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Use a management key (nj_mk_...) created by the account owner under Management keys in Developers → Keys, after email verification. Inference keys (nj_sk_...) cannot call management endpoints; management keys cannot generate content.

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Keep management keys on your server. Requests are limited to the key’s account and granted permissions.

Available operations

Open API Reference → Account management for request schemas, permissions and responses. Start with read-only calls before automating key rotation or project changes.