Insights, guides, and updates from the JoltSMS team
Account Management
Check number format, carrier filters, and Uber's 'Call me' option; contact carrier or Uber and change numbers only as a last resort.
Security
Step-by-step fixes for 2FA failures on Google, AWS and Coinbase: check delivery, clock sync, backup methods and recovery options.
Account Management
Fix Walmart SMS verification: use a real U.S. mobile (not VoIP/landline), avoid rapid resends, and use Verify Later or Seller Support.
Communication
Webhooks replace polling: use real-SIM numbers, raw-body HMAC verification, idempotency, and queues to scale SMS OTP retrieval.
Communication
Compare SMS verification providers to find low-cost outbound APIs or real‑SIM inbound numbers for reliably receiving OTPs from banks and cloud services.
Security
Carrier lookups flag VoIP numbers, causing delayed or failed OAuth SMS verifications. Use real SIM numbers for reliable 2FA and account access.
Security
Compare SMS 2FA, authenticator apps, and passkeys - learn which to use: passkeys first, authenticator apps as backup, and SMS only as a last resort.
Security
Enabling 2FA alone won’t satisfy SOC 2 — establish formal 2FA policies, centralized authentication logs, RBAC, and offboarding to be audit-ready.
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.
Guides
Learn why Moltbot users give their AI agent a separate real-SIM number for OTP/2FA. Includes setup patterns, webhook routing, and security best practices.
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.