The Rich Communication Services API for Developers

Python
TypeScript
Ruby
pip install rcs

SMS is dead. RCS is replacing it as the new messaging standard available on every device in the world.
No downloads required.

Backed by

Y Combinator Logo

The difference is obvious

We provide a simple, elegant interface so you can start sending SMS/MMS & RCS messages in minutes.

cURL
Python
TypeScript
Ruby
1curl -X POST "https://www.trypinnacle.dev/api/send/rcs" 2    -H "PINNACLE-API-KEY: <YOUR-API-KEY>" 3    -H "Content-Type: application/json" 4    -d '{5        "to": "<YOUR-PHONE-NUMBER>",6        "from": "test",7        "cards": [8            {9                "title": "Founder Mode T-shirt",10                "subtitle": "$32, Available in S, M, L",11                "mediaUrl": "https://imgproxy.fourthwall.com/WJ9gup_kEe9z3C6BrRCsUX-ehR1HnskAKqBB3ES0_zw/w:900/sm:1/enc/YWUyMzNjMDlmZDJj/M2QyN2eJD23FK7Ps/8OvDiNKDI5VHWM7a/2hsjHnivj2W5HqmB/ZNzuFvGPa8faV3nz/u_FTkvcrz6HmpBBl/rmYuyVTyqpZ608WX/1dEPN4ErF8xtYy9E/D2hFydkvwLHN_UAN/2mUkGYQRHWrq5fZr/knyhc7tHjVtmIhvp/unz0fyxAjCLSm5J8/rtFAbVatzBMph7-E/wkFzQZxy2rmB5keS/kvVru0Cen8U.webp",12                "buttons": [13                    {14                        "title": "Buy T-Shirt",15                        "type": "trigger",16                        "payload": "buy_shirt"17                    }18                ]19            },20            {21                "title": "Founder Mode Hat",22                "subtitle": "$23, One size",23                "mediaUrl": "https://imgproxy.fourthwall.com/xRtFyKSoddPa5v2UkjCLEty5her_DBHB_kaiCRmvV04/w:900/sm:1/enc/NDdmZTczZmQ1YTEx/Y2U4Ni9gpFFldERG/xKCU7qYf3mYioC_o/AuM0uu8imyJauo0L/cZGIMsVOyKBJla3t/ewmTWdSx1Ga9fOmK/qtIP7dOAP4hTX5ZU/E2ZaaXg94cMJV_qW/yNnTtfs7qwnyHV1o/xJ58rzbKJgHk8r-1/nzDQf9zMRq3aNLtC/Tb_R9p98DhLIKE5i/iRVXyEyCRMCI2PvR/gomBdntq-DRmMHBT/iHGTnok2LGM.webp",24                "buttons": [25                    {26                        "title": "Buy Hat",27                        "type": "trigger",28                        "payload": "buy_hat"29                    }30                ]31            },32            {33                "title": "Founder Mode Sticker",34                "subtitle": "$9-9.50, 3 sizes",35                "mediaUrl": "https://imgproxy.fourthwall.com/oCrDqOZnqyFLe7YaeU4Uyyxit0Ja85lowbrTQdfcTdg/w:900/sm:1/enc/YWNhNDY2MTMyZDAx/NmViN35fHSh-Xa_a/reTEJO6ql52a3Pcw/M9Nr2WF9_HfqafME/nnI22IrI_xqGl-M4/mEpKXG79lo0kT9xQ/uPlni8-pbjIb-q36/E-sO-q4eHu9_7YMT/VLLzXCkCQ6B1LfrI/SxUJGTQ6_YQsNEk5/KlD8AKpMgggBO11I/chrhxnjvrhsHf-OH/GjjUA2A50utyloGE/hvngUNKI24C6JSh-/olM2jfNCmUc.webp",36                "buttons": [37                    {38                        "title": "Buy Sticker",39                        "type": "trigger",40                        "payload": "buy_sticker"41                    }42                ]43            }44        ],45        "quickReplies": [46            {47                "title": "Call Sean",48                "type": "call",49                "payload": "+16287261512"50            },51            {52                "title": "Visit Store",53                "type": "openUrl",54                "payload": "https://shop.trypinnacle.app?ref=text"55            }56        ]57   }'58
RCS Messaging Example

RCS Message

RCS Adoption Timeline

A brief overview of RCS

2019

RCS Available on Android

RCS began rollout on Android devices

2024

Carriers Enroll

RCS fully rolled out on Android and all major USA carriers

Late 2024

Apple Announces RCS Support

Apple announces support for the RCS universal profile, rolling out peer to peer RCS in September 2024 with rollout for RCS Business Messaging in October 2024