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SeiService

sei

Sei mainnet (pacific-1) JSON-RPC (EVM chain id 1329). Parallelized EVM on Cosmos SDK; EVM JSON-RPC on :8545, Cosmos REST on :1317; eth_subscribe over websocket.

Active Suppliers
2,577
of 2,577 ever configured
Service Info
Service ID
sei
Compute Units / Relay
1,827
Active Applications
2
Relay Mining EMA
74,617 relays
Service Metadata Cardsource: on-chain metadata (LCD)
{10 items
"schema":"pocket-service-card/v1"
"description":"Sei mainnet (pacific-1) JSON-RPC (EVM chain id 1329). Parallelized EVM on Cosmos SDK; EVM JSON-RPC on :8545, Cosmos REST on :1317; eth_subscribe over websocket."
"rpc_types":[5 items
0:{3 items
"type":"JSON_RPC"
"intent":"expected"
"backend_hint":"execution client HTTP RPC, default :8545"
}
1:{4 items
"type":"WEBSOCKET"
"intent":"expected"
"backend_hint":"execution client WS RPC, default :8546"
"notes":"eth_subscribe (newHeads, logs)"
}
2:{3 items
"type":"REST"
"intent":"expected"
"backend_hint":"cosmos REST (gRPC-gateway), default :1317"
}
3:{3 items
"type":"COMET_BFT"
"intent":"optional"
"backend_hint":"CometBFT RPC, default :26657 (URI style, /status)"
}
4:{3 items
"type":"GRPC"
"intent":"optional"
"backend_hint":"cosmos gRPC, default :9090"
}
]
"apis":[4 items
0:"ethereum-json-rpc"
1:"eth-subscribe"
2:"cosmos-rest"
3:"cometbft-rpc"
]
"specs":[3 items
0:{3 items
"kind":"openrpc"
"api":"ethereum-json-rpc"
"url":"https://raw.githubusercontent.com/ethereum/execution-apis/assembled-spec/openrpc.json"
}
1:{4 items
"kind":"openapi"
"api":"cometbft-rpc"
"url":"https://raw.githubusercontent.com/sei-protocol/sei-chain/main/sei-tendermint/rpc/openapi/openapi.yaml"
"notes":"Covers COMET_BFT (URI style on :26657) and CometBFT's own JSON-RPC envelope and /websocket on that port. JSON_RPC and WEBSOCKET on this service are the EVM endp..."
}
2:{3 items
"kind":"openapi"
"api":"cosmos-rest"
"url":"https://raw.githubusercontent.com/sei-protocol/sei-chain/main/docs/swagger-ui/swagger.yml"
}
]
"access":"public"
"results":"deterministic"
"serving":{7 items
"backend":"seid full node with the EVM JSON-RPC enabled (:8545 HTTP, :8546 WS). Sub-second finality; keep the node at tip."
"implementations":[1 item
0:"sei-chain (seid) >= 5.9"
]
"docs":"https://github.com/sei-protocol/sei-chain"
"sync":"full"
"min_disk_gb":1500
"healthcheck":[4 items
0:{3 items
"rpc_type":"JSON_RPC"
"request":{4 items
"jsonrpc":"2.0"
"id":1
"method":"eth_chainId"
"params":[]0 items
}
"expect":{2 items
"json_path":"$.result"
"matches":"^0x531$"
}
}
1:{4 items
"rpc_type":"WEBSOCKET"
"request":{4 items
"jsonrpc":"2.0"
"id":4
"method":"eth_blockNumber"
"params":[]0 items
}
"expect":{2 items
"json_path":"$.result"
"matches":"^0x[0-9a-f]+$"
}
"notes":"Sends a request over the socket rather than only opening it: a handshake alone proves nothing."
}
2:{3 items
"rpc_type":"COMET_BFT"
"request":{2 items
"path":"/status"
"method":"GET"
}
"expect":{2 items
"json_path":"$.result.node_info.network"
"matches":"^pacific-1$"
}
}
3:{3 items
"rpc_type":"REST"
"request":{2 items
"path":"/cosmos/base/tendermint/v1beta1/syncing"
"method":"GET"
}
"expect":{2 items
"json_path":"$.syncing"
"matches":"^false$"
}
}
]
"notes":"JSON_RPC on this service is the EVM endpoint (:8545), not CometBFT; CometBFT is COMET_BFT. eth_syncing is not supported by the Sei EVM RPC; use eth_blockNumber ..."
}
"docs":"https://docs.sei.io/"
"updated":"2026-09-03"
}