Developers: HTTPS enforcement starts May 10

04/09 PDB101 News

RCSB PDB APIs,, and will enforce use of the secure HTTPS protocol starting May 10, 2021. HTTP Strict Transport Security headers will be implemented. data and services have supported HTTPS protocol since 2017, but with this change all users will be redirected to HTTPS to guarantee secure communication.

Programmatic users are encouraged to switch to HTTPS as soon as possible. Not all HTTP clients will necessarily follow redirects automatically.

Individual website users should not be impacted, as modern web browsers will redirect automatically.

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