Security
Fix Common 2FA Issues on Major Platforms
Step-by-step fixes for 2FA failures on Google, AWS and Coinbase: check delivery, clock sync, backup methods and recovery options.
•7 min read
Blog
Insights, guides, and updates from the JoltSMS team
62 articles found
Communication
Scaling SMS Code Retrieval with Webhooks
Webhooks replace polling: use real-SIM numbers, raw-body HMAC verification, idempotency, and queues to scale SMS OTP retrieval.
•9 min read
Communication
Twilio Alternatives for Cloud SMS Verification
Compare SMS verification providers to find low-cost outbound APIs or real‑SIM inbound numbers for reliably receiving OTPs from banks and cloud services.
•13 min read
Security
Why OAuth Fails with VoIP Numbers
Carrier lookups flag VoIP numbers, causing delayed or failed OAuth SMS verifications. Use real SIM numbers for reliable 2FA and account access.
•10 min read
Security
When To Use SMS 2FA vs Authenticator Apps vs Passkeys
Compare SMS 2FA, authenticator apps, and passkeys - learn which to use: passkeys first, authenticator apps as backup, and SMS only as a last resort.
•17 min read
Security
Why Your 2FA Strategy Belongs in Your SOC 2 / Security Policies
Enabling 2FA alone won’t satisfy SOC 2 — establish formal 2FA policies, centralized authentication logs, RBAC, and offboarding to be audit-ready.
•16 min read
Security
Temporary Phone Numbers and Fraud: How Platforms Detect Abuse
Platforms block VoIP and disposable numbers to stop fraud; learn how detection works and why carrier-issued real-SIM numbers reduce verification failures.
•13 min read
Account Management
Building a 2FA Inbox With Webhooks and APIs
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.
•16 min read
Account Management
Building a “2FA Runbook” Your Team Can Actually Follow
Document every account and use company-controlled real-SIM numbers so teams can reliably access and recover 2FA-protected services.
•13 min read
Account Management
Forwarding 2FA Codes Into Your Helpdesk or Ticketing System
Route 2FA SMS into your helpdesk using a real‑SIM number, webhooks or email to centralize access, create an audit trail, and prevent lockouts.
•14 min read
Account Management
How Non-US Teams Handle US-Only Phone Verification Requirements
Compare physical SIMs, real-SIM rentals, and VoIP to pass US-only phone verification—practical setup, costs, and best practices for non-US teams.
•16 min read
Account Management
Scaling Marketplace Seller Accounts Without Losing Access
Use dedicated real‑SIM numbers, isolate each seller account, and secure team 2FA to avoid linked suspensions and retain access across marketplaces.
•16 min read