Insights, guides, and updates from the JoltSMS team
Security
Platforms block VoIP and disposable numbers to stop fraud; learn how detection works and why carrier-issued real-SIM numbers reduce verification failures.
Account Management
Centralize SMS 2FA codes with webhooks and APIs: receive real‑SIM OTPs, validate HMAC‑SHA256 signatures, parse and store codes, and manage team access with RBAC.
Account Management
Document every account and use company-controlled real-SIM numbers so teams can reliably access and recover 2FA-protected services.
Account Management
Route 2FA SMS into your helpdesk using a real‑SIM number, webhooks or email to centralize access, create an audit trail, and prevent lockouts.
Account Management
Compare physical SIMs, real-SIM rentals, and VoIP to pass US-only phone verification—practical setup, costs, and best practices for non-US teams.
Account Management
Build tamper-proof OTP audit trails for 2FA: event logging, metadata capture, secure storage, retention policies, and real‑SIM SMS delivery.
Account Management
Assign company-owned real-SIMs to high-risk accounts, enforce offboarding, and route verification codes securely to prevent lockouts and account loss.
Account Management
Platforms detect VoIP and disposable numbers with carrier lookups, prefix ranges, porting history and behavior; use a real‑SIM mobile number to avoid verification failures.
Account Management
Compare disposable, temporary, and long-term rental numbers for SMS verification: costs, duration, security, and platform acceptance.
Account Management
Uber blocks VoIP numbers for verification to prevent fraud, requiring reliable SIM-based numbers for account security.
Communication
Renting long-term SMS numbers enhances business reliability for verifications and security, ensuring smooth operations without interruptions.
Account Management
Learn how to create a Walmart account without a personal phone number using a reliable SMS verification service.