Obtain Relay Construction Payload

The returned values — the relayer’s on-chain address and the caller’s current nonce — are the two pieces of information a client needs to construct a valid meta-transaction for POST /submit.

Endpoint

GET /relay-payload

Server: https://api.openfish.fun

Authentication: None required

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Query Parameters

Parameter	Type	Required	Description
address	string	Yes	User’s Ethereum address

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Responses

200 — Payload assembled

Field	Type	Description
address	string	Relayer’s Ethereum address (the account that sponsors gas)
nonce	integer	User’s current meta-transaction nonce

Sample Response:

{
  "address": "0x6e0c80c90ea6c15917308F820Eac91Ce2724B5b5",
  "nonce": 32
}

500 — Server Error

{ "error": "Internal server error" }