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

# Store the sender signing secret encrypted for one moment



## OpenAPI

````yaml /openapi-v1.json post /v1/journeys/{id}/moments/{stageKey}/sender-secret
openapi: 3.0.0
info:
  title: Woku Client API v1
  description: >-
    Public REST API for programmatic management of woku Voice-of-Customer
    programs: trackers, VoC instruments (NPS, woku, CES, CSAT), action plans,
    support tickets, multi-channel sending and response capture. Requests are
    company-scoped by the API key; never send a company id.
  version: 1.0.0
  contact:
    name: Woku
    url: https://woku.app
    email: team@woku.app
servers:
  - url: https://clientapi.woku.app
    description: Production
security: []
tags: []
paths:
  /v1/journeys/{id}/moments/{stageKey}/sender-secret:
    post:
      tags:
        - v1 - journeys
      summary: Store the sender signing secret encrypted for one moment
      operationId: V1JourneysController_setSenderSecret
      parameters:
        - name: id
          required: true
          in: path
          schema:
            type: string
        - name: stageKey
          required: true
          in: path
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SetSenderSecretDto'
      responses:
        '204':
          description: Secret stored encrypted, no response body
        '400':
          description: Invalid identifier or journey configuration
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ValidationErrorResponseDto'
        '403':
          description: Invalid API key, company access or entitlement
        '404':
          description: Journey, moment or evaluation not found
      security:
        - bearer: []
components:
  schemas:
    SetSenderSecretDto:
      type: object
      properties:
        senderSecret:
          type: string
          description: >-
            The signing secret the external system gave you. Stored encrypted;
            never returned.
      required:
        - senderSecret
    ValidationErrorResponseDto:
      type: object
      properties:
        statusCode:
          type: number
          description: HTTP status code
          example: 400
        message:
          description: Array of validation error messages
          example:
            - email must be a valid email
            - password must be at least 8 characters
          type: array
          items:
            type: string
        error:
          type: string
          description: Error type
          example: Bad Request
      required:
        - statusCode
        - message
        - error
  securitySchemes:
    bearer:
      scheme: bearer
      bearerFormat: API key
      type: http
      description: Company secret API key.

````