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BaseService

base

Base mainnet JSON-RPC (chain id 8453). OP Stack L2 on Ethereum; eth_subscribe over websocket.

Active Suppliers
3,472
of 3,472 ever configured
Service Info
Service ID
base
Compute Units / Relay
1,233
Owner
pokt1l…sl9s
Active Applications
5
Relay Mining EMA
381,958 relays
Service Metadata Cardsource: on-chain metadata (LCD)
{10 items
"schema":"pocket-service-card/v1"
"description":"Base mainnet JSON-RPC (chain id 8453). OP Stack L2 on Ethereum; eth_subscribe over websocket."
"rpc_types":[2 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)"
}
]
"apis":[2 items
0:"ethereum-json-rpc"
1:"eth-subscribe"
]
"specs":[1 item
0:{3 items
"kind":"openrpc"
"api":"ethereum-json-rpc"
"url":"https://raw.githubusercontent.com/ethereum/execution-apis/assembled-spec/openrpc.json"
}
]
"access":"public"
"results":"deterministic"
"serving":{7 items
"backend":"OP Stack execution client (op-geth or op-reth) with op-node connected to an Ethereum L1 endpoint."
"implementations":[2 items
0:"op-geth (base fork) + op-node >= 1.9"
1:"op-reth >= 1.0"
]
"docs":"https://docs.base.org/base-chain/node-operators/run-a-base-node"
"sync":"archive"
"min_disk_gb":3000
"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":"$.result"
"matches":"^0x2105$"
}
}
1:{3 items
"rpc_type":"JSON_RPC"
"request":{4 items
"jsonrpc":"2.0"
"id":2
"method":"eth_syncing"
"params":[]0 items
}
"expect":{2 items
"json_path":"$.result"
"matches":"^false$"
}
}
2:{4 items
"rpc_type":"JSON_RPC"
"request":{4 items
"jsonrpc":"2.0"
"id":3
"method":"eth_getBalance"
"params":[2 items
0:"0x3304E22DDaa22bCdC5fCa2269b418046aE7b566A"
1:"0x44bb50"
]
}
"expect":{2 items
"json_path":"$.result"
"matches":"^0x235d852383386$"
}
"notes":"Archival probe: historical balance at block 4504400. A pruned node returns a missing-trie-node error."
}
3:{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."
}
]
"notes":"Archive state expected (gateway probes block 4,504,400). Unsafe head may lag the sequencer briefly; eth_syncing must still be false."
}
"docs":"https://docs.base.org/"
"updated":"2026-09-03"
}