To the programmer, these constraints mean a heavy (both in terms of memory use and interface size) and unwieldy API that can be hard to learn and frustrating to use.

对于程序员，这些约束意味着庞大(在内存占用和接口大小方面)的和难掌握的API，学习和使用都很难。

youdao

The Google data API has clear terms of service that explain that this kind of use is not permitted.

Google数据API有明确的服务条款，说明不允许执行此类应用。

youdao

So, to the developers who built cool stuff (like followgram.com), we sent a note asking them to comply with our terms of use and to not use the API.

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In the simplest terms, an API is a set of code conventions which programmers can use to interact with an external data source or web service.

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