# Gateway: Verification & Intent Layer

*ONCHAIN®* Gateway orchestrates the top of the funnel — verifying payments, validating assets, enforcing compliance, and broadcasting BuyIntents to OPN.

### Responsibilities

#### **1. Context Loading**

* Detect chain
* Detect token
* Hydrate metadata via Smart Guardrails

#### **2. Payment Handling**

Supported payment rails:

* Cards
* Apple Pay
* Google Pay
* Local methods (depending on region)
* Native crypto

#### **3. Compliance + Safety**

* KYC/AML where needed
* Travel Rule compliance
* Fraud detection
* Sanctions screening

#### **4. Intent Broadcasting**

Gateway converts a successful payment into a **BuyIntent** and commits it to the IntentRegistry.

#### **5. Session Security**

Protection against:

* Replay
* Injection
* Manipulation
* Tampering

Gateway makes access safe at the moment of discovery.


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