post
https://rcs-api.na.kaleyra.io/v1//rcs/lookup
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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.
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.

