# Rakuten CPaaS Confirm (OTP) API

**Canonical:** https://apis.io/apis/rakuten-mobile/rakuten-cpaas-confirm-api/  
**Provider:** Rakuten Mobile — https://apis.io/providers/rakuten-mobile/  
**Base URL:** https://api.cpaas.symphony.rakuten.net  
**Documentation:** https://docs.cpaas.symphony.rakuten.net/getting-started/confirm-api/

Rakuten CPaaS Confirm (OTP) API is one of 3 APIs that [Rakuten Mobile](https://apis.io/providers/rakuten-mobile/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include OTP, 2FA, Authentication, Confirm, and CPaaS. The published artifact set on APIs.io includes API documentation.

One-time PIN delivery and verification API for two-factor authentication and transaction confirmation, with SMS and Voice channel support, lifecycle operations for request / validate / resend / cancel, JWT bearer authentication, and standard JSON payloads over HTTPS. Built for fraud-sensitive enterprise flows requiring carrier-grade reach and audit trails.

## Machine-readable artifacts (2)

- **Documentation** — https://docs.cpaas.symphony.rakuten.net/getting-started/confirm-api/
- **ProductPage** — https://symphony.rakuten.com/cpaas/en

## Other Rakuten Mobile APIs (2)

- [Rakuten CPaaS SMS / Messaging API](https://apis.io/apis/rakuten-mobile/rakuten-cpaas-sms-api/)
- [Rakuten CPaaS Short URL API](https://apis.io/apis/rakuten-mobile/rakuten-cpaas-shorturl-api/)

## Tags

OTP, 2FA, Authentication, Confirm, CPaaS, Voice

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/rakuten-mobile/rakuten-cpaas-confirm-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/rakuten-mobile/.