Send TTS (Text-to-speech) voice calls

工作流概述

这是一个包含5个节点的中等工作流,主要用于自动化处理各种任务。

工作流源代码

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{
  "id": "GrGmuKzZAsCkd4bt",
  "meta": {
    "instanceId": "a4bfc93e975ca233ac45ed7c9227d84cf5a2329310525917adaf3312e10d5462",
    "templateCredsSetupCompleted": true
  },
  "name": "Send TTS (Text-to-speech) voice calls",
  "tags": [],
  "nodes": [
    {
      "id": "2b14ce1c-5213-4684-90a6-ef8b6885f2ef",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -300,
        -520
      ],
      "parameters": {
        "width": 440,
        "height": 180,
        "content": "## STEP 1
[Register here to ClickSend](https://clicksend.com/?u=586989) and obtain your API Key and 2 € of free credits

In the node \"Send Voice\" create a \"Basic Auth\" with the username you registered and the API Key provided as your password"
      },
      "typeVersion": 1
    },
    {
      "id": "b3931dc5-7021-4ca2-ae73-8bf670a56cb7",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -300,
        -300
      ],
      "parameters": {
        "width": 440,
        "content": "## STEP 2

Submit the form and you will receive a call to the phone number you entered where the selected voice will tell you the content of the text you wrote."
      },
      "typeVersion": 1
    },
    {
      "id": "a548f92d-199e-4cd2-ae34-742617484831",
      "name": "Send Voice",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -40,
        -100
      ],
      "parameters": {
        "url": "https://rest.clicksend.com/v3/voice/send",
        "method": "POST",
        "options": {},
        "jsonBody": "={
  \"messages\": [
    {
      \"source\": \"n8n\",
      \"body\": \"{{ $json.Body }}\",
      \"to\": \"{{ $json.To }}\",
      \"voice\": \"{{ $json.Voice }}\",
      \"lang\": \"{{ $json.Lang }}\",
      \"machine_detection\": 1
    }
  ]
}",
        "sendBody": true,
        "sendHeaders": true,
        "specifyBody": "json",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpBasicAuth",
        "headerParameters": {
          "parameters": [
            {
              "name": "Content-Type",
              "value": " application/json"
            }
          ]
        }
      },
      "credentials": {
        "httpBasicAuth": {
          "id": "UwsDe2JxT39eWIvY",
          "name": "ClickSend API"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "ffc2cbe9-6e31-4d54-8e6a-26e94ec50ef4",
      "name": "On form submission",
      "type": "n8n-nodes-base.formTrigger",
      "position": [
        -300,
        -100
      ],
      "webhookId": "8bfdf9f3-9323-4295-ab96-f9852d5981d5",
      "parameters": {
        "options": {},
        "formTitle": "Send Voice Message",
        "formFields": {
          "values": [
            {
              "fieldType": "textarea",
              "fieldLabel": "Body",
              "placeholder": "Body (max. 600 chars)",
              "requiredField": true
            },
            {
              "fieldLabel": "To",
              "placeholder": "+39xxxxxxxxxx",
              "requiredField": true
            },
            {
              "fieldType": "dropdown",
              "fieldLabel": "Voice",
              "fieldOptions": {
                "values": [
                  {
                    "option": "male"
                  },
                  {
                    "option": "female"
                  }
                ]
              },
              "requiredField": true
            },
            {
              "fieldType": "dropdown",
              "fieldLabel": "Lang",
              "fieldOptions": {
                "values": [
                  {
                    "option": "en-us 	"
                  },
                  {
                    "option": "it-it"
                  },
                  {
                    "option": "en-au"
                  },
                  {
                    "option": "en-gb"
                  },
                  {
                    "option": "de-de"
                  },
                  {
                    "option": "es-es"
                  },
                  {
                    "option": "fr-fr"
                  },
                  {
                    "option": "is-is"
                  },
                  {
                    "option": "da-dk"
                  },
                  {
                    "option": "nl-nl"
                  },
                  {
                    "option": "pl-pl"
                  },
                  {
                    "option": "pt-br"
                  },
                  {
                    "option": "ru-ru"
                  }
                ]
              },
              "requiredField": true
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "397e0b9f-7407-47d6-b242-1b87955a701b",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -300,
        -720
      ],
      "parameters": {
        "color": 3,
        "width": 440,
        "content": "## Automate text-to-speech voice calls
This workflow is a simple yet powerful way to automate text-to-speech voice calls using the ClickSend API. It’s ideal for notifications, reminders, or any scenario where voice communication is needed."
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "1ad6da32-7197-4f64-b770-88dae8348db2",
  "connections": {
    "On form submission": {
      "main": [
        [
          {
            "node": "Send Voice",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

功能特点

  • 自动检测新邮件
  • AI智能内容分析
  • 自定义分类规则
  • 批量处理能力
  • 详细的处理日志

技术分析

节点类型及作用

  • Stickynote
  • Httprequest
  • Formtrigger

复杂度评估

配置难度:
★★★☆☆
维护难度:
★★☆☆☆
扩展性:
★★★★☆

实施指南

前置条件

  • 有效的Gmail账户
  • n8n平台访问权限
  • Google API凭证
  • AI分类服务订阅

配置步骤

  1. 在n8n中导入工作流JSON文件
  2. 配置Gmail节点的认证信息
  3. 设置AI分类器的API密钥
  4. 自定义分类规则和标签映射
  5. 测试工作流执行
  6. 配置定时触发器(可选)

关键参数

参数名称 默认值 说明
maxEmails 50 单次处理的最大邮件数量
confidenceThreshold 0.8 分类置信度阈值
autoLabel true 是否自动添加标签

最佳实践

优化建议

  • 定期更新AI分类模型以提高准确性
  • 根据邮件量调整处理批次大小
  • 设置合理的分类置信度阈值
  • 定期清理过期的分类规则

安全注意事项

  • 妥善保管API密钥和认证信息
  • 限制工作流的访问权限
  • 定期审查处理日志
  • 启用双因素认证保护Gmail账户

性能优化

  • 使用增量处理减少重复工作
  • 缓存频繁访问的数据
  • 并行处理多个邮件分类任务
  • 监控系统资源使用情况

故障排除

常见问题

邮件未被正确分类

检查AI分类器的置信度阈值设置,适当降低阈值或更新训练数据。

Gmail认证失败

确认Google API凭证有效且具有正确的权限范围,重新进行OAuth授权。

调试技巧

  • 启用详细日志记录查看每个步骤的执行情况
  • 使用测试邮件验证分类逻辑
  • 检查网络连接和API服务状态
  • 逐步执行工作流定位问题节点

错误处理

工作流包含以下错误处理机制:

  • 网络超时自动重试(最多3次)
  • API错误记录和告警
  • 处理失败邮件的隔离机制
  • 异常情况下的回滚操作