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Mantle RPC Endpoint and API

Mantle is an Ethereum layer-2 scaling solution built with a modular architecture. It combines an EVM-compatible execution layer with Ethereum's security and a decentralized data availability layer (Mantle DA) to deliver low fees and high throughput. Developers building on Mantle need reliable RPC endpoints to interact with the network—reading blockchain data, submitting transactions, and connecting backend services.

Chain ID5000
CurrencyMNT
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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://mantle.api.onfinality.io/public'
curl -H 'Content-Type: application/json' -d '{"id":1,"jsonrpc":"2.0","method":"eth_blockNumber"}' 'https://mantle.api.onfinality.io/public'
HTTPs
https://mantle.api.onfinality.io/public
https://mantle.api.onfinality.io/public
Websocket
wss://mantle.api.onfinality.io/public-ws
wss://mantle.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 Mantle RPC features

  • Mainnet access: Connect to Mantle mainnet with authenticated endpoints.
  • Archive support: Access historical state data for analytics and backfilling.
  • EVM JSON-RPC: Full compatibility with Ethereum development tools.
  • Observability: Request analytics and usage metrics to monitor your application.
  • Scalable plans: From shared endpoints to higher-capacity options as your project grows.

Build faster with Mantle RPC endpoints

Use OnFinality's Mantle 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 Mantle 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 Mantle blocks, transactions, balances, events, and chain state through HTTP and WebSocket workflows.

Operate Mantle 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 Mantle 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 Mantle state.

Choose the right Mantle RPC setup

Different Mantle 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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