使用 CoinGecko 通过邮件/SMS 监控比特币和以太坊价格告警

• •Google 账号和 Gmail API 凭证
• •可能需要目标 API 的认证凭证

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      "name": "每15分钟",
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      "parameters": {
        "url": "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,ethereum&vs_currencies=usd&include_24hr_change=true",
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        "jsCode": "const BTC_UP=110000, BTC_DOWN=105000, ETH_UP=4500, ETH_DOWN=4200, MOVE_ABS=2.0;\nconst j=$json; const now=new Date().toISOString();\nconst btcPrice=Number(j.bitcoin?.usd), btcChg=Number(j.bitcoin?.usd_24h_change);\nconst ethPrice=Number(j.ethereum?.usd), ethChg=Number(j.ethereum?.usd_24h_change);\nconst flags={\n  btc:{price:btcPrice, chg24:btcChg, cross_up:isFinite(btcPrice)&&btcPrice>=BTC_UP, cross_down:isFinite(btcPrice)&&btcPrice<=BTC_DOWN, big_move:isFinite(btcChg)&&Math.abs(btcChg)>=MOVE_ABS},\n  eth:{price:ethPrice, chg24:ethChg, cross_up:isFinite(ethPrice)&&ethPrice>=ETH_UP, cross_down:isFinite(ethPrice)&&ethPrice<=ETH_DOWN, big_move:isFinite(ethChg)&&Math.abs(ethChg)>=MOVE_ABS},\n  ts: now\n};\nreturn [{json: flags}];"
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            },
            {
              "value1": "={{ $json.btc.cross_down }}"
            },
            {
              "value1": "={{ $json.btc.big_move }}"
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            {
              "value1": "={{ $json.eth.cross_up }}"
            },
            {
              "value1": "={{ $json.eth.cross_down }}"
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            {
              "value1": "={{ $json.eth.big_move }}"
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        "jsCode": "const s=(n,d=2)=>isFinite(n)?Number(n).toFixed(d):'—';\nconst sign=n=>isFinite(n)&&n>0?'+':'';\nconst j=$json; const lines=[\n  `BTC: $${s(j.btc.price,0)} (24h: ${sign(j.btc.chg24)}${s(j.btc.chg24)}%)`,\n  `ETH: $${s(j.eth.price,0)} (24h: ${sign(j.eth.chg24)}${s(j.eth.chg24)}%)`\n];\nreturn [{json:{\n  subject:`⚠️ Crypto Alert — ${new Date().toLocaleString('en-US',{timeZone:'Africa/Lagos'})}`,\n  html:`<p>${lines.join('<br>')}</p>`,\n  text: lines.join('\\n')\n}}];"
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      "name": "发送消息",
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      "position": [
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      "webhookId": "14c6592e-d95f-4e54-9a2d-460c609935f2",
      "parameters": {
        "sendTo": "recipient@gmail.com",
        "message": "={{ $json.html }}",
        "options": {
          "appendAttribution": true
        },
        "subject": "={{ $json.subject }}"
      },
      "credentials": {
        "gmailOAuth2": {
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      "name": "发送 SMS/MMS/WhatsApp 消息",
      "type": "n8n-nodes-base.twilio",
      "position": [
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      "parameters": {
        "message": "={{ $('Format Alert Email').item.json.text }}",
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        "height": 720,
        "content": "## ⚠️ 加密货币价格阈值警报（邮件/SMS/Telegram）"
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  "pinData": {},
  "connections": {
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      "main": [
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          {
            "node": "Format Alert Email",
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        ]
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    },
    "Send a message": {
      "main": [
        []
      ]
    },
    "Every 15 Minutes": {
      "main": [
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          {
            "node": "Get Crypto Prices",
            "type": "main",
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        ]
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    },
    "Get Crypto Prices": {
      "main": [
        [
          {
            "node": "Compute Threshold Flags",
            "type": "main",
            "index": 0
          }
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    "Format Alert Email": {
      "main": [
        [
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            "node": "Send an SMS/MMS/WhatsApp message",
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