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Base URLhttps://facetime.trychert.com/api

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Project API keys

ftk_… keys are bearer credentials for customer API access. Create them in Developer → Project API keys. Secrets are shown once, hashed at rest, and revocable at any time. Use facetime:read for GET endpoints and facetime:write for mutations. Every request requires both headers:

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Worker credentials

ftw_… credentials identify internal Chert infrastructure for heartbeats and call reporting. They are never issued to customers; the prefix is documented only so you can recognize it.

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Key hygiene

  • Keep API keys server-side and out of browser bundles.
  • For Hosted Sessions, send only the short-lived LiveKit participant token to the browser.
  • Rotate by creating a replacement, migrating traffic, then revoking the old key.
  • Webhook signing secrets are separate from API keys.