GetBlock Adds Sui gRPC Support Ahead of July 2026 JSON-RPC Migration

Sui is deprecating JSON-RPC by July 2026, and gRPC is what comes next. Full production-ready Sui gRPC support is live on GetBlock today. JSON-RPC remains fully supported throughout the transition.

Sui phases out JSON-RPC, gRPC becomes the standard

Sui protocol is deprecating its JSON-RPC interface. Developers building on Sui are expected to migrate to either gRPC or GraphQL RPC by July 2026, as outlined in the official Sui documentation.

JSON-RPC, which has been the standard access layer for most Sui integrations to date, will eventually stop being supported at the protocol level.

What is gRPC and why it matters for Sui developers

gRPC is a high-performance, open-source communication protocol built on HTTP/2. Compared to JSON-RPC, it offers several meaningful advantages for blockchain infrastructure:

Faster requests: gRPC uses binary serialization via Protocol Buffers (protobuf), making payloads significantly smaller and faster to process than JSON
Native streaming: gRPC supports bidirectional and server-side streaming out of the box
Strongly typed contracts: With protobuf schemas, both the client and server agree on the exact shape of data upfront, reducing integration bugs
Modern tooling: Mature gRPC client libraries for Go, Rust, Python, TypeScript, and more

If your infrastructure still relies on JSON-RPC past that deadline, you risk disruptions. The good news: GetBlock has you covered today.

GetBlock delivers early Sui gRPC API support for smooth migration

GetBlock rolled out full production-grade gRPC implementation support for Sui across all services, delivering:

Full gRPC API access: All core Sui read and write methods are now accessible via gRPC across all GetBlock services
Streaming support: GetBlock's Sui gRPC endpoints will support streaming, one of gRPC's biggest advantages over JSON-RPC
Global availability: GetBlock's Sui nodes run across three regions – pin your endpoint to USA, EU, or APAC data centers for minimum latency
Archive infrastructure: Historical Sui data access is available on both shared clusters and dedicated nodes

GetBlock’s goal is to make the migration as seamless as possible. Existing users can continue operating on JSON-RPC during the transition window; new integrations can begin using gRPC immediately.

Simplified CU pricing

We are also introducing unified CU (Compute Units) pricing for Shared Node endpoints.

Full-node queries: 50 CUs per method
Archive queries: 100 CUs per method

Now it’s easier to estimate and scale usage.

Get started with Sui gRPC on GetBlock

Any GetBlock account, including the free tier, supports Sui gRPC. Create a new endpoint from your dashboard:

Click Get Endpoint
Select Sui
Under API Interface, select gRPC from the dropdown
Enable archive mode if your application needs historical data
Pin your endpoint to New York or Frankfurt data center for minimum latency

Update your client to connect via gRPC using the endpoint URL and your access token. For example, the official @mysten/sui SDK handles gRPC natively.

import { SuiGrpcClient } from '@mysten/sui/grpc';

const client = new SuiGrpcClient({
  url: 'https://go.getblock.io/<ACCESS-TOKEN>/'
});

Dedicated node deployments include gRPC out of the box, no special configuration needed. Need help with dedicated setup? Reach out to our support team – we're happy to walk you through it.

Build on Sui with GetBlock

GetBlock has supported Sui since early in the chain's growth, scaling its infrastructure in step with the network's demands. GetBlock's Sui gRPC support is ready now, and the infrastructure behind it isn't new. The same infrastructure serves some of the most demanding use cases in the industry at 99.99% uptime and sub-10ms latency targets.

Dependable, low-latency blockchain access is what we're here for. Explore our Sui RPC access solutions built for every stage – from free endpoints to dedicated infrastructure.