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

# Send CTA Buttons

> Direct transaction pipelines effectively by serving contextual messages that contain automated triggers to launch outbound hyperlinks or click-to-dial customer support lines.



## OpenAPI

````yaml POST /send/cta
openapi: 3.0.3
info:
  title: Wachat Enterprise API
  description: >
    Welcome to the official Wachat API reference. Wachat provides
    developer-friendly, ultra-reliable infrastructure to scale your WhatsApp
    communications programmatically.


    Easily deploy automated messaging pipelines, orchestrate interactive
    customer engagement patterns, verify phone numbers instantly, and control
    containerized WhatsApp instances via a secure, production-grade REST
    architecture.
  version: 1.0.0
servers:
  - url: https://app.wachat.net/api/v1
    description: Live Production Gateway
security:
  - bearerAuth: []
paths:
  /send/cta:
    post:
      tags:
        - High-Conversion UI Modules
      summary: Dispatch Call to Action (CTA) Formats
      description: >-
        Direct transaction pipelines effectively by serving contextual messages
        that contain automated triggers to launch outbound hyperlinks or
        click-to-dial customer support lines.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - instanceName
                - number
                - type
                - interactive
              properties:
                instanceName:
                  type: string
                  description: Target instance configuration identity path label.
                number:
                  type: string
                  description: >-
                    Target destination phone string with international
                    parameters.
                type:
                  type: string
                  enum:
                    - interactive
                  description: Configure core layout envelope to `interactive`.
                  example: interactive
                delay:
                  type: integer
                  description: >-
                    Simulated system typing simulation latency config defined in
                    milliseconds.
                interactive:
                  type: object
                  required:
                    - type
                    - body
                    - buttons
                  properties:
                    type:
                      type: string
                      enum:
                        - cta
                      description: >-
                        Select core UI component structural blueprint layout
                        format.
                      example: cta
                    title:
                      type: string
                      description: Main title text banner of the CTA block.
                      example: New Wachat.net Service
                    body:
                      type: string
                      description: Core explanatory contextual message copy.
                      example: Visit our landing page or contact our sales team now.
                    footer:
                      type: string
                      description: >-
                        Subtle brand watermark text layout element at the bottom
                        edge.
                      example: Powered by Wachat
                    buttons:
                      type: array
                      description: >-
                        Matrix grouping click-to-call nodes and automated URI
                        external routing references.
                      items:
                        type: object
                      example:
                        - index: 1
                          urlButton:
                            displayText: Visit
                            url: https://www.wachat.net
                        - index: 2
                          callButton:
                            displayText: Contact us
                            phoneNumber: '+62812345678'
      responses:
        '200':
          description: Call-to-Action transactional button modules successfully deployed.
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: >-
        Authenticate your integration payloads by injecting your premium secure
        Wachat Account API Private Secret Key inside standard Authorization
        Bearer header vectors.

````