Qianduoduo Overseas One‑Stop Cloud Service
Anonymous domains, anti‑DDoS servers, SSL certificates, website security defense and global acceleration. Stable, compliant and scalable solutions for live streaming, gaming, lottery, blockchain and exchanges.
Obsidian‑Grade Anti‑DDoS Architecture
Multi‑cloud, multi‑node with scrubbing, WAF, bot management and rate limiting. Tailored for CC/UDP/HTTP flood protection.
SSL & Zero Trust
DV/OV/EV issuance; access control, least privilege and audit logs to raise security and compliance level.
Anonymous Domains
Overseas registration channels with privacy protection, multiple TLDs, cross‑region DNS and acceleration.
Anti‑DDoS Servers
Multi‑region deployment and elastic scaling. SLA available. Low‑latency, high‑throughput. Policies on demand.
Anonymous Domains
Privacy protection with cross‑region DNS acceleration. Multiple TLDs via overseas registration. Quick go‑live.
SSL Certificates
DV/OV/EV issuance. Auto renewal and certificate management. Site‑wide HTTPS encryption and compliance.
Site Build & Fix
Landing/admin/payment integration, troubleshooting and performance tuning, canary release and monitoring.
Global Acceleration
Anycast + edge CDN with smart routing and origin optimization to significantly improve overseas UX.
Compliance Consulting
Region‑specific compliance advice and technical implementation to reduce risks and ensure stability.
Site Build & Development
End‑to‑end service from zero to production: site build, fixes and custom development; SMS and payment API integration.
Site Build
Corporate sites, landing pages, admin systems; SEO/OG basics and performance tuning.
- Responsive design and multi‑language (ZH/EN)
- Nginx/Cloudflare/Vercel deployment
- HTTPS certificates and security baseline
Fix & Optimization
Frontend/backend troubleshooting, white‑screen/performance/security hardening, canary release and monitoring.
- Logging & tracing, audit retention
- WAF tuning and DDoS strategy
- Database and cache optimization
Custom Dev & Integration
Integrate SMS and payment APIs, refine flows and risk control for secure, compliant operations.
- SMS gateway / OTP / 2FA
- Payment APIs (USDT/TRC20/ERC20)
- Webhook and signature verification
Advantages & Assurance
One‑Stop Delivery
Domains, servers, SSL, WAF, security hardening, deployment and ops — full lifecycle.
Compliance & Audit
Log retention, access control, least privilege and regular drills — pass compliance checks.
Global Acceleration
Anycast and edge CDN with smart routing and origin optimization for significant UX gains.
API Integration
SMS gateway/OTP and payment APIs (USDT/TRC20/ERC20), with risk control strategies.
USDT Settlement
Monthly/yearly plans with USDT settlement and service agreements — flexible and safe.
24x7 Response
Major incident drills and rapid response — ensure business continuity.
Case Studies
Live Streaming · Southeast Asia
Multi‑node anti‑DDoS and CDN acceleration, custom WAF rules, stable at 800k peak concurrency.
Gaming · LATAM
Zero‑trust access control, bot management and rate limiting; page latency down by 45%.
Exchange · Global
Site‑wide HTTPS with auto renewal, audit logs and incident drills; SLA 99.95% availability.
Compliance & SLA
Compliance
- Certificate management & site‑wide encryption
- Audit logs & retention strategies
- Access control & least privilege
SLA Metrics
- Availability: ≥ 99.95%
- Response: P1 ≤ 15 minutes
- Recovery: drills and postmortems
Monitoring & Alerts
- Health checks & multi‑dimensional monitoring
- Thresholds & automated alerts
- Runbooks & on‑call rotation
Security Defense & Assurance
Security first — layered defense and incident response for international operations.
Defense Strategy
- WAF rules & custom policies to precisely block malicious traffic
- DDoS scrubbing & rate limiting against CC/UDP/HTTP flood
- Bot management & IP reputation to reduce scraping and attack surface
- Zero‑trust access control with least privilege and MFA
Compliance & Response
- Site‑wide HTTPS with auto‑renewal — transport encryption in place
- Audit log retention & behavior tracking for forensics & compliance
- 24x7 incident response & drills for rapid mitigation
- SLA and health monitoring — assured service availability
Plans & Pricing
Custom architecture and defense per scale/region compliance. Monthly/yearly. USDT supported.
Starter · Validation
Basic domain + SSL, standard protection bandwidth — ideal for quick go‑live validation.
Pro · Growth
Multi‑region nodes, enhanced WAF and scrubbing, high‑grade protection, site build and continuous ops.
Flagship · Large‑Scale
Global active‑active, deep security, compliance consulting, 24x7 dedicated support & incident response.
Contact & Order
Telegram: epay413
Platform: Qianduoduo | Cloud Services
Payment: USDT (TRC20/ERC20 negotiable), monthly/yearly with service agreement.
API Docs (SMS/Payment)
Basic params, callbacks and signature examples for quick integration.
SMS Send API
| Param | Type | Description |
|---|---|---|
| api_key | string | API key |
| phone | string | Phone (E.164) |
| message | string | Message content |
| nonce | string | Random nonce |
| sign | string | Signature (HMAC‑SHA256) |
// Sign pseudo code (HMAC-SHA256)
const payload = `api_key=${api_key}&phone=${phone}&message=${message}&nonce=${nonce}`;
const sign = hmac_sha256(secret, payload).toHex();
USDT Payment Create
| Param | Type | Description |
|---|---|---|
| api_key | string | API key |
| order_id | string | Order ID |
| amount | number | Amount (USDT) |
| network | string | Chain (TRC20/ERC20) |
| callback_url | string | Async callback URL |
| nonce | string | Random nonce |
| sign | string | Signature (HMAC‑SHA256) |
// Callback verification example (Node.js)
const crypto = require('crypto');
function verifySign(secret, query){
const { api_key, order_id, amount, status, txid, nonce, sign } = query;
const payload = `api_key=${api_key}&order_id=${order_id}&amount=${amount}&status=${status}&txid=${txid}&nonce=${nonce}`;
const calc = crypto.createHmac('sha256', secret).update(payload).digest('hex');
return calc === sign;
}
FAQ
Do you support anonymous domains and international platforms?
Overseas registration channels with privacy protection, DNS acceleration and compliance advice for global scenarios.
How do you ensure website security?
Site‑wide HTTPS, WAF rules and scrubbing, zero‑trust access, audit logs and incident response — layered defense.
Can you integrate SMS and payment APIs?
SMS gateway/OTP, USDT (TRC20/ERC20), webhook signature and risk control strategies.
How is pricing calculated?
Custom quotes based on scale, nodes and defense level. Monthly/yearly, USDT supported.
