RPC Gateway
One Kusama network, one URL.
Tatum RPC Router balances traffic across healthy nodes, fails over instantly, and uses caching plus method-aware routing for speed and reliability.
1kusama-mainnet.gateway.tatum.io
KUSAMAWe power the Kusama network
A powerful Kusama RPC gateway with load and geo balancing, failovers, and more.
Free key · 100K credits · no credit card
Connect
Instantly test a call onKusama.
Hit a live Kusama RPC node from here — pick a network, choose a method, and see the response in seconds. Same endpoints you'll use in production.
Available on Kusama
JSON-RPCREST
Network interface
Request
curl --request POST \ --url 'https://kusama-mainnet.gateway.tatum.io' \ --header 'accept: application/json' \ --header 'content-type: application/json' \ --header 'x-api-key: YOUR_API_KEY' \ --data '{"id":1,"jsonrpc":"2.0","method":"chain_getHeader"}'
# swap the subdomain for any of 142 networks —
# solana-mainnet , ethereum-mainnet , base-mainnet …
Response
Networks
One Kusama network. One key.
Network
Slug
Protocols
Endpoint
Copy
Kusama Mainnetkusama-mainnet
JSON-RPC, REST
https://kusama-mainnet.gateway.tatum.io
Global Load Balancer
Route to nearest node
Batch RPC Calls
Multiple requests at once
Archive Nodes
Historical blockchain data
Debug & Trace
Advanced debugging
Advanced Analytics
Usage & performance
Bring Your Own RPC
Custom RPC gateways
Capability
What else works on Kusama.
Data APIs
1 confirmed on Kusama
AI Builder
Describe it. AI Builder does the rest.
AI Builder creates the frontend, wires the backend, and connects the APIs that power your application.
Try
Pricing
Plans that scale with Kusama
The more you use, the lower your effective cost — plans get cheaper as usage grows.
FAQ
Kusama questions we get asked.
Kusama RPC is a remote procedure call interface that lets your application read blockchain data and submit transactions without running your own node. Tatum provides free and paid Kusama RPC gateways with global load balancing and high uptime.