Drop-in replacement for https://api.anthropic.com/v1/messages.
Point your Anthropic client at Faces’s base URL, swap the API key,
and set model to “iam_username@claude-sonnet-4-6”.
Faces will:
Authenticate the caller
Build the persona profile for iam_username
Inject it into the system field
Forward the full request to Anthropic with our system API key
Stream / return the response verbatim
Deduct token usage from the caller’s credit balance
POST
/
v1
/
messages
Proxy Anthropic Messages
curl --request POST \ --url https://api.faces.sh/v1/messages