Check RCS capability for bulk numbers

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The Bulk Number Capability Check API allows querying multiple mobile numbers in a single request to retrieve their RCS support status, carrier information, and activity status. This is ideal for batch processing and campaign targeting.

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Note:

The Number Capability Check is not available for IN region.

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.
  • To send any RCS messages, you must configure the RCS channel in the Kaleyra platform. To configure the RCS channel in your account, please contact your local Kaleyra representative.
Path Params
string
required

Account SID (Security Identifier).

Body Params

List of device addresses to look up.

The list must contain a minimum of 100 entries and a maximum
of 500 entries.

deviceAddresses
array of strings
required
length between 100 and 500

List of device addresses to look up.

Device addresses are typically phone numbers in E.164 format,
including the country code and a leading "+".

The list must contain a minimum of 100 and a maximum of
500 entries.

deviceAddresses*
Headers
string
required

API key generated from the Kaleyra.io account.

Response

Language
Credentials
Header
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Response
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application/json