Check if email is registered
Auth
Check if email is registered
Mirrors GraphQL isEmailExists. No API key.
POST
Check if email is registered
Headers
HMAC-SHA256 signature: HMAC-SHA256(secretKey, timestamp + METHOD + path + body). Required for API-key authenticated requests (JWT/OAuth session auth is exempt).
Request timestamp in epoch milliseconds. Required with x-signature for API-key auth. Rejected if drift exceeds 5 minutes.
Body
application/json
Example:
"user@example.com"