Pontaltech is a São Paulo company that sells business messaging in Brazil: SMS, RCS, the WhatsApp Business API and email, plus Play!, an AI voice agent. It says it sends more than 4 billion messages a year for over 400 customers and is a Google RCS partner and Meta Business Partner. The docs are in Portuguese.
Not published. SMS packages of up to 25,000 messages are ordered through a request form, and other products are quoted on request.
Pontaltech has no iMessage, which is Linq's main channel. Both offer SMS and RCS with fallback to SMS. Pontaltech also sells WhatsApp and email; Linq's WhatsApp is a separate beta API. Linq lists flat monthly plans from $260 for Pro; Pontaltech does not publish prices. Pontaltech's public API docs cover SMS only.
Companies that message customers in Brazil at volume over SMS, RCS and WhatsApp.