Authentication

API key or portal token on every request.

API key

Portal → create key with scopes. Header: X-API-Key.

1GET /v1/messages
2X-API-Key: lks_live_xxxxxxxxxxxxx

Portal token

After login + TOTP. Header: Authorization: Bearer … (account, billing, support).

1GET /v1/me
2Authorization: Bearer portal_session_token

Scopes

sms:sendSMS send + read
otp:sendOTP send
otp:verifyOTP verify
whatsapp:sendWhatsApp messages
whatsapp:receiveWhatsApp inbound messages
email:sendTransactional email
account:readProfile, balance, transactions