GET /api/accounts/predict

Calls getAddress on the hyperAuthFactory contract to predict the counterfactual smart account address for a given P-256 public key and salt.

Query parameters

Parameter	Type	Required	Description
`pubKeyX`	`string`	Yes	P-256 X coordinate as uint256 hex string
`pubKeyY`	`string`	Yes	P-256 Y coordinate as uint256 hex string
`salt`	`string`	No	uint256 decimal or hex string (default: `0`)

{ "address": "0x..." }

Code	`error`	Condition
`400`	`"Missing query parameters: pubKeyX, pubKeyY"`	Parameters absent
`400`	`"Invalid pubKeyX or pubKeyY: expected uint256 hex string"`	Decode failure
`400`	`"Invalid salt: expected uint256 decimal or hex string"`	Salt parse failure
`502`	`"rpc_error"`	Upstream eth_call failure