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CASPER

Tatum's Casper APIs and RPC nodes make development a breeze

Don’t get 'spooked' by blockchain development—Tatum’s Casper RPC nodes and SDKs are reliable and easy to use.

Get free API keyRead the docs

Free key · 100K credits · no credit card

  • Anchorage Digital
  • xPortal
  • Zengo
  • Xsolla
  • TRM
  • Suncrypto
  • Nestcoin
  • Merkle
  • Instapay
  • Hyperion
  • Bitpanda
  • Coinfirm
  • Elliptic
  • G2G
  • Chainalysis
Connect

Instantly test a call onCasper.

Hit a live Casper 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 Casper
JSON-RPC
Network interface
Run in Postman
casper-mainnet.gateway.tatum.io

Request

curl --request POST \
--url 'https://casper-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":"info_get_status"}'

# swap the subdomain for any of 142 networks —

# solana-mainnet , ethereum-mainnet , base-mainnet …

Response

Networks

One Casper network. One key.

Network
Slug
Protocols
Endpoint
Copy
Casper Mainnet
casper-mainnet
JSON-RPC
https://casper-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 Casper.

Data APIs

1 confirmed on Casper

Browse the Data API docs
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 Casper

The more you use, the lower your effective cost — plans get cheaper as usage grows.

Dedicated API keys

Get a dedicated key with guaranteed RPS throughput for your most critical operations.

Choose your throughput:

Does not consume your plan credits.

Buy Dedicated Key
Contact sales

for higher throughput.

Other networks

142 networks.

Same key, same SDK, same URL shape. Switch the slug and the call still works.

EOSFlareRippleSolanaStellarNEARPolkadotSuiUnichainMonacoinAlgorandCardanoIotaKaiaPolkadot Asset HubTezosThe Open NetworkCosmos+50 more
Browse all networks

Chain not listed? Tell us. We add networks on request.

FAQ

Casper questions we get asked.

Casper 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 Casper RPC gateways with global load balancing and high uptime.