Every request must include your API key. Keys are created and managed in Settings → API Keys (agency owners only).
Sending your key
Send the key using one of these headers:
Keys are prefixed with flz_live_ followed by 64 hexadecimal characters:
Keys are shown only once at creation. Store them securely — you cannot retrieve a key after closing the creation dialog.
Scopes
Each key is issued with a specific set of scopes. Requests using a key that lacks the required scope return 403.
Follow the principle of least privilege — only grant the scopes your integration actually needs.