The RCS API
for Developers
Build, test, and scale RCS and SMS in one API — send your first message in minutes, not weeks.

RCS Demos
Travel
News
Finance
D2C
Healthcare
Travel
News
Finance
D2C
Healthcare
We get your RCS agent
With Pinnacle, we get you up and running in less than an hour and a live agent in 4 weeks by automating compliance on your behalf

Intuitive API & SDKs
Send and receive messages with ease.
from rcs import Pinnacle
client = Pinnacle(
base_url="https://api.pinnacle.sh",
api_key=
)
client.messages.rcs.send(
request={
"from_": "agent_pinnacle",
"options": {
"validate": False
},
"to": "+14154746461",
"quick_replies": [
{
"type": "openUrl",
"payload": "https://www.pinnacle.sh/",
"title": "Open Url"
}
],
"text": "Check out our website for more information!"
}
)
Deliverability
Every message delivered
Identify if a phone number can receive RCS ahead of time, number lookup for deliverability, and get higher throughputs with secondary vetting and short codes
Collaboration
View conversations in real time
Send RCS and SMS messages, share conversations and specific messages with your team, and add contact info and notes for each conversation
Development
Elevate your developer experience
With webhooks that make the transition from dev to prod seamless to our end-to-end compliance API, Pinnacle makes it easy to iterate on new messaging flows.
Flat Pricing, Carrier Fees Included
We include carrier fees in our pricing so it's easy to know exactly how much your messenging will cost you per month.
RCS
$0.025/msg
SMS
$0.015/msg
MMS
$0.025/msg
SlothMD
We evaluated several RCS APIs and Pinnacle stood out for its RCS sandbox messaging, simple RCS agent submissions, and easy-to-understand API.
The Pinnacle team partnered with us every step of the way including adding new features to better control RCS messages, handling our compliance, and ensuring deliverability.

Justin Zheng
Co-founder, SlothMD
60% reduction
in RCS agent application time
Get Started with RCS Business Messaging
Upgrade your messaging and start building for the future
