Send RCS Message API (Quick)

Send RCS (Quick) for SMSGatewayCenter APIs

Send RCS Message API (Quick)

Use the Send RCS API to deliver RCS messages through SMSGatewayCenter using an approved template. This endpoint accepts POST requests and returns JSON. This page uses sendMethod=quick. Send to one or more mobile numbers.

Do not send live account usernames or passwords in public examples. Replace placeholders with your own credentials.

 

API Endpoint

https://unify.smsgateway.center/RCSApi/send

 

Authentication

Send userid (your account username) and password in the request body. RCS must be enabled on your account, and the botId must belong to that account.

 

Parameter Required Description Example/Value
Authentication
userid Yes Your SMSGatewayCenter account username. YourUsername
password Yes Your account password. **********
Message Parameters
sendMethod Yes Set to quick on this page. Allowed values: quick (one or more mobiles), group (saved contact group), or bulkupload (file upload). quick
msgType Yes Message type. Use text for template-based RCS content. text
format Yes Response format. json
botId Yes RCS bot identifier used to send the message. YOUR_BOT_ID
msg Yes RCS payload JSON. Include contentMessage.templateMessage.templateCode and optional ttl. See sample request
mobile Yes Recipient number with country code. Required for quick. Comma-separated for multiple numbers. 919999999999
identifier Optional Campaign identifier for your records. api_campaign_001

 

Sample Request - Quick / Batch (cURL)
curl --location --request POST 'https://unify.smsgateway.center/RCSApi/send' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'password={{PASSWORD}}' \
--data-urlencode 'userid=YourUsername' \
--data-urlencode 'sendMethod=quick' \
--data-urlencode 'msgType=text' \
--data-urlencode 'format=json' \
--data-urlencode 'botId={{botId}}' \
--data-urlencode 'mobile=919999999999' \
--data-urlencode 'msg={
  "contentMessage": {
    "templateMessage": {
      "templateCode": "WELCOME_TEMPLATE"
    }
  },
  "ttl": "86400s"
}' \
--data-urlencode 'identifier=api_campaign_001'

 

Sample Success Response
{
  "status": "success",
  "mobile": "919999999999",
  "invalidMobile": "",
  "transactionId": "3983571817594375469",
  "statusCode": "200",
  "reason": "success",
  "msgId": ""
}

 

Notes

  • Use an approved template code in msg.contentMessage.templateMessage.templateCode.
  • ttl is the message time-to-live, for example 86400s for 24 hours.
  • Create and manage templates with the Create RCS Template API.
  • List bots for your account with the RCS Bots REST API.
Testimonials

Why do Great Businesses Trust SMS Gateway Center?

We have tied up with other SMS providers also, but SMS GatewayCenter is quite good. Good Service from the team. We are very happy with the service be it accounts related or technical issue. We always get good response.

K

Kurlon IT

2022-08-04

We have an excellent experience with SMS Gateway Center. The services and support has been of very high standard.

I

INOX Air Products

2018-02-09

I’ve been using SMSGatewayCenter’s bulk SMS and WhatsApp services since early 2022 for my small business, and the experience has been fantastic. The platform is intuitive, and the message delivery is incredibly reliable, reaching my customers without fail. The 24/7 support team is quick to assist, and the cost-effectiveness is a big plus. It’s transformed how I connect with my audience, and I highly recommend it to other entrepreneurs! (Google Revirews)

S

Shalabh Arora

2025-04-11

We’ve been using your bulk SMS services for a few months, and the results have been phenomenal. The open rates and customer engagement have gone through the roof. Highly recommend for any business looking to scale fast! (Google Revirews)

R

Reflex

2025-04-11

I’m Vedanth Gowda, leading a finance business, and I’ve been leveraging SMSGatewayCenter’s bulk SMS and WhatsApp tools —absolutely transformative! The platform’s speed and precision in delivering financial alerts to my clients are unmatched, giving me a competitive edge. Samrat’s expertise in tailoring notification workflows for market updates was a standout, and the robust security features instilled trust. The affordable pricing and proactive support team make it a no-brainer. Perfect for finance pros aiming to elevate client trust and efficiency! (Google Revirews)

V

Vedanth Gowda

2025-04-18

From day one, the team at SMS GATEWAY CENTER guided us through setup, testing, and launching campaigns. Their support is A+. Whether you’re new to SMS marketing or experienced, they make it smooth. Thank you Aakash. (Google Revirews)

N

Naval Bhatnagar

2025-04-12

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