# zcal Service Sub-processors

_Last updated January 1, 2024_

To provide our services, zcal utilizes various sub-processors. These partners may handle customer data. The purpose, identity, and privacy policy of each sub-processor are detailed below.

## Core Application Infrastructure

These sub-processors are essential for our main product offering. They store and process your data and your customers' data.

### Amazon Web Services

- **Purpose**: SMS
- [**Privacy Policy**](https://aws.amazon.com/privacy/)

### Google Cloud

- **Purpose**: Data processing and storage
- [**Privacy Policy**](https://cloud.google.com/privacy)

### Canny

- **Purpose**: Customer feedback, roadmap, and changelogs
- [**Privacy Policy**](https://canny.io/privacy)

### Postmark

- **Purpose**: Transactional email
- [**Privacy Policy**](https://postmarkapp.com/privacy-policy)

### Twilio

- **Purpose**: Transactional email
- [**Privacy Policy**](https://www.twilio.com/en-us/legal/privacy)

## Supporting Services Infrastructure

These sub-processors handle necessary services outside the main processing. They may store and process your data, but do not store or process your customers' data, except where noted.

### Amplitude

- **Purpose**: Analytics and reporting
- [**Privacy Policy**](https://amplitude.com/privacy)

### Rewardful

- **Purpose**: Affiliate program management
- [**Privacy Policy**](https://www.rewardful.com/privacy)

### Stripe

- **Purpose**: Payment processing
- [**Privacy Policy**](https://stripe.com/privacy)

### Tawk.to

- **Purpose**: Chat support
- [**Privacy Policy**](https://www.tawk.to/privacy-policy/)