# Cod Xpert Invoices (https://invoice.codxpert.com) > Enterprise Statutory Foreign Currency Invoicing, GST LUT Exemption & Real-Time Forex Variance Platform for Global Exporters, Small Businesses, Agencies, Freelancers & Contractors. Engineered by CodXpert (https://codxpert.com/). ## Core Capabilities - **GST LUT 0% IGST Export Billing:** Automated statutory Letter of Undertaking (LUT) declarations pursuant to Rule 96A of CGST Rules 2017 / Section 16 of the IGST Act. Prevents working capital blockage on cross-border shipments. - **Multi-Currency Engine:** Real-time exchange rate sync via ExchangeRate-API (USD, AED, EUR, GBP, AUD, CAD) with manual override capabilities to lock exact invoice-date interbank rates. - **Forex Variance & FIRC / e-BRC Reconciliation:** Logs exact bank liquidation dates, realized INR values, and automatically accounts for realized Forex gains (credits) or losses (debits) with FIRC reference tracking. - **Recurring Invoices & Retainer Billing:** Set cadence, automated dispatch, and payment reminders for monthly agency retainers and client contracts. - **Invoice Tracking & Status Telemetry:** Track delivery, view dates, aging breakdown, and automated chasing of overdue invoices. - **Estimates & Quotation Conversion:** Issue professional quotes and convert approved estimates to tax invoices in 1 click. - **GSTR-1 Tax Portal Export:** One-click CSV and direct JSON upload generation pre-formatted for direct Chartered Accountant and GST portal filing under Table 6A. - **Business Expense & Input Tax Credit (ITC) Tracker:** Digital receipt uploads with automatic tax breakdown and Excel exports. - **Custom Per-User SMTP Mailer:** Isolated, domain-verified SMTP delivery with AES-256 encrypted credentials preventing spam flagging. - **Free Instant Invoice Generator:** Browser-based client-side and server-backed invoice maker with instant PDF download. - **Statutory Compliance:** Compliant with India's Digital Personal Data Protection Act, 2023 (DPDP Act) and FEMA 23(R) Service Export regulations. ## Public Endpoints & Tools - Homepage: https://invoice.codxpert.com/ - Free Invoice Generator: https://invoice.codxpert.com/tools/invoice-generator - Pricing & Deployment Plans: https://invoice.codxpert.com/pricing ### Personas & Audiences (Solutions) - For Small Business: https://invoice.codxpert.com/solutions/small-business - For Agencies: https://invoice.codxpert.com/solutions/agencies - For Consultants: https://invoice.codxpert.com/solutions/consultants - For Freelancers: https://invoice.codxpert.com/solutions/freelancers - For Contractors: https://invoice.codxpert.com/solutions/contractors ### Feature Pillars - E-Invoicing & Compliance: https://invoice.codxpert.com/features/e-invoicing - Recurring Invoices: https://invoice.codxpert.com/features/recurring-invoices - Invoice Tracking: https://invoice.codxpert.com/features/invoice-tracking - Multi-Currency Billing: https://invoice.codxpert.com/features/multi-currency - Quotations & Estimates: https://invoice.codxpert.com/features/quotations ### Statutory Exporter Guides & Regulatory Blog - Blog & Regulatory Knowledge Base Hub: https://invoice.codxpert.com/blog - Step-by-Step Guide on Filing GST LUT (RFD-11): https://invoice.codxpert.com/blog/how-to-file-gst-lut-rfd-11-2026 - RBI Purpose Codes for Software & IT Exporters: https://invoice.codxpert.com/blog/top-rbi-purpose-codes-software-exporters - SAC Code 998311 vs 998312 Classification Guide: https://invoice.codxpert.com/blog/sac-code-998311-vs-998312 - FEMA 23(R) Service Export Declaration & HDFC EDF Guide: https://invoice.codxpert.com/guides/fema-23r - GST LUT Rule 96A Guide: https://invoice.codxpert.com/guides/gst-lut - FIRC & e-BRC Reconciliation Guide: https://invoice.codxpert.com/guides/firc-e-brc ### Competitor Comparisons - CodXpert vs Zoho Invoice: https://invoice.codxpert.com/vs/zoho-invoice - CodXpert vs Tally Prime: https://invoice.codxpert.com/vs/tally-prime ### Free Tools & Templates - Forex & Variance Calculator: https://invoice.codxpert.com/tools/forex-calculator - Word Invoice Templates: https://invoice.codxpert.com/templates/word-invoice-template - Excel Invoice Templates: https://invoice.codxpert.com/templates/excel-invoice-template ### Legal & Contact - Contact & Demo Desk: https://invoice.codxpert.com/contact - Terms of Use: https://invoice.codxpert.com/terms - Privacy Policy: https://invoice.codxpert.com/privacy ## Organization & Engineering - Company: COD XPERT (https://codxpert.com/) - Email: info@codxpert.com - Phone: +91 7979976451 - Address: House No. 119, I.T.C. Colony, Shankarpur, Munger, Bihar 811201, India