| Gmail | Flexible, RESTful access to the user's inbox | `OAuth` | Yes | [Go!](https://developers.google.com/gmail/api/) |
| Google Analytics | Collect, configure, and analyze your data to reach the right audience | `OAuth` | Yes | [Go!](https://developers.google.com/analytics/) |
...
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@@ -207,7 +207,7 @@ API | Description | Auth | HTTPS | Link |
| IPinfo | Another simple IP Address API | No | Yes | [Go!](https://ipinfo.io/developers) |
| JSON 2 JSONP | Convert JSON to JSONP (on-the-fly) for easy cross-domain data requests using client-side JavaScript | No | Yes | [Go!](https://json2jsonp.com/) |
| JSONbin.io | Free JSON storage service. Ideal for small scale Web apps, Websites and Mobile apps | `apiKey` | Yes | [Go!](https://jsonbin.io) |
| Judge0 API | Compile and run source code | No | Yes | [Go!](https://api.judge0.com/) |
| Judge0 | Compile and run source code | No | Yes | [Go!](https://api.judge0.com/) |
| Kairos | Face Recognition and Emotion Analysis | `apiKey` | Yes | [Go!](https://www.kairos.com/features) |
| Let's Validate | Uncovers the technologies used on websites and URL to thumbnail | No | Yes | [Go!](https://github.com/letsvalidate/api) |
| PrexView | Data from XML or JSON to PDF, HTML or Image | `apiKey` | Yes | [Go!](https://prexview.com) |
| Restpack | Provides screenshot, HTML to PDF, and content extraction APIs | `apiKey` | Yes | [Go!](https://restpack.io/) |
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@@ -424,7 +424,7 @@ API | Description | Auth | HTTPS | Link |
API | Description | Auth | HTTPS | Link |
|---|---|---|---|---|
| Newton | Symbolic and Arithmetic Math Calculator | No | Yes | [Go!](https://newton.now.sh/) |
| Numbers API | Facts about numbers | No | No | [Go!](http://numbersapi.com) |
| Numbers | Facts about numbers | No | No | [Go!](http://numbersapi.com) |
### Music
API | Description | Auth | HTTPS | Link |
...
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@@ -455,7 +455,7 @@ API | Description | Auth | HTTPS | Link |
| Chronicling America | Provides access to millions of pages of historic US newspapers from the Library of Congress | No | No | [Go!](http://chroniclingamerica.loc.gov/about/api/) |
| New York Times | Provides news | `apiKey` | Yes | [Go!](https://developer.nytimes.com/) |
| News API | Headlines currently published on a range of news sources and blogs | `apiKey` | Yes | [Go!](https://newsapi.org/) |
| News | Headlines currently published on a range of news sources and blogs | `apiKey` | Yes | [Go!](https://newsapi.org/) |
| NPR One | Personalized news listening experience from NPR | `OAuth` | Yes | [Go!](http://dev.npr.org/api/) |
| The Guardian | Access all the content the Guardian creates, categorised by tags and section | `apiKey` | Yes | [Go!](http://open-platform.theguardian.com/) |