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UnionService

union

Union mainnet (union-1). CometBFT RPC, Cosmos SDK REST and gRPC.

Active Suppliers
289
of 289 ever configured
Service Info
Service ID
union
Compute Units / Relay
5,000
Owner
pokt1l…sl9s
Active Applications
0
Relay Mining EMA
—
Service Metadata Cardsource: on-chain metadata (LCD)
{10 items
"schema":"pocket-service-card/v1"
"description":"Union mainnet (union-1). CometBFT RPC, Cosmos SDK REST and gRPC."
"rpc_types":[5 items
0:{3 items
"type":"JSON_RPC"
"intent":"expected"
"backend_hint":"CometBFT RPC, default :26657 (JSON-RPC mode: POST / with a jsonrpc envelope)"
}
1:{3 items
"type":"REST"
"intent":"expected"
"backend_hint":"cosmos REST (gRPC-gateway), default :1317"
}
2:{3 items
"type":"COMET_BFT"
"intent":"optional"
"backend_hint":"CometBFT RPC, default :26657 (URI style, GET /status)"
}
3:{4 items
"type":"WEBSOCKET"
"intent":"optional"
"backend_hint":"CometBFT RPC, same port at /websocket"
"notes":"subscribe (tm.event='NewBlock', tx events)"
}
4:{3 items
"type":"GRPC"
"intent":"optional"
"backend_hint":"cosmos gRPC, default :9090"
}
]
"apis":[3 items
0:"cometbft-rpc"
1:"cosmos-rest"
2:"cosmos-grpc"
]
"specs":[2 items
0:{4 items
"kind":"openapi"
"api":"cometbft-rpc"
"url":"https://raw.githubusercontent.com/cometbft/cometbft/v1.x/rpc/openapi/openapi.yaml"
"notes":"Covers JSON_RPC (POST / envelope), COMET_BFT (URI style) and the /websocket subscriptions on :26657."
}
1:{3 items
"kind":"openapi"
"api":"cosmos-rest"
"url":"https://raw.githubusercontent.com/unionlabs/union/main/uniond/docs/static/openapi.yml"
}
]
"access":"public"
"results":"deterministic"
"serving":{7 items
"backend":"Union full node (uniond) with RPC, REST/gRPC-gateway and gRPC enabled; pruning 'default' or lighter is fine for head-of-chain traffic."
"implementations":[1 item
0:"uniond >= v1.2 (unionlabs/union)"
]
"docs":"https://github.com/unionlabs/union"
"sync":"full"
"min_disk_gb":300
"healthcheck":[6 items
0:{4 items
"rpc_type":"JSON_RPC"
"request":{3 items
"jsonrpc":"2.0"
"id":1
"method":"status"
}
"expect":{2 items
"json_path":"$.result.node_info.network"
"matches":"^union-1$"
}
"notes":"Chain-id assertion: guards against a node for a different network staked under this service id."
}
1:{3 items
"rpc_type":"JSON_RPC"
"request":{3 items
"jsonrpc":"2.0"
"id":2
"method":"status"
}
"expect":{2 items
"json_path":"$.result.sync_info.catching_up"
"matches":"^false$"
}
}
2:{3 items
"rpc_type":"JSON_RPC"
"request":{3 items
"jsonrpc":"2.0"
"id":3
"method":"health"
}
"expect":{2 items
"json_path":"$.result"
"matches":"^\{\}$"
}
}
3:{3 items
"rpc_type":"REST"
"request":{2 items
"path":"/cosmos/base/tendermint/v1beta1/syncing"
"method":"GET"
}
"expect":{2 items
"json_path":"$.syncing"
"matches":"^false$"
}
}
4:{3 items
"rpc_type":"REST"
"request":{2 items
"path":"/cosmos/base/tendermint/v1beta1/node_info"
"method":"GET"
}
"expect":{2 items
"json_path":"$.default_node_info.network"
"matches":"^union-1$"
}
}
5:{3 items
"rpc_type":"COMET_BFT"
"request":{2 items
"path":"/status"
"method":"GET"
}
"expect":{2 items
"json_path":"$.result.node_info.network"
"matches":"^union-1$"
}
}
]
"notes":"JSON_RPC here is CometBFT's JSON-RPC mode on the RPC port, the same server COMET_BFT addresses in URI style; websocket subscriptions are on that port at /websoc..."
}
"docs":"https://docs.union.build/"
"updated":"2026-09-03"
}