Authorization header:
401 with code unauthorized.
API keys
Open Settings → API Keys and create a token with only the scopes it needs. Keep it on your server. Never ship it in browser or mobile code. To rotate a token, create a new one, move your traffic to it, then delete the old one.Scopes
Each endpoint requires one scope. A token without it gets403 with code forbidden.
GET /v0/me works with any valid token. Call it to see which scopes a token has: