NoLimitNodesDocs

Introduction

Welcome to the NoLimitNodes API documentation - high-throughput RPC node services for the Solana blockchain.

NoLimitNodes provides five Solana data surfaces behind one project credential.

Pick the right product

ProductEndpointUse
JSON-RPChttps://rpc.nln.clr3.orgRead state and submit transactions
WebSocketwss://ws.nln.clr3.orgReceive standard Solana subscriptions
Yellowstone gRPCgrpc.nln.clr3.org:443Filter raw Geyser updates
Enhanced Streamsstream-1.nln.clr3.org:443Consume 18 curated, normalized event feeds
Program Streamsevents.nln.clr3.org:443Consume 1,074 program-shaped topics

Every endpoint uses TLS. Every request needs your API key.

Start here

  1. Create a project

    Sign in to the dashboard. Create a project and add a Solana node.

  2. Store the key

    Copy the node API key into your secret manager or NLN_API_KEY environment variable.

  3. Run a quickstart

    Pick one product below and send a small test request.

JSON-RPC

Check node health and read the current slot.

WebSocket

Subscribe to live slot notifications.

Yellowstone gRPC

Stream filtered Geyser updates.

Enhanced Streams

Consume curated swaps, transfers, and Pumpfun feeds.

Program Streams

Read program instructions and events in their source shape.

Authentication

Review headers, metadata, and key handling.

Production basics

  • Keep keys outside source code.
  • Set request and connection timeouts.
  • Add bounded retries with jitter.
  • Store progress before acknowledging events.
  • Track service health from your deployment regions.
  • Review plan limits before launch.