Openapi V2 Create Message Request Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/ahasend/refs/heads/main/json-structure/openapi-v2-create-message-request-structure.json",
  "name": "CreateMessageRequest",
  "description": "CreateMessageRequest schema from AhaSend API",
  "type": "object",
  "properties": {
    "from": {
      "$ref": "#/components/schemas/Address"
    },
    "recipients": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/Recipient"
      },
      "minItems": 1,
      "description": "This does not set the To header to multiple addresses, it sends a separate message for each recipient",
      "example": [
        {
          "email": "user@example.com",
          "name": "Example Name",
          "substitutions": {}
        }
      ]
    },
    "reply_to": {
      "$ref": "#/components/schemas/Address",
      "description": "If provided, the reply-to header in headers array must not be provided"
    },
    "subject": {
      "type": "string",
      "description": "Email subject line",
      "example": "example_value"
    },
    "text_content": {
      "type": "string",
      "description": "Plain text content. Required if html_content is empty",
      "example": "example_value"
    },
    "html_content": {
      "type": "string",
      "description": "HTML content. Required if text_content is empty",
      "example": "example_value"
    },
    "amp_content": {
      "type": "string",
      "description": "AMP HTML content",
      "example": "example_value"
    },
    "attachments": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/Attachment"
      },
      "description": "File attachments",
      "example": [
        {
          "base64": true,
          "data": "example_value",
          "content_type": "example_value",
          "content_disposition": "example_value",
          "content_id": "500123"
        }
      ]
    },
    "headers": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      },
      "description": "Custom email headers. reply-to header cannot be provided if reply_to is provided, message-id will be ignored and automatically generated",
      "example": {}
    },
    "substitutions": {
      "type": "object",
      "additionalProperties": true,
      "description": "Global substitutions, recipient substitutions override global",
      "example": {}
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Tags for categorizing messages",
      "example": [
        "example_value"
      ]
    },
    "sandbox": {
      "type": "boolean",
      "description": "If true, the message will be sent to the sandbox environment",
      "default": false,
      "example": true
    },
    "sandbox_result": {
      "type": "string",
      "enum": [
        "deliver",
        "bounce",
        "defer",
        "fail",
        "suppress"
      ],
      "description": "The result of the sandbox send",
      "example": "deliver"
    },
    "tracking": {
      "$ref": "#/components/schemas/Tracking",
      "description": "Tracking settings for the message, overrides default account settings"
    },
    "retention": {
      "$ref": "#/components/schemas/Retention",
      "description": "Retention settings for the message, overrides default account settings"
    },
    "schedule": {
      "$ref": "#/components/schemas/MessageSchedule",
      "description": "Schedule for message delivery"
    }
  },
  "required": [
    "from",
    "recipients",
    "subject"
  ],
  "example": {
    "from": {
      "email": "noreply@example.com",
      "name": "Example Corp"
    },
    "recipients": [
      {
        "email": "user@example.com",
        "name": "John Doe"
      }
    ],
    "subject": "Welcome to Example Corp",
    "html_content": "<h1>Welcome {{first_name}}!</h1>",
    "text_content": "Welcome {{first_name}}!",
    "substitutions": {
      "first_name": "John"
    }
  }
}