# Sui JSON-RPC API

**Canonical:** https://apis.io/apis/mysten-labs/sui-json-rpc-api/  
**Provider:** Mysten Labs — https://apis.io/providers/mysten-labs/  
**Base URL:** https://fullnode.mainnet.sui.io:443  
**Documentation:** https://docs.sui.io/references/sui-api

Sui JSON-RPC API is one of 3 APIs that [Mysten Labs](https://apis.io/providers/mysten-labs/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include JSON-RPC, OpenRPC, and Blockchain. The published artifact set on APIs.io includes API documentation.

The Sui full-node JSON-RPC API (OpenRPC 1.2.6) for reading objects, coins, balances, events, checkpoints, dynamic fields, and system state, and for dry-running/executing transaction blocks. 56 methods across the sui_, suix_, and unsafe_ namespaces. Deprecated in favor of gRPC / GraphQL RPC (migration targeted July 2026).

## Machine-readable artifacts (3)

- **OpenRPC** — https://raw.githubusercontent.com/api-evangelist/mysten-labs/refs/heads/main/openrpc/mysten-labs-sui-jsonrpc-openrpc.json
- **Documentation** — https://docs.sui.io/references/sui-api
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/mysten-labs/refs/heads/main/apis.yml

## Other Mysten Labs APIs (2)

- [Sui GraphQL RPC API](https://apis.io/apis/mysten-labs/sui-graphql-rpc-api/)
- [Sui gRPC API](https://apis.io/apis/mysten-labs/sui-grpc-api/)

## Tags

JSON-RPC, OpenRPC, Blockchain

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