ANNOUNCEMENT
PAYMENTSAutomated VietQR & USDT Gateway: Instant 24/7 account top-ups with competitive commercial FX rates. Top Up Now → •
GATEWAYHigh-Performance OpenAI-Compatible API: Low latency, 99.99% SLA uptime, unified endpoint integration. Read Docs → •
CATALOGProduction-ready frontier model cluster: Claude 3.7 Sonnet, DeepSeek V3/R1 & GPT-4o. View Pricing → •
ENTERPRISEVolume Licensing & Technical Support: Direct 24/7 engineering assistance for corporate clients. Contact Team ↗ •
GIA HUY NEXUS
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Enterprise Whitepaper · Direct Tier-1 Upstream · Scoped Tenant Isolation

Enterprise AI Infrastructure & Global Reseller Gateway

Enterprise-grade AI gateway architecture built for SaaS companies, global developers, and reseller networks. Dedicated RPM/TPM throughput per tenant, multi-cloud Tier-1 failover, Zero Prompt Retention (ZPR), financial-backed 99.9% SLA, and cross-border commercial invoicing in USD/USDT.

Tenant WorkspaceSLA Policy
Tenant Isolation
100% Isolated
Strict RPM & TPM quotas per project
Failover Latency
< 250ms
Automated multi-region cluster fallback
Privacy Standard
Zero Retention
Zero prompt logging, no model training
Billing & Invoicing
USD & USDT
Official cross-border export receipts
SECTION 1

Direct Upstream Provider Transparency & Proof of Sourcing

To deliver deterministic latency, high throughput, and enterprise reliability for mission-critical software, GIA HUY NEXUS strictly prohibits unverified third-party scraping, reverse-engineered consumer accounts, or unauthorized reselling. We connect directly to official enterprise API endpoints and Tier-1 cloud hyper-scalers with passed-through SLAs:

Upstream Cloud ProviderSupplied ModelsDeployment RegionsRedundancy & FailoverVerification Tier
Microsoft Azure OpenAI
GPT-4o, GPT-4o-mini, o1, o3-miniEast US, West US 3, Sweden CentralCross-Region Load BalancingOfficial Enterprise Tier-1
Anthropic PBC (Direct API)
Claude 3.7 Sonnet, Claude 3.5 HaikuUS-East / Global EdgeAWS Bedrock Fallback PoolDirect Commercial Partner
Google Cloud Vertex AI
Gemini 2.5 Flash, Gemini 2.5 Prous-central1, europe-west1Direct Vertex AI VPC PeeringGCP Enterprise Quota
DeepSeek Official Compute
DeepSeek V3, DeepSeek R1Singapore, Hong Kong, TokyoMulti-Cluster High-Concurrency PoolsDirect Platform Integration
Amazon Web Services (AWS)
Bedrock Claude & Llama 3.3 70Bus-east-1, eu-central-1Automated Bedrock Cross-FailoverAWS Enterprise Tier
End-to-End Routing Architecture Diagram
[1] Client App / SaaS
User / Customer Tenant
Bearer sk-gw-tenant-...
[2] RelayModels Edge Gateway
Tenant TPM/RPM Enforcer
Zero Prompt Retention (RAM)
[3] Smart Failover Router
Health Check & Auto Switch
< 250ms Fallback Latency
[4] Tier-1 Upstream Cloud
Azure · Bedrock · Vertex
Direct Model Execution
SECTION 2

Client Project Provisioning & Reseller Multi-Tenant Workflow

Our scoped Project Tenant system enables resellers and software providers to seamlessly provision isolated credentials for end-clients, departments, or distinct environments with deterministic rate limits and isolated telemetry:

1
Create Dedicated Tenant Project
Create a tenant space either via the Dashboard "Projects" tab or via automated API calls (e.g. Client-Alpha-Production).
2
Issue Project-Scoped API Keys
Generate cryptographic keys permanently attached to the project. Keys use standard sk-gw-... prefixes and SHA-256 hashing at rest.
3
Enforce Independent RPM & TPM Quota Ceilings
Define exact Requests-Per-Minute (RPM) and Tokens-Per-Minute (TPM) ceilings per key to completely eliminate noisy-neighbor issues.
4
Set Financial Spending Limits / Budget Caps
Specify maximum spending quotas in USD. When reached, the gateway returns 429 quota exhausted exclusively for that key without affecting other tenants.
5
Realtime Project Telemetry & Usage Logs
Filter metrics, spend, and token telemetry by project tenant to streamline client re-billing and transparent monthly cost audits.
Automated Tenant Provisioning API Call (cURL):
POST /api/projects.php
curl -X POST "https://giahuynexus.com/v1/../api/projects.php?action=create" \
  -H "Authorization: Bearer YOUR_MASTER_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Acme-Corp-Production",
    "description": "Enterprise customer tenant provisioned via Reseller Portal"
  }'
SECTION 3

Data Privacy & Zero Prompt Retention (ZPR) Guarantees

Data confidentiality and regulatory compliance are essential for international enterprise buyers. We enforce strict data handling protocols:

Pure In-Memory Streaming

Prompt payloads and streaming token buffers flow exclusively through volatile memory pipes. We never log, store, or cache user message contents on physical disk.

Zero Model Training

Our upstream enterprise agreements explicitly invoke Enterprise Non-Training clauses (DPA Opt-Out). Customer data is strictly barred from training future foundation models.

End-to-End Encryption (TLS 1.3)

All egress and ingress connections are encrypted with strict TLS 1.3 cryptography, preventing tampering or unauthorized network inspection.

SECTION 4

Corporate Household Identity & International Commercial Invoicing

Our infrastructure is operated legally under an officially registered business household in Vietnam. Under international cross-border trade and tax regulations, software & cloud token services exported to non-resident entities qualify for Commercial Invoices (0% VAT Export):

Seller Legal Entity:
HỘ KINH DOANH NGUYỄN GIA HUY
GIA HUY NEXUS
Tax Identification Number (TIN):
068208000472
UBND XÃ TÂN HÀ LÂM HÀ
Voucher Format:
CI-YYYYMMDD-XXXX
Stripe/Paddle compliant PDF & QR code
Payment Currencies:
USD (Wire / Card) & USDT (TRC20/BEP20)
Instant automated wallet top-up 24/7
View Commercial Invoices in BillingContact Enterprise Desk (Telegram)
SECTION 5 · TAX & LEGAL INVOICING

Official Electronic Sales Invoices & Commercial Vouchers

Our platform operates under an official Business Household structure under Vietnamese tax law. We automatically issue Decree 123 Electronic Sales Invoices (Form 02 / 2C26TYY) eligible for 100% corporate tax deduction under Circular 96/2015/TT-BTC, as well as international Commercial Invoices & Payment Receipts (USD / USDT):

Vietnam Household Business
Mẫu 2C26TYY · NĐ 123 & TT 78

Electronic Sales Invoice (VND)

Eligible for 100% corporate income tax deduction under Circular 96/2015/TT-BTC. Zero VAT outlay for the buyer.

Official Form 02 Electronic Sales Invoice
Ký hiệu: 2C26TYY
GIA HUY NEXUS
CỘNG HÒA XÃ HỘI CHỦ NGHĨA VIỆT NAM
Độc lập - Tự do - Hạnh phúc
HÓA ĐƠN BÁN HÀNG
(Theo Thông tư 78/2021/TT-BTC & NĐ 123/2020/NĐ-CP - Hộ Kinh Doanh)
Ký hiệu:2C26TYY / 2C26T
Số HĐ:0000888
Ngày lập:22/10/2026
Bên bán:HỘ KINH DOANH NGUYỄN GIA HUY · MST: 068208000472
Đại diện / Chủ hộ:HỘ KINH DOANH NGUYỄN GIA HUY
Bên mua:CÔNG TY TNHH PHÁT TRIỂN CÔNG NGHỆ & AI VIỆT NAM
Mã số thuế:0109886699 · Địa chỉ: Hoàn Kiếm, Hà Nội
Cung cấp Cổng API AI Gateway & Token Doanh Nghiệp (Enterprise Tier)
ĐVT: Gói · SL: 110.000.000 ₫
Phương pháp tính thuế:Nộp trực tiếp (Không thu 10% VAT)
Tổng thanh toán:10.000.000 ₫
QR
Mã tra cứu: DEMO-RELAY-2026
Quét QR xác thực CQT
ĐÃ KÝ ĐIỆN TỬ
HỘ KINH DOANH NGUYỄN GIA HUY
✓ Tính 100% chi phí TNDN (TT 96/2015)✓ Tiết kiệm 10% dòng tiền (Không đội VAT)✓ Chữ ký số SHA-256 RSA Hộ KD✓ Tệp XML gốc Tổng Cục Thuế
Global Enterprise
0% VAT Zero-Rated · WHT Exempt

Commercial Invoice & Payment Receipt (USD / USDT)

Issued for cross-border software & cloud token buyers across Singapore, US, EU, and APAC. Zero withholding tax deduction under digital trade treaties.

GIA HUY NEXUS
Logo
Cross-Border Cloud Computing Services
COMMERCIAL INVOICE
OFFICIAL PAYMENT RECEIPT
UNSPSC: 43232800 (SaaS)SAC: 998315 (AI Cloud Gateway)Period: Oct 01 – Oct 31, 2026
Ref:CI-20261022-0888
Issue:2026-10-22
Settlement:$500.00 USD
Issuer:HỘ KINH DOANH NGUYỄN GIA HUY · TIN: 068208000472
Trade Name / Platform:GIA HUY NEXUS · Representative:HỘ KINH DOANH NGUYỄN GIA HUY
Billed To:NEXUS COGNITIVE LABS PTE. LTD.
Country: Singapore · Tax ID:UEN 202418992K
AI Gateway API Computing & Dedicated Token Allocation (100M Tokens)
Qty: 1 · Rate: $500.00$500.00 USD
Export VAT (Zero-Rated):$0.00
Total Paid:$500.00 USD
QR
Rail: SWIFT Wire Transfer (MB Bank)
BIC: MSCBVNVX · Acc: 0355656730
Ref: WIRE-SWIFT-SG-2026-99182
PAID & SETTLED
WHT EXEMPT (DTAA)
Official Digital Seal: GIA HUY NEXUS · HỘ KINH DOANH NGUYỄN GIA HUY · Pursuant to DTAA Treaties
✓ Thuế suất 0% VAT Export✓ SWIFT · USDT · Binance Pay✓ Miễn thuế nhà thầu (WHT)✓ Dấu mộc điện tử song ngữ
Legal Compliance & Accounting Settlement Matrix
CriteriaVietnam Domestic (Household Sales E-Invoice)International (Commercial Voucher)
Regulatory StandardHộ Kinh Doanh · Nghị định 123/2020/NĐ-CP, Thông tư 78/2021/TT-BTC & Thông tư 40/2021/TT-BTCLuật Thương mại Quốc tế, Giao dịch điện tử xuyên biên giới & Hiệp định Tránh đánh thuế hai lần (DTAA)
Invoice Voucher FormHóa đơn bán hàng điện tử có mã của Cơ quan Thuế (Mẫu số 02 - Ký hiệu 2C26TYY)Commercial Invoice & Official Payment Receipt (Mã Hash tra cứu riêng & Dấu điện tử song ngữ)
Corporate Tax DeductionTính 100% vào chi phí hợp lý được trừ khi tính thuế TNDN (Điều 4 Thông tư 96/2015/TT-BTC)Hạch toán chi phí phần mềm SaaS / Cloud Computing tại nước sở tại (Singapore, US, EU, APAC)
Currency & Payment RailsVNĐ · Hộ KD nộp trực tiếp trên doanh thu → Doanh nghiệp mua KHÔNG bị thu thêm 10% VATUSD ($) / USDT (TRC-20) / Binance Pay · Thuế suất xuất khẩu 0% VAT; Miễn thuế nhà thầu (WHT)
Issuance SpeedTự động 24/7 ngay khi hoàn tất giao dịch, gửi kèm tệp XML gốc về EmailTự động sinh kèm mã tra cứu QR Code tức thì, đối soát SWIFT / USDT on-chain / Binance Pay

Ready to Scale Your AI Infrastructure with Isolated Tenants?

Spin up your first tenant project directly from your dashboard or talk to our technical engineering team for custom dedicated model router instances.

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