GET /ping as your first call whenever you set up a new integration or rotate an API key. It confirms your key is active, tells you which account it belongs to, and lists the scopes it carries — all without touching any merchant data.
Authentication
Send your API key as a Bearer token or in theX-Api-Key header. No additional scope is needed.
When you include the
X-Merchant-Id header, the response also contains an activeMerchant object with the resolved merchant’s details. This is useful for confirming that a merchant ID you intend to use is correctly linked to your company account.Request
Basic health check
With merchant context
Response
200 — Success
string
API version string — always
"Now Shipping Public API v1".object
Details of the business account associated with this API key.
string[]
Scopes enabled on this key — any combination of
orders, pickups, and merchants.string
Key prefix, always
nsk_live for production keys.