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Protocols. Chainstack TON Global Nodes now serve TON API v4 — REST and WebSocket — alongside v2 and v3 on the same endpoint and auth token, on Mainnet and Testnet. v4 adds block-pinned, cacheable URLs for blocks, account state, and get-method calls, and WebSocket streams of new blocks and of the accounts changed in each block. See TON API v4.
Last modified on September 27, 2026