Web APIs
From Wildsong
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Look at aviary.io
Some things I use that have Web APIs
- ArcGIS Online
- E*Trade
- ElasticSearch (see also [https://hub.docker.com/_/elasticsearch/ Docker Hub)
- FitBit
- Mapbox
- Strava
- Twilio
- Wink https://winkapiv2.docs.apiary.io/#reference/oauth/authorization-page
I am sure there are others.