# Arbitrum JSON-RPC API

**Canonical:** https://apis.io/apis/arbitrum/arbitrum-json-rpc-api/  
**Provider:** Arbitrum — https://apis.io/providers/arbitrum/  
**Base URL:** https://arb1.arbitrum.io/rpc  
**Documentation:** https://docs.arbitrum.io/build-decentralized-apps/reference/node-providers

Arbitrum JSON-RPC API is one of 10 APIs that [Arbitrum](https://apis.io/providers/arbitrum/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include JSON-RPC. The published artifact set on APIs.io includes an OpenAPI specification.

Ethereum-compatible JSON-RPC 2.0 endpoint

## Machine-readable artifacts (1)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/arbitrum/refs/heads/main/openapi/arbitrum-json-rpc-api-openapi.yml

## Other Arbitrum APIs (9)

- [Arbitrum One JSON-RPC](https://apis.io/apis/arbitrum/one-rpc/)
- [Arbitrum Nova JSON-RPC](https://apis.io/apis/arbitrum/nova-rpc/)
- [Arbitrum Sepolia JSON-RPC](https://apis.io/apis/arbitrum/sepolia-rpc/)
- [Arbitrum Bridge](https://apis.io/apis/arbitrum/bridge/)
- [Arbitrum SDK](https://apis.io/apis/arbitrum/sdk/)
- [Stylus SDK (Rust)](https://apis.io/apis/arbitrum/stylus-sdk/)
- [Arbitrum Nitro](https://apis.io/apis/arbitrum/nitro/)
- [Arbitrum Orbit SDK](https://apis.io/apis/arbitrum/orbit-sdk/)
- [Arbiscan Block Explorer](https://apis.io/apis/arbitrum/arbiscan-explorer/)

## Tags

JSON-RPC

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/arbitrum/arbitrum-json-rpc-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/arbitrum/.