Device Location — Network-Based Mobile Geofencing
Retrieve approximate geographical coordinates of mobile devices via carrier antennas. Block fraud without active GPS hardware requests.
TL;DR — Summary
Why use network-based georeferencing over standard GPS?
Mobile GPS coordinates can be spoofed using root developer tools. Device Location queries the physical carrier cell towers (Base Transceiver Stations) connected to the device, making it tamper-proof.
Perfect for confirm-checking transaction requests or validating transport vehicle routes in real-time.
Device Location Benchmarks
Device Location Advantages
Tamper-Proof Location Data
Pulls data from active telecom towers, rendering fake GPS apps useless.
Independent of App Installs
Queries cellular networks directly without forcing active background app running.
Geo-Fraud Risk Scoring
Flag credit card transactions executed far from the user’s physical device location.
Step-by-Step Implementation
GSMA Open Gateway Access
Enable credentials linking your database platform straight to major Brazilian carrier nodes (Vivo, Claro, TIM).
Programmatic Network Queries
Trigger telemetry checks (like SIM Swap or Silent Network Authentication) invisibly via carrier tower routing.
Adaptive Fraud Decisions
Evaluate carrier feedback payloads on your server to request biometrics, selfie checks, or freeze transactions.
Industry-Specific Solutions
Banking & Fintech
SIM Swap checks during Pix transfers, invisible user authentication (SNA) via network cell towers, and loss prevention checks.
Varejo & E-commerce
Spam signup and bot prevention, loyalty points redemption protection, and secure coupon drops checks.
Healthcare & Clinics
Secure medical portal access verification, digital prescriptions auditing, and doctor authentication.
Logistics & Shipping
Driver geographical verification checks using carrier towers, secure drops check, and carrier network status.
Carrier-Grade Local Telecommunications
Unlike legacy global aggregators that suffer from network transit routing delays, BulkSMS provides direct channels with Vivo, Claro, and TIM.
We host our physical core architecture in São Paulo datacenters. This keeps message compliance fully aligned with Brazilian data security standards (LGPD) for all auditing purposes.
Our engineering operations desk provides qualified support in Portuguese 24/7/365, giving your product and dev teams immediate developer-to-developer assistance.
Open Gateway Partner
Direct channels with Vivo, Claro, TIM.
LGPD Sovereignty
São Paulo datacenters protecting user data.
24/7 Portuguese Support
Talk directly to local telecom developers.
Sub-Second Response
Very fast carrier-level telemetry queries.
What our customers say
about our services
"The SIM Swap API saved our fintech from catastrophic account takeover fraud. Indispensable telemetric check."
Paulo Mendes
São Paulo - SP
"We query the last SIM card change timestamp invisibly. Legitimate clients suffer zero onboarding friction."
Alessandra Negrini
Rio de Janeiro - RJ
"Silent Network Authentication (SNA) verifies identities invisibly via mobile carrier towers. Amazing technology."
Selton Mello
Paraná - PR
"GSMA Open Gateway integration approved directly with the tier-1 telcos (Vivo, Claro, TIM) with local support."
Letícia Sabatella
Minas Gerais - MG
"We eliminated account porting social engineering fraud by checking SIM changes during high-value Pix transfers."
Caco Ciocler
São Paulo - SP
"Sub-second API response time. Crucial to guarantee verify sweeps do not slow down our client sign-up funnel."
Cláudia Raia
São Paulo - SP
"Local log hosting in São Paulo and strict LGPD compliance. Paramount for our compliance committee audits."
Tarcísio Filho
Rio de Janeiro - RJ
"Bulk SMS's Network APIs leveled up our digital security. The best technical decision we made this year."
Glória Pires
Paraná - PR
Read more from our blog
SIM Swap Fraud in Brazil: Dynamic Prevention Guide & GSMA Network APIs in 2026
SIM Swap cost financial institutions over BRL 2.5 billion. Learn how open Network APIs and SIM Swap chequing prevent fraud in real time.
Silent Network Auth (SNA): The Next Generation of Passwordless Authentication in Brazil
Learn how Silent Network Auth (SNA) technology works, allowing companies to verify user identity without the friction of sending OTP codes.
Device Location FAQ
Integrate Network Location Tracking
Validate location metrics in real-time to secure digital operations.