Publisher API key
Used by publishers to manage their account, sites, and settings.- Prefix:
xk_pub_ - Generated at registration and on login (key rotation)
- Stored as SHA-256 hash — the plaintext is returned once and cannot be retrieved
- Rotate via
POST /v1/publishers/me/api-key/rotate
Site token
Used by server middleware to create gates and verify access tokens.- Prefix:
st_ - Generated when a site is registered
- Stored as SHA-256 hash — the plaintext is returned once
- Scoped to a single site
Wallet address
Used by agents to query their profile and payment history. No cryptographic proof required — used for lookup only.- Must be a valid EVM address:
0xfollowed by 40 hex characters - No signature verification in MVP