Letter of Credit (L/C) remains one of the most secure payment methods for international B2B transactions, particularly when buyers and sellers lack established trading relationships. An L/C is a bank's commitment on behalf of the buyer to pay the exporter upon presentation of compliant documents, effectively shifting payment risk from the seller to the banking institution [4].
Under the Uniform Customs and Practice for Documentary Credits (UCP 600), which governs L/C transactions in over 175 countries, payment is based on document compliance rather than physical goods inspection. This documentary nature means sellers must ensure all shipping documents, commercial invoices, certificates of origin, and inspection reports precisely match the L/C terms—any discrepancy can delay or prevent payment [5].
For sellers on Alibaba.com, understanding L/C mechanics is crucial when targeting buyers from emerging markets or handling high-value orders. The L/C confirmation market growth reflects increasing recognition that bank guarantees reduce counterparty risk, especially when dealing with first-time buyers or markets with less familiar legal frameworks.
L/C Types and Their Applications in B2B Trade
| L/C Type | Key Feature | Best For | Cost Level |
|---|---|---|---|
| Irrevocable L/C | Cannot be modified without all parties' consent | Standard international transactions | Medium |
| Confirmed L/C | Second bank (usually in seller's country) adds guarantee | High-risk markets, large orders | High |
| Transferable L/C | Seller can transfer credit to supplier | Trading companies, intermediaries | Medium-High |
| Back-to-Back L/C | Two separate L/Cs for buyer and supplier | Protecting supplier/buyer separation | High |
| Revolving L/C | Automatic renewal for multiple shipments | Ongoing supply relationships | Medium |
LC is still valuable for first transactions or when the buyer has short tenure in the market. Buyers often avoid LC due to cost and speed concerns, but for sellers, TT or mixed terms can be risky without established trust. Revolving LC and back-to-back LC structures are useful tools for managing ongoing relationships [7].

