Stream blocks, fills, order statuses, and book diffs straight from Hyperliquid nodes. Replay from any retained block or timestamp, filter by user or coin, and open 14 typed market streams over Protocol Buffers.
Six feeds read from the files the Hyperliquid node writes to disk, plus generated order-book snapshots. Each record arrives in a shared envelope with block number and timestamp cursors when present.
{"blockNumber": "1139998345", "events": [["0x15b3...", {"coin": "BTC", "px": "78631.0"}]]}Fourteen streams with typed request and response messages. Stateful views open with a snapshot or current state, then send ordered updates. Trade and fill streams are live-only.
{"coin": "BTC", "blockNumber": "1140007989", "bids": [{"px": "78497", "sz": "2.59056", "n": 16}]}Fetch the published proto. It defines both services, every message, and the filter contract.
curl -fsSLo v3.proto https://www.dwellir.com/docs/hyperliquid/grpc/v3.proto
Generate from the exact proto version you call. Runnable Go, Python, and Node.js examples are on GitHub.
protoc --go_out=. --go_opt=Mv3.proto=./hlgateway \ --go-grpc_out=. --go-grpc_opt=Mv3.proto=./hlgateway v3.proto
Pass the key in the x-api-key metadata header on every RPC. Start with ListFeeds to see what the endpoint serves.
grpcurl -proto v3.proto \ -H "x-api-key: $DWELLIR_API_KEY" \ "$HYPERLIQUID_GRPC_ENDPOINT" \ hyperliquid_l1_gateway.v3.HyperliquidL1Gateway/ListFeeds
Position any raw feed at a block number or timestamp. The endpoint replays the selected record and every retained record after it, then tails live data. Order-book snapshots position by timestamp only.
Filter fills, raw book diffs, order statuses, and TWAP statuses by users and coins before they leave the endpoint. AND across fields, OR within a field.
The proto file is public. Connect over TLS with the x-api-key metadata header from any language with a gRPC toolchain.
Block payloads are decoded in the docs down to all 47 signed action types, from order and cancel to twapOrder, vaultTransfer, and evmRawTx.
Replay history varies by feed and endpoint. For data outside retention, see historical data. Full comparison on the Hyperliquid pricing page.
Prefer JSON over WebSocket? The Order Book Server mirrors the public Hyperliquid channels with deeper books and faster delivery from Singapore and Tokyo.
Download the proto, generate stubs, and connect in minutes.
Questions? Our team is here to help.
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Trady.xyz
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