VERIFICATION AND SECURITY
Voice OTP and flash call
Last verified 2026-10-28 · 9 Communications API (CPaaS) checked
What this job needs
Required
Verification (OTP) API7/9
Voice OTP5/9
Depends on your situation
Flash call verificationUsers are outside SMS coverage
Right column on Required: share of tracked products that pass the feature check (included or available as an add-on).
Which tool type, and when
Communications API (CPaaS)Best at your volume
5 qualifying products.
Median cost$4.75/mo
Products that pass every required check
Ranked by fit, then cost at 100,000 verifications/month. 5 of 9 tracked products pass; products failing a required feature are not listed.
| Product | Type | Fit | Monthly cost | Incidents (90d) | Customers with this setup |
|---|---|---|---|---|---|
| Bird | Communications API (CPaaS) | 2/2 | $0.50Phone numbers | — | 0 |
| Telesign | Communications API (CPaaS) | 2/2 | $1.50Toll-free number (TFN) | — | 0 |
| Telnyx | Communications API (CPaaS) | 2/2 | $8US Long Code SMS Outbound | — | 0 |
| Twilio | Communications API (CPaaS) | 2/2 | $10.20Receive calls | — | 0 |
| Infobipin review | Communications API (CPaaS) | 2/2 | — | — | 0 |
Cost includes add-ons this job requires. Incidents from public status pages. Customers counted from recorded customer setups.
This job by industry
Publication status: not indexed yet
- Requirement profile is a draft