API Reference

Account Limits API

Validate a key while enforcing a per-key account cap. Requires Multi-Account enabled on the service.

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Validate with account

POST /keys/validate-account

Authenticated by ServiceID + Key in the body (no X-API-Key header). Pass a stable AccountID (for Roblox, the player's UserId). Omit HWID only if HWID verification is disabled.

Success response

Max_Accounts — the account cap (honoring per-key overrides).
Current_Accounts — accounts already bound.
Account_Slots — slots remaining (0 = full).

Failure response

When the cap is reached, validation fails:

Check Authenticated_Status. Grant access only on "Success", and on "Failed" show the Note to the user.