Send a Rich Card Standalone Message with Suggestion

POST Method

The Send a Rich Card Standalone Message with Suggestion API allows sending a Rich Card Standalone message that includes structured content (title, description, media) along with a suggestion chiplist. These suggestions can include quick replies, URL actions, calendar events, location requests, phone dial actions, and map views. This format is ideal for interactive, media-rich messaging experiences such as promotions, service updates, or customer support.

Prerequisites

After you sign up, your account will be on the trial version. You must complete the KYC to access all the features in kaleyra.io.
Before you get started, Create an API Key. To view the API Key and the SID, see View API Key and SID.
Before sending the RCS, you must configure the RCS channel in the Kaleyra platform. To configure the RCS channel in your account, please contact your local Kaleyra representative.

You must have an approved AgentID or a specific number to be used as AgentID.

Base URL

https://rcs-api.<pod>.kaleyra.ai - For North America (NA).

https://rcs-api.<pod>.kaleyra.io - For rest of the world.

API Domain and Value

api_domain	Value
IN pod	https://rcs-api.in.kaleyra.io
NA pod	https://rcs-api.na.kaleyra.ai

API request to send a Rich Card Standalone Message with Suggestion

To send a rich card standalone message with suggestion, use the https://rcs-api.<pod>.kaleyra.ai/v1/<sid>/rcs/messages endpoint with the following request method:

Request Format

The following is the request format to send a rich card standalone message with suggestion:

curl --location --request POST 'https://<api_domain>/v1/<sid>/rcs/messages'\
--header 'Content-Type:<Content-Type>' \
--header 'api-key: <api-key>' \
--data { 
  "from": "<from>", 
  "to": [ "<to>" ], 
  "richCardStandalone": { 
    "cardOrientation": "<cardOrientation>", 
    "thumbnailImageAlignment": "<thumbnailImageAlignment>", 
    "content": { 
      "title": "<title>", 
      "description": "<description>", 
      "media": { 
        "height": "<height>", 
        "file": { 
          "contentDescription": "<contentDescription>", 
          "fileUrl": "<fileUrl>", 
          "thumbnailUrl": "<thumbnailUrl>" 
        } 
      } 
    }, 
    "suggestions": [ 
      { 
        "action": { 
          "text": "<actionText>", 
          "postbackData": "<postbackData>", 
          "buttonId": "<buttonId>", 
          "openUrlAction": { 
            "url": "<openUrl>" 
          } 
        } 
      }, 
      { 
        "action": { 
          "text": "<actionText>", 
          "postbackData": "<postbackData>", 
          "buttonId": "<buttonId>", 
          "createCalendarEventAction": { 
            "startTime": "<startTime>", 
            "endTime": "<endTime>", 
            "title": "<eventTitle>", 
            "description": "<eventDescription>" 
          } 
        } 
      }, 
      { 
        "action": { 
          "text": "<actionText>", 
          "postbackData": "<postbackData>", 
          "buttonId": "<buttonId>", 
          "askLocationAction": {} 
        } 
      }, 
      { 
        "action": { 
          "text": "<actionText>", 
          "postbackData": "<postbackData>", 
          "buttonId": "<buttonId>", 
          "dialAction": { 
            "phoneNumber": "<phoneNumber>" 
          } 
        } 
      }, 
      { 
        "action": { 
          "text": "<actionText>", 
          "postbackData": "<postbackData>", 
          "buttonId": "<buttonId>", 
          "viewLocationAction": { 
            "label": "<locationLabel>", 
            "latLng": { 
              "latitude": <latitude>, 
              "longitude": <longitude> 
            } 
          } 
        } 
      }, 
      { 
        "action": { 
          "text": "<actionText>", 
          "postbackData": "<postbackData>", 
          "buttonId": "<buttonId>", 
          "viewLocationAction": { 
            "query": "<locationQuery>" 
          } 
        } 
      } 
    ] 
  } 
}

Sample Request Format

The following is the sample request format to send a rich card standalone mess

curl --location --request POST 'https://rcs-api.na.kaleyra.ai/v1/xxxxx6913850xxxx/rcs/messages'\
--header 'Content-Type: application/json'\ 
--header 'api-key: xxxxx3b8497f58a94e84b671aca43xxxx'\ 
--data { 
  "from": "rcs-test", 
  "to": ["9191588XXXXX"], 
  "richCardStandalone": { 
    "cardOrientation": "VERTICAL", 
    "content": { 
      "title": "Air India", 
      "description": "✈️ Fly high with Air Bharat!🌍 Enjoy up to 40% off on select international and domestic routes...", 
      "media": { 
        "height": "MEDIUM", 
        "file": { 
          "fileUrl": "https://i.pinimg.com/736x/bd/c1/b2/bdc1b224b381818a7ec2b375fa2a4998.jpg", 
          "thumbnailUrl": "https://i.pinimg.com/736x/bd/c1/b2/bdc1b224b381818a7ec2b375fa2a4998.jpg", 
          "contentDescription": "Air India airplane flying in the sky" 
        } 
      }, 
      "suggestions": [ 
        { 
          "reply": { 
            "text": "Avail-Offer", 
            "postbackData": "flight_offer" 
          } 
        }, 
        { 
          "action": { 
            "text": "Book Now!", 
            "postbackData": "Book_flight", 
            "openUrlAction": { 
              "url": "https://www.example.com/in/en/book.html" 
            } 
          } 
        }, 
        { 
          "action": { 
            "text": "Travel Information", 
            "postbackData": "cair_india_travel_info", 
            "openUrlAction": { 
              "url": "https://www.example.com/in/en/travel-information.html" 
            } 
          } 
        }, 
        { 
          "action": { 
            "text": "Customer Support", 
            "postbackData": "postback_data_1234", 
            "fallbackUrl": "https://www.example.com/in/en/contact-us.html", 
            "dialAction": { 
              "phoneNumber": "+9111693XXXXX" 
            } 
          } 
        } 
      ] 
    } 
  }, 
  "suggestions": [ 
    { 
      "action": { 
        "text": "One-Way Trip", 
        "postbackData": "one_way_trip", 
        "openUrlAction": { 
          "url": "https://www.example.com/" 
        } 
      } 
    }, 
    { 
      "action": { 
        "text": "Round Trip", 
        "postbackData": "round_trip", 
        "openUrlAction": { 
          "url": "https://www.example.com/" 
        } 
      } 
    }, 
    { 
      "action": { 
        "text": "Check your calendar", 
        "postbackData": "postback_data_1234", 
        "fallbackUrl": "https://www.google.com/calendar", 
        "createCalendarEventAction": { 
          "startTime": "2025-07-01T19:00:00Z", 
          "endTime": "2025-07-02T20:00:00Z", 
          "title": "Tata Power bill due.", 
          "description": "Final date for bill payment to avoid late fee." 
        } 
      } 
    } 
  ] 
}'

URL Parameters and Headers

The following is the list of parameters and headers to send the outgoing message request:

Parameter/Headers	Data Type	Description	Example	Mandatory?
`sid`	String	Account SID (Security Identifier).	xxxxx6913850xxxx	Yes
`Content-Type`	String	Indicates the format of the content the API will be processing.	The only allowed value is application/JSON	Yes
`api-key`	String	API key generated from kaleyra.io account.	xxxxx3b8497f58a94e84b671aca43xxxx	Yes

Following is the list of attributes to be used in the payload to send the messages:

Parameter	Data Type	Description	Example	Mandatory?
`from`	String	The service code unique to the RCS agent, specified when the RCS agent is created or onboarded.	rcs-test	Yes
`to`	Array of String	List of recipients’ device addresses (up to 100 allowed), which can either be a phone number in E.164 format prefixed with the country code without a plus sign, or a URI-like identification used to contact the user.	[9191588XXXXX]	Yes
`richCardStandalone`	JSON Object	Container for rich card content.	See the specific table for details.	Yes

The following table describes the different attributes used for the richCardStandalone JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`cardOrientation`	String	Defines the layout direction of the rich card’s content, specifying whether the card elements (like images, text, buttons, and chips) are arranged horizontally or vertically.	VERTICAL	Yes
`thumbnailImageAlignment`	String	Alignment of thumbnail image (LEFT, RIGHT, and so on.)	LEFT	No
`content`	JSON Object	The content of the rich card.	See the specific table for details.	Yes
`suggestions`	JSON Object	List of chiplist items (quick replies or actions).	See the specific table for details.	No

The following table describes the different attributes used for the content JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`title`	String	Title of the rich card.	Air India	Yes
`description`	String	Description text of the rich card (2000 Unicode characters max.).	✈️ Fly high with Air Bharat!🌍…	Yes
`media`	JSON Object	Media to be included in a rich card.	See the specific table for details.	No

The following table describes the different attributes used for the media JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`height`	String	Height of the media (SHORT, MEDIUM, TALL).	MEDIUM	Yes
`file`	JSON Object	File message content to send to the users’ device, typically an image, audio, or a video file.	See the specific table for details.	Yes

The following table describes the different attributes used for the file JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`fileUrl`	String	Public accessible URL of the media file (image or video).	https://i.pinimg.com/736x...jpg	Yes
`thumbnailUrl`	String	Public accessible URL of the thumbnail image.	"https://i.pinimg.com/736x...jpg	No
`contentDescription`	String	Description of the media content for accessibility.	Air Bharat airplane flying in the sky.	No

The following table describes the different attributes used for the <suggestions> JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`reply`	JSON Object	Contains the details of the reply chip.	See the specific table for details.	No
`action`	JSON Object	Contains the details of the action chip.	See the specific table for details.	No

The following table describes the different attributes used for the reply JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`text`	String	Text displayed on the reply chip.	Avail-Offer	Yes (if reply)
`postbackData`	String	Data sent back to your system when the reply chip is clicked.	flight_offer	Yes (if reply)

The following table describes the different attributes used for the action JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`text`	String	Text displayed on the action chip.	Visit Website	Yes
`postbackData`	String	Data sent back to your system when the action chip is clicked.	tata_comm_website	Yes
`buttonId`	String	Identifier for the action button.	01	No
`openUrlAction`	JSON Object	Contains the URL to be opened when the action chip is clicked.	See the specific table for details.	No
`createCalendarEventAction`	JSON Object	Contains details for a calendar event.	See the specific table for details.	No
`askLocationAction`	JSON Object	Contains details to trigger a location request from the user.	See the specific table for details.	No
`fallbackUrl`	String	A backup URL that opens if the primary action fails or is unsupported on the user's device.	`https://www.example.us.htm	No
`dialAction`	JSON Object	Contains phone number to be dialed.	See the specific table for details.	No
`viewLocationAction`	JSON Object	Contains location details.	See the specific table for details.	No

The following table describes the different attributes used for the openUrlAction JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`url`	String	A URL, as defined by RFC 2396 (4000 Unicode characters max.)	https://www.tatacommunications.com/	Yes (if action)

The following table describes the different attributes used for the createCalendarEventAction JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`startTime`	String	Start time of the calendar event (ISO 8601 format).	2025-07-01T19:00:00Z	Yes (if used)
`endTime`	String	End time of the calendar event (ISO 8601 format).	2025-07-02T20:00:00Z	Yes (if used)
`title`	String	Title of the calendar event.	Tata Power bill due	Yes (if used)
`description`	String	Description of the calendar event.	Final date for bill payment to avoid late fee.	No

The following table describes the different attributes used for the dialAction JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`phoneNumber`	String	Phone number to dial when the chip is clicked.	+9111693XXXXX	Yes (if used)

The following table describes the different attributes used for the viewLocationAction JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`label`	String	Label for the location view chip.	Airport	Yes (if used)
`latLng`	JSON Object	Contains the location details.	See the specific table for details.	Yes (if used)

The following table describes the different attributes used for the latLng JSON object:

Parameter	Data Type	Description	Example	Mandatory?
`latitude`	Number	Latitude of the location.	28.6139	Yes (if used)
`longitude`	Number	Longitude of the location.	77.2090	Yes (if used)
`query`	String	Location search query.	New Delhi Airport	Yes (if used)

Sample Success Response

The following success message appears:

{
  "recipientDetails": [
    {
      "to": "9191588XXXXX",
      "messageId": "dc4cxxxx-xxxx-xxxx-xxxx-xxxx349a5e3d "
    }
  ]
}

The following examples illustrate typical success responses generated during the lifecycle of a message transmitted using the messaging platform. These responses represent key stages in message delivery, including successful submission to the carrier, delivery to the recipient's device, and confirmation of message read status. Each response includes metadata such as timestamps, message identifiers, and event types, which can be used for tracking and diagnostics.

Sent

The messages that are successfully submitted from Google to the carrier.

{ 
  "type": "SENT", 
  "eventId": "c8c3aa5d-1082-45a9-9f88-026c9XXXXX94", 
  "from": "9176739XXX02", 
  "to": "mmx_traffic", 
  "sentAt": "2025-06-16T13:46:38.929Z", 
  "messageId": "4543932d-c8f0-48c4-90bf-f9aXXXXXX2095f" 
}

Delivered

The messages that are successfully delivered to the recipient's handset.

{ 
  "type": "DELIVERED", 
  "eventId": "MxfdhMDmfXXXXXQQBlrIGcIg", 
  "from": "91767XXXXXX2", 
  "to": "mmx_traffic", 
  "sentAt": "2025-06-16T13:46:41.295Z", 
  "messageId": "4543932d-c8f0-48c4-90bf-f9aXXXXX005f" 
}

Read

The messages that have been read on the recipient's handset.

{ 
  "type": "READ", 
  "eventId": "MxZJragNjfT=qY4XXXXXYxcA", 
  "from": "917673XXXXX2", 
  "to": "mmx_traffic", 
  "sentAt": "2025-06-16T13:46:49.193Z", 
  "messageId": "4543932d-c8f0-48c4-90bf-f9aXXXXX005f" 
}

Error

The messages that have been undelivered.

Sample Failure Response

{

    "status": "ERROR",

    "errorText": "Error Message"

}

Updated about 8 hours ago