Protocol Reference Stay organized with collections Save and categorize content based on your preferences. Warning: This page is about Google's older APIs, the Google Data APIs; it's relevant only to the APIs that are listed in the Google Data APIs directory, many of which have been replaced with newer APIs. For information about a specific new API, see the new API's documentation. For information
![Protocol Reference | Google Data APIs | Google for Developers](https://cdn-ak-scissors.b.st-hatena.com/image/square/abb3cede5d5cd5864e72d44ab54b96ee76273b1d/height=288;version=1;width=512/https%3A%2F%2Fwww.gstatic.com%2Fdevrel-devsite%2Fprod%2Fvd185cef2092d5507cf5d5de6d49d6afd8eb38fe69b728d88979eb4a70550ff03%2Fdevelopers%2Fimages%2Fopengraph%2Fdeep-orange.png)