Capability

Check whether a recipient address supports iMessage or RCS before sending a message.

POST/v3/capability/check_imessage

POST/v3/capability/check_rcs

HandleCheck object { address, from }

address: string

The recipient phone number or email address to check

from: optional string

Optional sender phone number. If omitted, an available phone from your pool is used automatically.

HandleCheckResponse object { address, available }

address: string

The recipient address that was checked

available: boolean

Whether the recipient supports the checked messaging service