A collective list of public GraphQL APIs. PRs are welcome. If you are interested in GraphQL in general, check out awesome-graphql. github 
| API | Description | Browser | Docs |
|---|---|---|---|
| Brandfolder | Digital asset management platform | Try it! | Repo |
| Buildkite | Continuous integration and deployments | Try it! | Docs |
| Catalysis Hub | Chemical surface reaction energies and structures | Try it! | Repo Docs |
| Deutsche Bahn | Infrastructure Data, like realtime facility status, stations, timetables and more | Try it! | Repo |
| Digitransit HSL | Transit routes and realtime schedules from Helsinki Regional Transport Authority, Finland | Try it! | Docs |
| EHRI | Holocaust-related archival materials | Try it! | Docs |
| EtMDB | Ethiopian Movie Database | Try it! | Docs |
| Gdom | DOM Traversing and Scraping using GraphQL | Try it! | Repo |
| GitHub | Web-based Git repository hosting service | Try it! | Docs |
| GraphLoc | Find a geolocation of an IP address including latitude, longitude, city, country, time zone and area code. Free to use, SSL supported | Try it! | Docs |
| GraphQL Community Graph | This is an Graph Database full of activity of the GraphQL community, including Twitter, StackOverflow, GitHub, Meetups, Slack. | Try it! | Repo |
| GraphQL Europe | Europe's first GraphQL conference | Try it! | |
| HIVDB | A curated database to represent, store and analyze HIV drug resistance data | Try it! | Docs |
| Hollowverse | The religions and political views of the influentials. | Try it! | Docs Repo |
| Idobata | Dedicated chat for team development. | Try it! | |
| Pipefy | The operations excellence platform. | Try it! | Docs |
| Memair | Quantified self / extended mind platform | Try it! | Docs |
| melodyRepo | Fast and reliable dependency manager for Go | Try it! | Docs |
| Microsoft Graph (DEMO) | Connect to the data that drives productivity – mail, calendar, contacts, documents, directory, devices, and more. | Try it! | Repo |
| Shopify Storefront | The Storefront API gives you full creative control to build customized purchasing experiences for your customers. | Try it! | Docs Examples |
| Universe | Check what your friends are doing & find unique events near you using our filter. | Try it! | Docs |
| Yelp | User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More | Try it! | Docs |
And lots more.
Tip: To grab a table from a web page select the table in chrome's element browser then print the outerHTML from the selected element in the javascript console.
console.log($0.outerHTML)