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API keys provide programmatic access to the Userplane API. Each key is scoped to the user who created it and shares that user’s workspace permissions. You can manage API keys from the Developers tab of your account settings.
API Keys in the Developers tab

Key limits

LimitValue
Maximum keys per user3
Maximum key expiration90 days
Key prefixuspl_

Rate limits

Rate limits are applied per-user, shared across all API keys for that user:
WindowLimit
Per minute120 requests
Per day10,000 requests
See Rate Limits for more details.

Managing your keys

Create API Key

Generate a new API key with optional name and expiration

Manage API Keys

View your keys, check status, and access key actions

Rotate API Key

Invalidate a key and generate a replacement

Revoke API Key

Permanently delete a key