The RCS API
for Developers

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

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RCS Demos

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

Application times

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.

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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

Sloth MD logo

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 Profile Picture

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

Questions about RCS?

See our commonly asked questions

FAQ

Start building today

Send your first minute in minutes

Quickstart guides
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