一、打开chrome按f12，点击右上角的“关注”按钮，抓包位置如下：
(图1 follow接口)
二、follow接口分析
1、请求地址
https://edith.xiaohongshu.com/api/sns/web/v1/user/follow2、请求方法:
POST
3、请求头：
:authority:
edith.xiaohongshu.com
:method:
POST
:path:
/api/sns/web/v1/user/follow
:scheme:
https
Accept:
application/json, text/plain, */*
Accept-Encoding:
gzip, deflate, br, zstd
Accept-Language:
zh-CN,zh;q=0.9
Content-Length:
45
Content-Type:
application/json;charset=UTF-8
Cookie:
{.........此处省略..............}
Origin:
https://www.xiaohongshu.com
Referer:
https://www.xiaohongshu.com/
Sec-Ch-Ua:
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Sec-Ch-Ua-Mobile:
?0
Sec-Ch-Ua-Platform:
"Windows"
Sec-Fetch-Dest:
empty
Sec-Fetch-Mode:
cors
Sec-Fetch-Site:
same-site
User-Agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
X-B3-Traceid:
c47c9349e64fd39d
X-S:
XYW_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
X-S-Common:
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
X-T:
17132526199684、请求数据体
{"target_user_id":"59391d446a6a6960704f16b1"}5、请求成功返回：
{"code":0,"success":true,"msg":"成功","data":{"fstatus":"follows"}}三、nodejs调用接口代码
const https = require('node:https');
const fs = require("fs");
const os = require("os");
//----------------------------------------------调用模块初始化----------------------------------------------------
const m_common_data = require('./x_s_common.js');//X-S-Common签名
const m_xs_data = require('./xs.js');//X-S签名
const m_proxy = require('./proxy.js');
const agent=m_proxy.get_agent();
//mode by byc6352 or metabycf in 2024-01-05
exports.set_follow=set_follow;//target_user_id=被关注用户id a1=从cookie提取的 web_session=从cookie提取的
async function set_follow(target_user_id,web_session,a1){let cookie=`abRequestId=b5675107-257c-5e9e-9bfe-157d0dc56027; webBuild=3.11.3; xsecappid=xhs-pc-web;a1=${a1};webId=4f4e47c26fec73469f2a0a1b36b59b49;web_session=${web_session}; websectiga=6169c1e84f393779a5f7de7303038f3b47a78e47be716e7bec57ccce17d45f99; sec_poison_id=30196e44-925f-4243-86da-685cafcc09e5;gid=yYDq8j0dy2M8yYDq8j0fW003JWv0DIMSFAY0kJMTIACS3928S0hi80888qKj8WW8DJyfKWW`;let url="https://edith.xiaohongshu.com/api/sns/web/v1/user/follow";let path=url.replace("https://edith.xiaohongshu.com","");let data={target_user_id: target_user_id};let data_str=JSON.stringify(data);let o=await m_xs_data.get_xs(path,data_str,a1);var xs=o["X-s"];var xt=o["X-t"];let x_common=m_common_data.get_common(a1,xt,xs);let traceid=m_common_data.get_traceid();let headers={"Connection":"close","authority":'edith.xiaohongshu.com',"method":'POST',"path":'/api/sns/web/v1/user/follow',"scheme":'https',"Accept":'application/json, text/plain, */*',//"Accept-Encoding":'gzip, deflate, br',"Accept-Language":'zh-CN,zh;q=0.9',"Content-Length":'45',"Content-Type":'application/json;charset=UTF-8',"Cookie":cookie,//"Origin":'https://www.xiaohongshu.com',"Referer":'https://www.xiaohongshu.com/',"Sec-Ch-Ua":'"Not A(Brand";v="99", "Google Chrome";v="121", "Chromium";v="121"',"Sec-Ch-Ua-Mobile":'?0',"Sec-Ch-Ua-Platform":'"Windows"',"Sec-Fetch-Dest":'empty',"Sec-Fetch-Mode":'cors',"Sec-Fetch-Site":'same-site',"User-Agent":'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36',"X-B3-Traceid":traceid,//'0a781c1de7825c27',"X-S":xs,//'XYW_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',"X-S-Common":x_common,//'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',"X-T":xt//'1709452415373',}const options = {hostname: 'edith.xiaohongshu.com',port: 443,path: path,method: 'POST',headers: headers}if(agent!==undefined)options.agent = agent;let req = https.request(url,options, (res) => {console.log(`STATUS: ${res.statusCode}`);console.log(`HEADERS: ${JSON.stringify(res.headers)}`);res.setEncoding('utf8');var body="";res.on('data', (chunk) => {body=body+chunk;});res.on('end', () => {try {console.log(body);}catch (e){console.error(e);}});res.on('close', () => {console.log("close");});});req.on('error', (e) => {console.error(`problem with request: ${e.message}`);});req.write(data_str,'utf8');req.end();}第三方调用接口：
http://helpnow.top:8087/xhs/follow?key=234181402307&target_user_id=被关注用户id&a1=从cookie提取的&web_session=从cookie提取的四、follow接口调用成功
（图2follow接口调用成功）
6Zeu6aKY5ZKo6K+i77yadng6YnljNjM1MiBvciBtZXRhYnljZjtRUTozOTg0ODg3Mjt0ZWxlZ3JhbTpieWMwMQ==（base64解码）
