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Monad Testnet RPC Endpoint and API

Monad is a Layer-1 blockchain that delivers high performance, true decentralization, and full EVM compatibility. By eliminating the perceived tradeoff between decentralization and performance, Monad enables a large globally distributed validator network with minimal hardware requirements. Its performance gains come from software architecture improvements—written in C++ and Rust—rather than reliance on heavy hardware or node colocation.

Chain ID10143
CurrencyMON
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Public endpoint rate limit: 5 req/sec

Quick Start
curl -H 'Content-Type: application/json' -d '{"id":1,"jsonrpc":"2.0","method":"eth_blockNumber"}' 'https://monad-testnet.api.onfinality.io/public'
curl -H 'Content-Type: application/json' -d '{"id":1,"jsonrpc":"2.0","method":"eth_blockNumber"}' 'https://monad-testnet.api.onfinality.io/public'
HTTPs
https://monad-testnet.api.onfinality.io/public
https://monad-testnet.api.onfinality.io/public
Websocket
wss://monad-testnet.api.onfinality.io/public-ws
wss://monad-testnet.api.onfinality.io/public-ws

Go to Growth Plan

  • High Performance
  • Powerful RPC Analytics
  • Up to 500 rps
  • No daily response limit
  • Priority Support
  • Decentralized Servers
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OnFinality Monad Testnet RPC features

  • EVM JSON-RPC: Full compatibility with Ethereum tooling and libraries.
  • HTTP and WebSocket: Choose the transport that fits your use case.
  • Trace Support: Advanced access for debugging and analytics.
  • Global Infrastructure: Endpoints served from multiple regions for low latency.

Build faster with Monad Testnet RPC endpoints

Use OnFinality's Monad Testnet RPC APIs to connect wallets, dApps, dashboards, bots, and backend services without operating your own node from day one.

Public endpoint testing

Start with the Monad Testnet public RPC endpoint for lightweight checks, prototypes, and quick integration tests.

Authenticated API access

Move production traffic to authenticated endpoints when you need clearer limits, analytics, and operational visibility.

Standard RPC methods

Query Monad Testnet blocks, transactions, balances, events, and chain state through HTTP and WebSocket workflows.

Operate Monad Testnet infrastructure with more control

Production teams need more than an endpoint URL. They need observability, predictable capacity, and a path from shared RPC access to isolated infrastructure.

Request visibility

Track usage patterns and response activity so your team can understand traffic growth before it becomes an incident.

Dedicated node path

Use dedicated Monad Testnet nodes when your workload needs isolated resources, custom operations, or stronger capacity planning.

Archive and historical data

Plan for archive access when analytics, audits, indexers, or advanced app features need older Monad Testnet state.

Choose the right Monad Testnet RPC setup

Different Monad Testnet products need different infrastructure. OnFinality gives teams a practical path from public RPC testing to production-grade API and node operations.

For prototypes

Use public RPC for simple reads, connection checks, and early experiments where strict performance guarantees are not required.

For live apps

Use authenticated API endpoints when users depend on stable request handling, monitoring, and scalable access.

For heavy workloads

Use dedicated nodes for sustained traffic, latency-sensitive services, validator tooling, exchange systems, and indexing pipelines.

Never Worry about Infrastructure Again

OnFinality takes away the heavy lifting of DevOps so you can build smarter and faster.

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