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Platform · 5 November 2026

Per-address limits on sign-in and API key creation

Requests that sign in or create an account are limited per client IP address (an IPv6 address counts by its /64): 30 an hour for POST /v2/sign-in/email, and 30 an hour for POST /v2/sign-in/email/verify and Google or SSO sign-in returns together. Creating or rotating API keys (POST /v2/keys, POST /v1/keys) is limited to 60 an hour. Each API server applies these limits on its own. A request over a limit returns 429 rate_limited with a Retry-After header giving the seconds until one more request is accepted; nothing is created, and the refused request does not count toward the limit. Accounts that already exist count the same as new ones.

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