A short guide on using temporary phone numbers responsibly for testing, privacy separation, and one-off verification tasks.
QA registration tests, disposable sandbox accounts, privacy separation during low-risk signups, and recovery-flow checks.
Do not use temporary numbers for fraud, impersonation, financial abuse, or services where a long-term recoverable number is required.
SMS-BUS can be reviewed as one option for temporary phone number based SMS receiving and API testing.
Reference: sms-bus