled type: string description: Overall status. signers: description: The signers and their signing links. type: array items: $ref: '#/components/schemas/SignerResponseDto' signedDocumentUrl: type: string nullable: true description: >- Time-limited download URL for the signed (audit-paged, cryptographically signed) PDF. Present once status is "completed". completedAt: format: date-time type: string nullable: true description: When all signers completed. expiresAt: format: date-time type: string nullable: true description: When signing links expire (null = never). automaticReminders: type: boolean description: Whether automatic reminders are enabled. createdAt: format: date-time type: string description: Creation time. required: - id - name - schemaVersion - revision - status - signers - automaticReminders - createdAt SignerResponseDto: type: object properties: id: type: string description: Signer id. email: type: string nullable: true description: Signer email. name: type: string nullable: true description: Signer name. role: type: string nullable: true description: Role label. key: type: string nullable: true description: Stable field-assignment key. status: type: string description: Signer status. enum: - pending - completed invitationDelivery: nullable: true description: Latest email, SMS, or WhatsApp invitation delivery outcome. allOf: - $ref: '#/components/schemas/SignatureInvitationDeliveryResponseDto' signingUrl: type: string nullable: true description: >- The hosted signing link to send to this signer (the DocuSeal `embed_src` equivalent). example: https://cal.meetergo.com/s/V1StGXR8_Z5jdHi6B-myT openedAt: format: date-time type: string nullable: true description: When the signer opened the link. completedAt: format: date-time type: string nullable: true description: When the signer completed signing. required: - id - status - signingUrl ApiError: type: object required: - statusCode - message properties: statusCode: type: integer example: 400 message: oneOf: - type: string - type: array items: type: string description: >- A sentence, or the list of field constraints that failed. Validation errors name the offending property. example: - limit must not be greater than 100 error: type: string example: BadRequestException SignatureInvitationDeliveryResponseDto: type: object properties: channel: type: string enum: - email - sms - whatsapp phone: type: string description: Normalized E.164 recipient number. status: type: string enum: - pending - sent - failed templateName: type: string templateLanguage: type: string sentAt: type: string failureCode: type: string description: Stable failure category when the latest attempt failed. required: - channel - status responses: BadRequest: description: >- The request did not validate. `message` lists the constraints that failed. content: application/json: schema: $ref: '#/components/schemas/ApiError' Unauthorized: description: Missing, malformed, or expired credentials. content: application/json: schema: $ref: '#/components/schemas/ApiError' Forbidden: description: >- Authenticated, but not allowed: the plan does not include this feature, or the token is scoped away from it. content: application/json: schema: $ref: '#/components/schemas/ApiError' NotFound: description: >- No such resource in your account. Resources belonging to another account are reported the same way. content: application/json: schema: $ref: '#/components/schemas/ApiError' TooManyRequests: description: Rate limited. Back off and retry. content: application/json: schema: $ref: '#/components/schemas/ApiError' securitySchemes: ApiUserHeader: type: apiKey in: header name: x-meetergo-api-user-id description: >- User ID to act on behalf of. Platform API Keys only (required with an API Key unless the endpoint states otherwise). Requests authenticated with a Personal Access Token are rejected if this header names another user. JWT: scheme: bearer bearerFormat: JWT type: http description: JWT Bearer token for standard user authentication ApiKey: scheme: bearer bearerFormat: API Key type: http description: >- Bearer token: a Platform API Key (format: ak_live::) or a Personal Access Token (format: rgo-...). PATs always act as the token owner. ````