Telesign Verification provides reliable SMS and voice verification services with good API documentation. The integration process is straightforward, and the verification delivery is generally consistent. The dashboard interface is user-friendly and provides clear metrics on verification success rates. Review collected by and hosted on G2.com.
Occasionally experience delays in verification delivery, especially during peak hours. The documentation could be more comprehensive for advanced use cases. Some regions have lower delivery rates than others, and the pricing structure could be more transparent for different volume tiers. Review collected by and hosted on G2.com.
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