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

# Resolve a template's variables against a lead without sending

**Required scope:** `whatsapp.view`


## OpenAPI

````yaml /api-reference/openapi.json post /whatsapp/templates/{id}/preview
openapi: 3.0.3
info:
  title: Pineyard API
  version: 1.0.0
  description: >-
    Programmatic access to agents, campaigns, calls, phone numbers, WhatsApp and
    results in your Pineyard workspace.
servers:
  - url: https://api.pineyard.ai
    description: Production
security:
  - bearerAuth: []
paths:
  /whatsapp/templates/{id}/preview:
    post:
      summary: Resolve a template's variables against a lead without sending
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                callId:
                  type: string
                toPhone:
                  type: string
                  minLength: 3
                  maxLength: 32
                args:
                  type: object
                  additionalProperties:
                    type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  rendered:
                    nullable: true
                  issue:
                    type: object
                    nullable: true
                    properties:
                      slot:
                        type: string
                      index:
                        type: number
                      message:
                        type: string
                    required:
                      - slot
                      - index
                      - message
                  warnings:
                    type: array
                    items:
                      type: object
                      properties:
                        slot:
                          type: string
                        message:
                          type: string
                      required:
                        - slot
                        - message
                required:
                  - ok
                  - issue
                  - warnings
        '400':
          description: >-
            - `invalid_body`: The request body (or query) failed validation.
            Details are in `issues` (or `detail`). `422` on `POST
            /v1/campaigns/{campaignId}/leads`.
        '401':
          description: >-
            - `invalid_api_key`: The API key is unknown, revoked or expired, or
            its workspace was deleted.

            - `unauthorized`: No `Authorization: Bearer` header, or an empty
            token.
        '403':
          description: >-
            - `api_key_not_scoped`: A key issued without scopes was used outside
            `/v1`.

            - `api_key_owner_inactive`: The member the key acts for was removed
            or suspended.

            - `forbidden`: The key lacks the permission named in
            `requiredPermission`, or the resource belongs to another workspace.

            - `workspace_pending_approval`: The workspace has not been approved
            yet.

            - `workspace_suspended`: The workspace is suspended.
        '404':
          description: >-
            - `not_found`: The resource does not exist in your workspace, or the
            feature is not enabled for it.

            - `template_not_found`: Template id not in this workspace (400 in
            order-notification rules).
        '429':
          description: '- `rate_limited`: Too many requests.'
        '500':
          description: >-
            - `internal_error`: An unexpected error. A `400` with this code
            usually means the body is not valid JSON; a `413` means the body is
            larger than 1 MB.
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Your API key, e.g. `pk_live_xxxxxxxxxxxxxxxxxxxxxxxx`.

````

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