# Invoice Hub > Invoice Hub is a web app for Indian exporters and their chartered accountants to raise GST export invoices (with the LUT in force on the invoice date), keep dated exchange rates and INR values, record export realisation and bank charges, and give the CA a register with CSV export and separate CA copies. Access is invite-only; data is isolated per organisation; roles are enforced on the server; two-factor sign-in and an activity log are built in. A read-only REST API is available. Prices are in INR, exclusive of GST. The full text of the public site, guide, API reference and articles is at https://ledger.aapicos.com/llms-full.txt. ## Product - [Features](https://ledger.aapicos.com/features): Export invoices, LUT tracking, multi-currency rates, realisation, CA register, roles and security. - [Pricing](https://ledger.aapicos.com/pricing): Plans with monthly and annual prices, a feature comparison and FAQ. - [Product tour](https://ledger.aapicos.com/tour): Step-by-step walkthrough of the main workflow. - [Security](https://ledger.aapicos.com/trust): How access, data isolation and sign-in are protected. ## Solutions - [Export invoicing for merchandise exporters](https://ledger.aapicos.com/for/merchant-exporters): Export invoices with LUT details, customs exchange rates, realisation tracking and a CA register, built for Indian exporters of goods. - [Invoicing for IT, design and consulting exporters](https://ledger.aapicos.com/for/service-exporters): Zero-rated export-of-services invoices under LUT, multi-currency billing, SAC codes and realisation tracking for Indian service exporters. - [Export invoicing your CA can work with](https://ledger.aapicos.com/for/ca-firms): Give chartered accountants clean export registers, CA copies with realisation detail and accountant-level access, without spreadsheets by email. - [Export invoicing for multi-entity business groups](https://ledger.aapicos.com/for/business-groups): Run several exporting entities, each with its own GSTIN, bank accounts, LUTs and branding, with one team and role-based access. - [LUT tracking for exporters](https://ledger.aapicos.com/solutions/lut-tracking): Record each company’s GST LUT per financial year; Invoice Hub picks the LUT in force on the invoice date and fills in the ARN. - [Multi-currency export invoicing with dated rates](https://ledger.aapicos.com/solutions/multi-currency-invoicing): Invoice in USD, EUR, GBP and more with exchange rates kept by date. Bulk-import CBIC or RBI rates; every invoice shows its INR value. - [Export realisation and bank-charge tracking](https://ledger.aapicos.com/solutions/export-realisation): Record when export payments land, how much INR was credited and what the banks kept, invoice by invoice. - [A CA register for export invoices](https://ledger.aapicos.com/solutions/ca-register): Every export invoice in one register with currency, rate, INR value and realisation; CSV export, print and separate CA copies. - [Invoice Hub vs spreadsheets and Word templates](https://ledger.aapicos.com/compare/spreadsheets): Why exporters move from Excel and Word invoice templates to Invoice Hub: LUTs, dated rates, realisation, roles and a CA register. ## Guide - [Welcome to Invoice Hub](https://ledger.aapicos.com/docs/introduction.md): What Invoice Hub does, how access works, and where to begin. - [Setup checklist](https://ledger.aapicos.com/docs/setup-checklist.md): The order to set things up in, from an empty organisation to your first export invoice. - [Companies](https://ledger.aapicos.com/docs/companies.md): Add the legal entities you invoice from, with GSTIN, address and invoice defaults. - [Bank accounts](https://ledger.aapicos.com/docs/bank-accounts.md): Add remittance accounts per company and currency, and choose a default for each currency. - [LUTs (Letters of Undertaking)](https://ledger.aapicos.com/docs/luts.md): Record each company's LUT per financial year so export invoices carry the right ARN automatically. - [Branding](https://ledger.aapicos.com/docs/branding.md): Upload the logo, signature and stamp that appear on printed invoices. - [Clients (buyers)](https://ledger.aapicos.com/docs/clients.md): Add the overseas buyers you invoice, with address, country, currency and payment terms. - [Exchange rates](https://ledger.aapicos.com/docs/exchange-rates.md): Keep exchange rates by date, add them one at a time or in bulk, and understand how invoices look them up. - [Raising an invoice](https://ledger.aapicos.com/docs/raising-an-invoice.md): Create an export invoice step by step: date, parties, currency, bank, LUT, tax context, line items and totals. - [Statuses, printing and duplicates](https://ledger.aapicos.com/docs/statuses-and-duplicates.md): Move invoices between Draft, Sent, Paid and Cancelled, print or save as PDF, and duplicate repeat invoices. - [Line-item library](https://ledger.aapicos.com/docs/line-item-library.md): Save the products and services you bill often and reuse them on any invoice. - [Recording payments (realisation)](https://ledger.aapicos.com/docs/recording-payments.md): Record when money actually landed and how much survived the fees, so receivables reflect reality. - [CA register and CA copies](https://ledger.aapicos.com/docs/ca-register.md): Give your accountant a register of every invoice with realisation detail, CSV export and printable CA copies. - [Users and roles](https://ledger.aapicos.com/docs/users-and-roles.md): Invite your team, assign roles, and understand how permissions work. - [Two-factor authentication](https://ledger.aapicos.com/docs/two-factor.md): Protect your account with a code from an authenticator app. - [Passwords and signing in](https://ledger.aapicos.com/docs/passwords.md): Reset a forgotten password, change your password, and how sign-in is protected. - [Activity log](https://ledger.aapicos.com/docs/activity-log.md): See sign-ins, refusals and admin changes in your organisation. - [API tokens](https://ledger.aapicos.com/docs/api-tokens.md): Create personal API keys for the read-only Invoice Hub API. - [Troubleshooting](https://ledger.aapicos.com/docs/troubleshooting.md): Fixes for the warnings and empty lists you are most likely to meet. ## API - [API reference](https://ledger.aapicos.com/docs/api): Authentication, scopes, pagination, errors and endpoints. - [OpenAPI 3.1 specification](https://ledger.aapicos.com/api/v1/openapi.json): Machine-readable description of the read-only v1 API. ## Articles - [LUT for exporters: what it is and how to renew it every year](https://ledger.aapicos.com/blog/lut-for-exporters-renewal-guide.md): A Letter of Undertaking lets you export without paying IGST upfront. Here is what it covers, who can file it, how to renew it each financial year, and the conditions that come with it. - [What must an export invoice contain under GST? A field-by-field checklist](https://ledger.aapicos.com/blog/export-invoice-gst-checklist.md): The GST rules set out exactly what a tax invoice must show, with extra requirements for exports. Use this checklist before the next invoice goes out. - [Which exchange rate should you use on an export invoice?](https://ledger.aapicos.com/blog/exchange-rate-for-export-invoices.md): The rate for GST valuation, the rate on the shipping bill and the rate your bank actually gives you are three different numbers. Here is how they fit together. - [Getting paid: export realisation, FIRA and e-BRC explained](https://ledger.aapicos.com/blog/export-realisation-fira-ebrc.md): Shipping the goods is half the job. Here is how realisation works, which proofs you need, and why bank charges deserve a line of their own. - [Reporting exports in GSTR-1: Table 6A, shipping bills and refunds](https://ledger.aapicos.com/blog/gstr-1-export-reporting-table-6a.md): Exports have their own table in GSTR-1, and getting it right decides how smoothly your refund goes. A practical walkthrough. - [The year-end export pack your CA will ask for (and how to keep it ready)](https://ledger.aapicos.com/blog/year-end-export-pack-for-your-ca.md): Every March, exporters scramble for the same documents. Here is the list your CA will ask for, and a way to keep it ready all year. - [Export of services under GST: when is it really zero-rated?](https://ledger.aapicos.com/blog/export-of-services-zero-rated-gst.md): Billing an overseas client is not automatically an export. Five conditions decide it, and the place-of-supply rules decide the rest. A practical walkthrough for IT, design and consulting firms. - [IGST refund on exports stuck? The usual reasons and how to fix them](https://ledger.aapicos.com/blog/igst-refund-on-exports-stuck.md): When you export goods on payment of IGST, the shipping bill is your refund claim. Here is what has to line up for the money to move, and what to check when it doesn't. - [Invoice numbering for exporters: series, prefixes and the 16-character rule](https://ledger.aapicos.com/blog/invoice-numbering-for-exporters.md): A good invoice number is boring: unique, consecutive, short and the same everywhere it appears. Here is how to design a series that survives GST, customs and your CA. - [Incoterms on export invoices: FOB, CIF, FCA and friends, explained](https://ledger.aapicos.com/blog/incoterms-for-exporters.md): The three letters after your price decide who pays for freight and insurance, where risk passes, and even which value goes on the shipping bill. A plain-English guide to Incoterms 2020. - [Bank charges on export remittances: OUR, SHA and BEN explained](https://ledger.aapicos.com/blog/swift-charges-our-sha-ben.md): Why a USD 12,480 invoice turns into USD 12,455 by the time it reaches you, what the SWIFT charge codes mean, and how to agree charges with buyers up front. ## Free resources - [Export invoice template (Excel)](https://ledger.aapicos.com/resources/export-invoice-template): A GST export invoice laid out field by field: endorsement, recipient and delivery details, country of destination, LUT, currency and INR value. - [LUT renewal checklist (PDF)](https://ledger.aapicos.com/resources/lut-renewal-checklist): A one-page routine for renewing your Letter of Undertaking every financial year and staying within its conditions. - [Export documents checklist (PDF)](https://ledger.aapicos.com/resources/export-documents-checklist): From order to realisation: the documents a typical export moves through, and what each one is for. - [Year-end CA pack checklist (PDF)](https://ledger.aapicos.com/resources/year-end-ca-pack): Everything your CA is likely to ask for at year end, as a tick-list you can keep up to date month by month. - [Export invoice INR calculator](https://ledger.aapicos.com/resources/inr-value-calculator): Convert an invoice total to rupees at your rate, and compare it with what your bank actually credited. - [Realisation deadline calculator](https://ledger.aapicos.com/resources/realisation-deadline-calculator): From the date of export, work out the realisation deadline and when to start chasing, using the period that applies to you. - [LUT financial-year checker](https://ledger.aapicos.com/resources/lut-financial-year-checker): Which financial year does an invoice date fall in, which LUT must cover it, and when is the next renewal due? ## Reference - [Export glossary](https://ledger.aapicos.com/glossary): Definitions of LUT, ARN, e-BRC, EDPMS, FIRA, Incoterms, WPAY/WOPAY and other export terms. - [What's new](https://ledger.aapicos.com/changelog): Product changes and release notes. ## Optional - [Request a demo](https://ledger.aapicos.com/demo): Contact form for a walkthrough or a specific plan. - [Contact](https://ledger.aapicos.com/contact): Sales, support, billing and partnership enquiries. - [Privacy policy](https://ledger.aapicos.com/privacy): What is collected and why.