sinch-verification-api
Sinch Verification API
Overview
The Sinch Verification API verifies phone numbers through SMS OTP, Flashcall (missed call CLI), Phone Call (spoken OTP), Data (carrier-level), and WhatsApp OTP. Used for registration, 2FA, and number ownership confirmation.
Base URL: https://verification.api.sinch.com
URL path prefix: /verification/v1/
Auth: Application Key + Secret (NOT project-level OAuth2 — see Authentication Guide)
Agent Instructions
Before generating code, you MUST ask the user:
- Which verification method? —
sms,flashcall,callout,seamless, orwhatsapp - SDK or direct HTTP? — If SDK, which language?
Do not assume defaults or skip these questions. Wait for answers before generating code.
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