Sintalk
The identity, delivery, and attribution platform for high-volume communication. Meet every customer, and deliver where it converts.
We are Sintalk, a Brazilian communication platform built for high-volume messaging. Where a commodity CPaaS delivers messages, we deliver revenue: every contact gets a unified identity, every send is orchestrated across channels, and every delivery, click, and conversion is attributed back to the campaign that caused it.
In a hurry?Grab your API key at app.sintalk.com.br and head to our API Reference — endpoints, authentication, and examples all live there.
What we do
We are a layer of identity, delivery, and attribution on top of Brazil's messaging infrastructure:
- Identity — every phone number resolves to a unified contact profile with a single ID, so interactions are tracked across channels instead of living in per-channel silos.
- Delivery — your messages ride direct operator routes, with cascade orchestration that falls back through channels in the order you define until the message lands.
- Attribution — deliveries, opens, clicks, and conversions are tied back to the specific channel and campaign, in real time, so you know what converts — not just what was sent.
We are LGPD-compliant end to end, and everything you can do from our no-code dashboard you can also do through our API.
Channels
| Channel | What it's for |
|---|---|
| RCS | Rich cards, media, and suggested actions from a verified sender profile. |
| SMS | Universal reach over direct operator routes — every handset, no app required. |
| Voice / IVR | Calls and automated response menus, for messages that need to be heard. |
| WhatsApp Business (soon) | Template-based conversations on Brazil's most-used messaging app. |
Our API
Everything on our platform is available over a REST API with webhook callbacks, so your systems can send, orchestrate, and track programmatically. Our API Reference is the single source of truth for endpoints, authentication, request formats, and examples — start there.
Plans
| Plan | Volume | For |
|---|---|---|
| Crescimento | Up to 100k messages/month | Small teams getting started. |
| Scale-up | Up to 10M messages/month | Expanding operations. |
| Enterprise | 10M+ messages/month | High volume, with SLA guarantees and dedicated support. |
A sandbox is available from day one on every plan, and high-volume operations can also connect over SMPP.
Talk to us
- 🌐 sintalk.com.br — our product, solutions, and the why Sintalk story
- 🖥️ app.sintalk.com.br — dashboard and API keys
- ✉️ [email protected] — sales and support
Updated 10 days ago