@chaindex/priorityfee

TypeScript SDK for the Chaindex Priority Fee API.

Install

npm install @chaindex/priorityfee
# or
pnpm add @chaindex/priorityfee

Quick Start

import { HttpClient } from '@chaindex/priorityfee'

const client = new HttpClient({ apiKey: 'your-api-key' })

const rolling = await client.rolling.get({ duration: '15m', detail: 'full' })
console.log(rolling)

WebSocket

import { WsClient } from '@chaindex/priorityfee'

const ws = new WsClient({ apiKey: 'your-api-key' })

const sub = await ws.subscribeRolling(
  { duration: '15m', detail: 'full' },
  {
    onData: (data) => console.log(data),
    onError: (err) => console.error(err),
  },
)

// Later: sub.unsubscribe()

API Overview

The HttpClient exposes the following resources:

| Resource | Description | | ----------------- | ------------------------------ | | client.block | Per-block priority fee data | | client.rolling | Rolling window aggregations | | client.tumbling | Tumbling window aggregations |

The WsClient supports real-time subscriptions via subscribeBlock, subscribeRolling, and subscribeDemo.

Requirements

• Node.js >= 22

License

MIT