Rakuten CPaaS SMS / Messaging API

aid: rakuten-mobile:rakuten-cpaas-sms-api
name: Rakuten CPaaS SMS / Messaging API
tags:
- SMS
- Messaging
- CPaaS
- A2P
- P2A
- Delivery Receipts
humanURL: https://docs.cpaas.symphony.rakuten.net/getting-started/sms-api/
baseURL: https://api.cpaas.symphony.rakuten.net/sms/v1
description: Carrier-grade SMS API for sending and receiving A2P and P2A SMS at scale on the Rakuten Mobile
  network, with delivery receipts pushed to caller-configured webhooks. UTF-8 encoded, JWT-authenticated
  REST endpoints (HTTP variant) alongside an SMPP variant for bulk MNO interconnect. Sender addresses
  must be pre-registered with operators. Used by enterprises for OTP delivery, transactional alerts, and
  marketing campaigns through the Rakuten CPaaS dashboard.
properties:
- url: https://docs.cpaas.symphony.rakuten.net/getting-started/sms-api/
  type: Documentation
- url: https://docs.cpaas.symphony.rakuten.net/getting-started/sms-api/http-api/sending_sms
  type: Documentation
- url: https://symphony.rakuten.com/cpaas/en/sms
  type: ProductPage
- url: https://symphony.rakuten.com/cpaas/en/sms/feature
  type: Features
- url: https://symphony.rakuten.com/cpaas/en/sms/faq-en/what-is-the-connection-method-to-the-api
  type: FAQ