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Certificate API Meaning

A certificate API is a programming interface that allows developers to automate the management of digital certificates used for encryption, authentication and secure communication. Certificates—such as TLS/SSL certificates for web servers or client certificates for mutual authentication—must be issued, renewed, revoked and rotated regularly. An API enables these tasks to be performed programmatically instead of manually through a web console.

Using a certificate API, organizations can integrate certificate lifecycle management into DevOps pipelines and infrastructure‑as‑code frameworks. This ensures that certificates are provisioned consistently across environments and that expiring certificates are replaced before they cause downtime. APIs may interface with public certificate authorities, internal PKI systems or cloud provider certificate services.

Proper management of certificates is essential for maintaining secure connections and preventing man‑in‑the‑middle attacks. Automating the process reduces human error, improves compliance and allows teams to scale security practices across complex, distributed systems.

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