O Smart Lock WiFi
The Sifely OSmart WiFi / OSilverWiFi is the Wi-Fi-enabled version of the Sifely O smart deadbolt. It is a biometric smart deadbolt lock designed for homes, apartments, offices, and Airbnb rentals, featuring built-in Wi-Fi and Bluetooth connectivity for direct remote control without needing a separate gateway. It supports multiple unlocking methods including fingerprint recognition, keypad PIN codes, smartphone app access, RFID key fobs/cards, and physical backup keys. Additional features include remote access management, real-time activity logs, temporary guest codes, auto-lock, and compatibility with Alexa and Google Assistant.
SifelyAmericas
United StatesAmazon USCanadaAmazon USThis exact finish is on sale on amazon.com (nothing verified on amazon.ca).MexicoAmazon MXBrazilSifely pageNo retail listing and no manufacturer shop serving this country, so the visitor is sent to the manufacturer's product page — which informs rather than sells.Western Europe
United KingdomSifely pageNo retail listing and no manufacturer shop serving this country, so the visitor is sent to the manufacturer's product page — which informs rather than sells.IrelandSifely pageNo retail listing and no manufacturer shop serving this country, so the visitor is sent to the manufacturer's product page — which informs rather than sells.FranceSifely pageNo retail listing and no manufacturer shop serving this country, so the visitor is sent to the manufacturer's product page — which informs rather than sells.GermanyAmazon DEAustriaAmazon DESwitzerlandAmazon DEBelgiumSifely pageNo retail listing and no manufacturer shop serving this country, so the visitor is sent to the manufacturer's product page — which informs rather than sells.LuxembourgAmazon DEThis exact finish is on sale on amazon.de (nothing verified on amazon.fr).NetherlandsAmazon DEThis exact finish is on sale on amazon.de (nothing verified on amazon.nl).Asia-Pacific
JapanSifely pageNo retail listing and no manufacturer shop serving this country, so the visitor is sent to the manufacturer's product page — which informs rather than sells.AustraliaSifely pageNo retail listing and no manufacturer shop serving this country, so the visitor is sent to the manufacturer's product page — which informs rather than sells.Elsewhere
Anywhere elseAmazon USAutomate the Sifely O Smart Lock WiFi with Seam and start managing your devices today.
O Smart Lock WiFi
Control This Device With Seam API and TTLock
Connect your TTLock with Seam API to use these features.
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Capabilities
What you can do with this device, using Seam API.
Device Connectivity
Device has built-in server connectivity
Automate Access with Sifely O Smart Lock WiFi
A core use case is syncing access codes with reservations from your booking system. With Seam, you can plug calendar tools like Calendly, Cal.com, Google Calendar, and iCal; e-commerce backends like WooCommerce or Shopify; or even class- or appointment-booking software like Mindbody and Acuity. Every confirmed reservation can be set to automatically create a unique, time-bound code on the O Smart Lock WiFi at check-in and revoke it at check-out—no manual handling, no shared codes.
The O Smart Lock WiFi by Sifely can be used to automate secure access for your customers, guests, or users using Seam's self-serve solution.
With support for time-based access codes, you can automatically grant and revoke access based on real-world events like bookings, schedules, or user actions—without manual intervention.
This is especially useful for:
- Short-term rentals (Airbnb, vacation rentals): automatically generate unique access codes for each guest stay, and revoke them at checkout
- Paddle clubs and sports facilities: grant access to courts or gates based on reservation times
- Golf practice ranges and leisure venues: control access to specific areas depending on bookings or time slots
- Music studios and recording booths: issue time-bound codes valid only during the booked session, with automatic revocation after
- Small businesses and studios: manage employee or customer access without physical keys
- Shared spaces and small offices: assign temporary or recurring access to members or staff
Using Seam, you can connect your O Smart Lock WiFi, listen to events from your booking system or backend, and programmatically create access codes that are valid only during the desired time window.
Control Access Remotely with Sifely O Smart Lock WiFi
The O Smart Lock WiFi by Sifely supports remote unlocking via the Seam API.
Beyond admin or staff workflows, you can embed an "Unlock" button directly inside your customer-facing app, allowing authorized end-users to open a door, gate, or locker themselves during their reservation or membership window—no front-desk hand-off required.
This pattern works particularly well for:
- Spas, wellness, and yoga studios: let members unlock treatment rooms, lockers, or studios on arrival
- Golf practice ranges: unlock bays, ball machines, or driving-range gates from the customer's app
- Tennis and racquetball clubs: authorize court access during the booked time slot, with no front-desk hand-off
- Fitness studios and gyms: give members 24/7 self-service entry tied to their active subscription
- Co-working spaces and shared offices: let members open the front door or private suites from a branded app
You can also trigger unlock actions programmatically—for example:
- Add a button in your app or admin dashboard to unlock a door or gate
- Allow staff to remotely grant access during a reservation
- Enable backup access in case a user cannot use their code
- Build simple interfaces for operators to manage access live
Combined with scheduling or reservation logic, this allows you to create flexible access experiences—for example, enabling a "Unlock" button that only works during an active booking time window.
Works with these apps
Property management, guest experience and access platforms that connect the Sifely O Smart Lock WiFi through Seam. Partners manage their own listing; Seam verifies the integration.
BreezewayDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
CloudBedsDeclared for Sy (2026-10-22, GTM-1061): 17 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
ConduitDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
EvolveDeclared for Sy (2026-10-22, GTM-1061): 43 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
GuestyDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
GymdeskDeclared for Sy (2026-10-22, GTM-1061): 49 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
HostawayDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
KasaDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
LodgifyDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
SwiftDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
WodifyDeclared for Sy (2026-10-22, GTM-1061): 58 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
AkiaDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
BaselineDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
Besty AIDeclared for Sy (2026-10-22, GTM-1061): 54 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
BoomDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
Capital HostelsDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
CorzlyDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
EnsoDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
EviivoDeclared for Sy (2026-10-22, GTM-1061): 50 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
FairlyDeclared for Sy (2026-10-22, GTM-1061): 9 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
FreetobookDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
GathernDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
Guest ReadyDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
HomevyDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
HosteasyDeclared for Sy (2026-10-22, GTM-1061): 4 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
HostifyDeclared for Sy (2026-10-22, GTM-1061): 721 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
HostToolsDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
HotelmeisterDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
HoustDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
JurnyDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
LinkbaseDeclared for Sy (2026-10-22, GTM-1061): 31 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
LuxstayDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
MinutDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
OnRepeatDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
OpertoDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
OutsiteDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
Professionals QueenstownDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
ProhostAIDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
Property StackDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
Q-BookDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
RausDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
RedAwningDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
ResNexusDeclared for Sy (2026-10-27, GTM-1061): 77 of 96 production Connect Webviews in the last 90 days offer TT Lock; covers TT Lock white-label brands such as 33 Lock.
Rocky Mountain Resort ManagementDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
SimplihostDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
SkeddaDeclared for Sy (2026-10-22, GTM-1061): 27 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
SmoobuDeclared for Sy (2026-10-22, GTM-1061): 38 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
SuiteOpDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
SupahostDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
TIDYDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
TokeetDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
TrellisDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
UplistingDeclared by Sy (2026-10-18): observed active on TT Lock; covers TT Lock white-label brands such as 33 Lock.
UpmarketDeclared for Sy (2026-10-22, GTM-1061): 206 managed TT Lock devices in production (warehouse); covers TT Lock white-label brands such as 33 Lock.
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