The RCS API
for Developers

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

See our documentation Get RCS Access

Built by engineers from top companies, backed by the best

SMS

RCS

Developing interactive messaging experiences starts with RCS

RCS transforms simple text into interactive experiences with rich cards, high resolution photos and video, and quick replies. Without ever leaving their messaging app, users can enjoy seamless purchase journeys, instant surveys, and personalized support.

Try it out

We get your RCS agent 2-3x faster

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.