Rakuten Mobile

Rakuten CPaaS SMS / Messaging API

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.

GitHub

Documentation

📖
Documentation
https://docs.cpaas.symphony.rakuten.net/getting-started/sms-api/
📖
Documentation
https://docs.cpaas.symphony.rakuten.net/getting-started/sms-api/http-api/sending_sms

Other Resources

🔗
ProductPage
https://symphony.rakuten.com/cpaas/en/sms
🔗
Features
https://symphony.rakuten.com/cpaas/en/sms/feature
🔗
FAQ
https://symphony.rakuten.com/cpaas/en/sms/faq-en/what-is-the-connection-method-to-the-api
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/rakuten-mobile/refs/heads/main/apis.yml

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API entry from apis.yml

apis.yml Raw ↑ 
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