> ## Documentation Index
> Fetch the complete documentation index at: https://docs.555hyper.link/llms.txt
> Use this file to discover all available pages before exploring further.

# API Reference

> 555x402 Public API

# Public API

The 555x402 API allows developers to integrate the Streaming OS into their own applications.

**Base URL**: `https://api.rendernet.work`

## Authentication

All requests to `/pub/v1` require an API Key.
`X-API-Key: <your_api_key>`

## Endpoints

### PayLinks

#### Create PayLink

`POST /pub/v1/links`
Creates a new Hyperlink for payments or engagement.

```json theme={null}
{
  "creatorId": "creator_123",
  "chainType": "solana",
  "model": "engagement",
  "splits": { "creator": 8500, "platform": 1500 }
}
```

#### Get PayLink

`GET /pub/v1/links/{code}`
Retrieves metadata for a specific link.

### Payments (AGG)

#### Verify Payment

`POST /pub/v1/payments/verify`
Verifies a 402 payment header and returns a settlement proof.

#### Payment Status

`GET /pub/v1/payments/{id}`
Checks the status of a transaction.

### Attention (VAP)

#### Request Token

`POST /pub/v1/attention/token`
Requests a session token for tracking engagement.

### Cross-Chain Settlement

> **Note**: These endpoints handle the bridging of assets between Solana and EVM chains (Base, Polygon).

#### Get Transfer Status

`GET /pub/v1/bridge/status/{id}`
Checks the status of a cross-chain settlement.

#### Estimate Fees

`GET /pub/v1/fees/estimate`
Estimates the gas and platform fees for a cross-chain transfer.

```json theme={null}
{
  "totalFee": "1.50 USDC",
  "estimatedTime": "15 seconds"
}
```