PIN codes
Set start and end times for PIN codes, and get events on entry.
/access
One API for smart locks and access control. Decide who gets in, where, and when—with PIN codes, mobile keys, and key cards.
Connect smart locks and access systems through one API. Decide who can enter, choose their credentials, and manage access as plans change.
A single Access Grant can request one access method or several at once. Seam handles provisioning across the devices in your spaces.
Set start and end times for PIN codes, and get events on entry.
Send Bluetooth keys by link. No app on iOS; a small app on Android.
Encode cards and fobs, set access times, and join cards on supported systems.
Unlock Bluetooth and NFC doors in your app with Seam SDKs for iOS and Android.
Unlock doors online from your web app or shared links, with start and end times.
Apple & Google Wallet keys on supported systems. Apple fees may apply.
Embed Connect Webview so your users can link their locks and access systems in a few steps.
Choose the person, spaces, schedule, and credentials through the API or the Seam dashboard.
Share an Instant Key link, send a PIN code, or provide a mobile key through your app.
Create grants and read events with the same API, whichever provider your users connect.
Define who, where, and when. Request the credential types you need and track their issuance.
Read the guideRetrieve events through the API, or subscribe to webhooks for updates as they happen.
Explore eventsGive your customers a place to manage access, or handle it yourself in the Seam dashboard.
Give your customers a branded portal to connect devices and manage access and reservations. Embed it in your product without building the interface yourself.
Explore Customer PortalsConnect your locks and access systems, grant access, and manage your devices from the Seam dashboard. Sign in and start working.
Open the dashboardReceive access and device updates in a common format, across connected brands.
POST /webhooks/seamLast payload · excerpt
{
"event_type": "lock.locked",
"method": "automatic",
"device_id": "c901cdf2-426f-4e18-a2a2-3101cab411d6",
"occurred_at": "2026-09-29T08:59:00.000Z"
}Front door locked
Automatic relock
Jane unlocked the front door
Guest PIN used
Front door locked
Automatic relock
Locks go offline and networks fail. Seam manages credential delivery and gives you visibility into what needs attention.
Seam retries provisioning when a device is temporarily unavailable.
See which credentials have been issued and which devices still need attention.
Manage access as schedules and the devices in your spaces change.
Build and test in a sandbox, or talk with us about connecting your access systems.