> All integrations were implemented in-house using the Texts Platform SDK. The SDK will be open sourced at a later date.
Seems like a big nope.
> Messages, contacts, auth credentials, account information never touch Texts servers.
> Your messages are sent directly to the messaging platforms.
> All end-to-end encryption is preserved when the platform supports it.
> Texts is a client and works like the official app.
Apparently all the code runs on the user's device.
> All integrations were implemented in-house using the Texts Platform SDK. The SDK will be open sourced at a later date.
Seems like a big nope.