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Not sure what level you are looking for but Build APIs you won't hate was a great resource to me.

Check out Apigee's ebook on good API-Design: https://pages.apigee.com/rs/apigee/images/api-design-ebook-2... disclaimer: both are my employers

If you don't mind Java, Effective Java by Josh Bloch has good API design material. Josh designed collections API in Java

very good read, but not really about web/http/rest API's.