Platform primitives

Core v1 API

Auth, users, contact, deliverability, geoip under /api/v1/core/.

Namespaces

/api/v1/core/auth/ — OTP, session, CSRF
/api/v1/core/users/ — user directory
/api/v1/core/contact/ — contact + verification
/api/v1/core/deliverability/ — zip checks
/api/v1/core/geoip/ — IP geolocation

Deliverability check

POST /api/v1/core/deliverability/check/
{"zip_code": "99208"}