# UpLink: Securely automate user actions on their device

UpLink runs automation directly on real user devices — no fragile cloud browsers, no credential risks, no added infrastructure. Just fast, reliable, on-device execution.

## Built to connect fragmented systems in banking, Uplink has been vetted for scale and security by the largest financial institutions in the world.

### Faster by design

Zero-copy message protocol moves data up to 20× faster than traditional methods.

### Secure from the start

Authentication and credentials remain fully on-device—no intermediaries, no exposed secrets.

### Built for concurrency

Process multiple tasks at the same time with layered background processing.

### Autoscaling by design

Leverage on-device hardware to reduce scaling costs and complexity.

## Unify fragmented tech

### Comparison

| Feature | Partnership (CoAuth) | Cloud (Puppeteer, Playwright, etc.) | UpLink |
|---------|---------------------|-------------------------------------|--------|
| Can automate user actions | ✓ | ✓ | ✓ |
| Speed to market | Slow or never | ✓ | ✓ |
| Cost | Toll-booth models for using rails | Large cloud infrastructure with GPUs + proxy services | **Low** by using mobile device hardware & connection |
| Reliable authentication | OAuth or passwordless | Breaks when site changes | ✓ |
| Desktop support | ✓ | ✓ | Desktop journeys need a companion mobile device |
| Credentials stay private, on-device | - | ✗ | ✓ |
| Enhanced password manager support | - | ✗ | ✓ |
| CAPTCHA handling | - | Need to pay slow bypass services | User handles, if needed |
| Bot detection handling | - | Requires expensive proxy vendors & evasion | Not a bot logging in |
| Automatically handles authentication | - | Need to reverse engineer & maintain authentication | Native login experience |
| Can support systems behind a VPN | - | ✗ | ✓ |
| Can support hardware MFA | - | ✗ | ✓ |
| Native device fingerprinting | - | Need to forge user fingerprint and behavior | Users device, IP address, behavior, etc. |

### Stable, extensible core

[Patent-backed protocol](https://patents.google.com/patent/US12445443B2/en?oq=US+Patent+No.+12%2c445%2c443) with clear layering—built for evolution and custom transports.

### Zero-trust relay model

Relays forward signed frames without access to payloads, ensuring end-to-end integrity.

### Developer-ready interface

Familiar RPC semantics and compressed JSON make integration straightforward.

### Session-native automation

Runs real sessions on-device to avoid bot detection and MFA drift.

### Field-proven and flexible

Vetted in finance and ready for immediate integration and adaptable across industries.

### Lightweight by design

Zero-copy transport scales with payload size for efficient, high-throughput automation.