Skip to content

API Documentation API Reference Playground RCS GuideSV Start developing

RCS API/API Documentation

Documentation

Callbacks

Explore 1 articles in Callbacks.

RCS APIv3

API Documentation

API Documentation
API Reference
Playground
API status
Introduction
Bundles
Conversations
Messages
Callbacks
Troubleshooting

Handle button presses with PostBackData

© 2026 RCS-API.com / iP1support@ip1.se

Search the developer hub

⌕⌘ K

No results. Try another search term.

API ReferenceEndpoints, methods and authenticationAPI
PlaygroundBuild and preview RCS payloadsTool
API status and changelogPublished operational status, version history and API changesOperations
Create a trial accountFree access to the RCS API and developer toolsAccount
FallbackConfigure automatic SMS fallback when a recipient cannot receive RCS.Introduction
Status codesUnderstand accepted, sent, delivered and failed message status codes.Troubleshooting
Register Brands and AgentsRegister brands and sender agents before sending verified RCS messages.Introduction
Get startedCreate a developer account, generate API credentials and send your first RCS message.Introduction
Check if the recipient's device supports RCSCheck whether a recipient supports RCS and which capabilities are available.Introduction
Send RCS (Multiple recipients)Send RCS messages to multiple recipients with the Bundles API.Bundles
Manage BundlesList bundles, inspect delivery status and manage multi-recipient sends.Bundles
Send RCS (Single recipient)Start a one-to-one RCS conversation with a single recipient.Conversations
Manage conversationsList and manage active or completed RCS conversations.Conversations
List messages in a bundleRetrieve individual messages and delivery states from a bundle.Messages
CardsBuild rich cards and carousels with media, text and interactive actions.Messages
SuggestionsConfigure suggested replies, URL actions and interactive buttons.Messages
Handle button presses with PostBackDataHandle user actions in real time with PostBackData callbacks.Callbacks
RCS Rich Cards – The Complete GuideBuild visual RCS Rich Cards and swipeable carousels with practical API examples.Guide
From SMS to RCS – A guide to next-generation mobile communicationLearn how RCS upgrades SMS with rich media, branding and interactivity.Guide
Interactivity with Suggested Actions and RepliesTurn messages into interactive flows with suggested actions and quick replies.Guide
RCS Verified Sender ID: How to build trust with verified sendersBuild customer trust with verified RCS sender profiles and clear brand identity.Guide
From MMS to RCS: Send high-resolution media and PDFCompare MMS and RCS for high-resolution media, documents and modern messaging.Guide
Measure engagement with RCS: Read status and real-time KPIs beyond SMSMeasure reads, replies and engagement with real-time RCS delivery events.Guide
SMS fallback for RCS: Guaranteed delivery security via a single APIKeep messages deliverable with automatic SMS fallback through one API.Guide
Safer 2FA with RCS: How Verified Sender and Smart Buttons enhance your one-time codesImprove OTP and two-factor authentication with verified senders and smart actions.Guide
Payload optimization in the RCS API: Minimize latency and layout shiftsReduce API latency and layout shifts by designing efficient RCS payloads.Guide

Cookie settings

We use necessary cookies for site functionality. Firebase Analytics is enabled only when you consent to analytics.

NecessaryAnalytics