Endpoints. WSS endpoints are now available for nodes with Warp transactions enabled.

• Services. A revamped Chainstack Marketplace is now live with the Covalent and Valha applications already available for installation—boost up your DApps!
• Documentation. The following article is added in Web3 [De]Coded:
  • Mastering JSON web tokens: How to implement secure user authentication

• Protocols. All Oasis Sapphire nodes are now running on Chainstack Cloud. This delivers the lowest latency in the Europe region and handles any workload with zero throttling.

Protocols. Ethereum MEV API is now deprecated since it hasn't been functional since the Merge.

• Services. Chainstack Subgraphs has finished the closed beta and is now open to all our customers.
• Documentation. We added a series of developer tutorials for Chainstack Subraphs users: from a newbie to an expert. Try them out and let us know what you think.

• Clouds and regions. You can now deploy your elastic Arbitrum One Mainnet nodes in the following USA regions:
  • Full nodes — Amazon Web Services Oregon
  • Archive nodes — Virtuozzo Dallas

• Protocols
  • The Oasis Sapphire support for elastic nodes
  • Polygon zkEVM Mainnet support
• Documentation
  • Oasis Sapphire
  • Oasis Sapphire tutorial

• Protocols. Polygon zkEVM testnet support for elastic and dedicated nodes.
• Documentation
  • Polygon zkEVM
  • Polygon zkEVM tutorial

• IPFS Storage. Chainstack launches the closed beta for the decentralized storage solution—IPFS Storage. Reach out to us to participate.
• Documentation. IPFS Storage and IPFS Storage API reference.

Protocols. Ethereum Rinkeby and Ropsten testnets are now deprecated. For development purposes, use Sepolia and Goerli testnets.