Earlier this year, we updated our API Guide to let developers know that SoundCloud authentication is now operating on the OAuth 2.1 protocol, a popular open standard used by many API providers. This change needed to be made to ensure that we are staying up-to-date in maintaining the highest level of security possible to protect our platform from potential bad actors. As a result, we must ask that our developer community adhere to this new standard as well. We are giving developers who already…

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SoundCloud has migrated to OAuth 2.1 for authentication, and developers must update their integrations by October 1, 2024. The main difference between OAuth 2.0 and OAuth 2.1 is the requirement of PKCE.

Migration to Oauth 2.1