Sergen Uysal
All authorsSergen is a Senior Technical Writer at Quicknode, where he covers blockchain developer tools, APIs, and data infrastructure across multiple networks, helping developers go from zero to production with hands-on guides and sample apps.
Recent guides
Learn how to read Stock Token data (TSLA, AAPL, NVDA, AMZN) on Robinhood Chain using Quicknode RPC and viem: token metadata, total supply, balances, and Transfer history.
Learn how to stream live stop-loss and take-profit trigger orders on Hyperliquid using Quicknode's gRPC API. Monitor resting TP/SL orders per block in TypeScript.
Discover, fund, trade, and stream Hyperliquid HIP-4 binary outcome markets using Quicknode's zero-custody REST builder API for Hyperliquid.
Build a terminal-based Sui portfolio tracker that fetches balances and transactions with GraphQL and streams live checkpoints via gRPC using Quicknode.
Build a TypeScript script that queries native token balances across 15 EVM chains using a single MPP session. Learn session lifecycle, voucher-based payments, and cost optimization.
Build a bot that queries Hyperliquid data via the SQL Explorer REST API and delivers a formatted market digest to Telegram on a daily schedule.
Build a dynamic wallet watchlist using Quicknode Webhooks and Key-Value Store. Add or remove addresses on the fly without restarting your webhook.
Learn how to access Quicknode's blockchain infrastructure using x402 payments. No account, API keys, or subscription required. Useful for AI agents, bots, and developers who want on-demand access with wallet-based authentication.
Build a proactive alerting system that monitors Quicknode RPC credit usage and sends notifications to Slack, PagerDuty, Discord, or Prometheus before you hit your limits.
Recent sample apps
Optimizador de rendimiento DeFi basado en IA
Esta aplicación te enseña a integrar la API de Aerodrome Swap con un modelo de IA para crear un optimizador de rendimiento DeFi personalizado y un panel de análisis para Aerodrome.
Servidor EVM MCP
El servidor EVM MCP conecta a asistentes de IA como Claude o Cursor con datos de la cadena de bloques de Ethereum y otras cadenas compatibles con EVM. Esta herramienta de servidor MCP permite a Claude consultar saldos de monederos, analizar contratos y supervisar los precios del gas a través de una conversación natural, lo que hace que los datos sobre criptomonedas sean accesibles para los agentes de IA.
Flashblocks Base App
A dapp demonstrating Base Flashblocks capabilities with a side-by-side comparison of transaction confirmations: Flashblocks vs Traditional blocks.
Monitor de pedidos de HyperCore
Realiza un seguimiento en tiempo real de las órdenes de negociación en Hyperliquid Core (L1) con Quicknode Streams y KV Store para aplicar filtros dinámicos.
Mapa de calor de TP/SL de Hyperliquid
Un panel de control en tiempo real para navegador que visualiza las órdenes de activación de TP/SL de Hyperliquid en reposo como grupos de niveles de precios, referenciados a los precios de compra y venta en tiempo real procedentes de los flujos gRPC de Quicknode Hypercore.
RWA Tokenizer
Tokenize Real World Assets (RWAs) as ERC-721 NFTs with IPFS metadata and cross-chain bridging via LayerZero V2 between Base Sepolia and Ethereum Sepolia.