2 sentences for 接口 (jiē​kǒu — interface)

1. 开发者需要调用支付接口来完成交易。

   kāi​fā zhě xū​yào diào​yòng zhī​fù jiē​kǒu lái wán​chéng jiāo​yì.

   Developers need to call the payment API to complete the transaction.

   Source: Dong Chinese Dictionary

2. 这两段代码通过特定的接口链接在一起。

   zhè liǎng duàn dài​mǎ tōng​guò tè​dìng de jiē​kǒu liàn​jiē zài​yī​qǐ.

   These two segments of code are linked together through a specific interface.

   Source: Dong Chinese Dictionary