Sequence API (Infrastructure)
Core infrastructure operations: signature validation (EIP-1271/typed-data), ETHAuth proofs, wallet linking, and swap price/quote lookups.
OpenAPI Specification
{
"components": {
"schemas": {
"ErrorWebrpcEndpoint": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcEndpoint"
},
"code": {
"type": "number",
"example": 0
},
"msg": {
"type": "string",
"example": "endpoint error"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 400
}
}
},
"ErrorWebrpcRequestFailed": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcRequestFailed"
},
"code": {
"type": "number",
"example": -1
},
"msg": {
"type": "string",
"example": "request failed"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 400
}
}
},
"ErrorWebrpcBadRoute": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcBadRoute"
},
"code": {
"type": "number",
"example": -2
},
"msg": {
"type": "string",
"example": "bad route"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 404
}
}
},
"ErrorWebrpcBadMethod": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcBadMethod"
},
"code": {
"type": "number",
"example": -3
},
"msg": {
"type": "string",
"example": "bad method"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 405
}
}
},
"ErrorWebrpcBadRequest": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcBadRequest"
},
"code": {
"type": "number",
"example": -4
},
"msg": {
"type": "string",
"example": "bad request"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 400
}
}
},
"ErrorWebrpcBadResponse": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcBadResponse"
},
"code": {
"type": "number",
"example": -5
},
"msg": {
"type": "string",
"example": "bad response"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 500
}
}
},
"ErrorWebrpcServerPanic": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcServerPanic"
},
"code": {
"type": "number",
"example": -6
},
"msg": {
"type": "string",
"example": "server panic"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 500
}
}
},
"ErrorWebrpcInternalError": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcInternalError"
},
"code": {
"type": "number",
"example": -7
},
"msg": {
"type": "string",
"example": "internal error"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 500
}
}
},
"ErrorWebrpcClientDisconnected": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcClientDisconnected"
},
"code": {
"type": "number",
"example": -8
},
"msg": {
"type": "string",
"example": "client disconnected"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 400
}
}
},
"ErrorWebrpcStreamLost": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcStreamLost"
},
"code": {
"type": "number",
"example": -9
},
"msg": {
"type": "string",
"example": "stream lost"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 400
}
}
},
"ErrorWebrpcStreamFinished": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "WebrpcStreamFinished"
},
"code": {
"type": "number",
"example": -10
},
"msg": {
"type": "string",
"example": "stream finished"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 200
}
}
},
"ErrorUnauthorized": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "Unauthorized"
},
"code": {
"type": "number",
"example": 1000
},
"msg": {
"type": "string",
"example": "Unauthorized access"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 401
}
}
},
"ErrorPermissionDenied": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "PermissionDenied"
},
"code": {
"type": "number",
"example": 1001
},
"msg": {
"type": "string",
"example": "Permission denied"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 403
}
}
},
"ErrorSessionExpired": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "SessionExpired"
},
"code": {
"type": "number",
"example": 1002
},
"msg": {
"type": "string",
"example": "Session expired"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 403
}
}
},
"ErrorAborted": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "Aborted"
},
"code": {
"type": "number",
"example": 1005
},
"msg": {
"type": "string",
"example": "Request aborted"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 400
}
}
},
"ErrorGeoblocked": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "Geoblocked"
},
"code": {
"type": "number",
"example": 1006
},
"msg": {
"type": "string",
"example": "Geoblocked region"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 451
}
}
},
"ErrorInvalidArgument": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "InvalidArgument"
},
"code": {
"type": "number",
"example": 2000
},
"msg": {
"type": "string",
"example": "Invalid argument"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 400
}
}
},
"ErrorUnavailable": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "Unavailable"
},
"code": {
"type": "number",
"example": 2002
},
"msg": {
"type": "string",
"example": "Unavailable resource"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 400
}
}
},
"ErrorQueryFailed": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "QueryFailed"
},
"code": {
"type": "number",
"example": 2003
},
"msg": {
"type": "string",
"example": "Query failed"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 400
}
}
},
"ErrorNotFound": {
"type": "object",
"required": [
"error",
"code",
"msg",
"status"
],
"properties": {
"error": {
"type": "string",
"example": "NotFound"
},
"code": {
"type": "number",
"example": 3000
},
"msg": {
"type": "string",
"example": "Resource not found"
},
"cause": {
"type": "string"
},
"status": {
"type": "number",
"example": 400
}
}
},
"SortOrder": {
"type": "string",
"description": "Represented as uint32 on the server side",
"enum": [
"DESC",
"ASC"
]
},
"SardinePaymentType": {
"type": "string",
"description": "Represented as uint32 on the server side",
"enum": [
"ach",
"debit",
"credit",
"us_debit",
"international_debit",
"international_credit"
]
},
"SardineQuoteType": {
"type": "string",
"description": "Represented as uint32 on the server side",
"enum": [
"buy",
"sell"
]
},
"TokenType": {
"type": "string",
"description": "Represented as uint8 on the server side",
"enum": [
"ERC20",
"ERC721",
"ERC1155"
]
},
"Version": {
"type": "object",
"required": [
"webrpcVersion",
"schemaVersion",
"schemaHash",
"appVersion"
],
"properties": {
"webrpcVersion": {
"type": "string"
},
"schemaVersion": {
"type": "string"
},
"schemaHash": {
"type": "string"
},
"appVersion": {
"type": "string"
}
}
},
"RuntimeStatus": {
"type": "object",
"required": [
"healthOK",
"startTime",
"uptime",
"ver",
"branch",
"commitHash",
"checks",
"numTxnsRelayed"
],
"properties": {
"healthOK": {
"type": "boolean"
},
"startTime": {
"type": "string"
},
"uptime": {
"type": "number"
},
"ver": {
"type": "string"
},
"branch": {
"type": "string"
},
"commitHash": {
"type": "string"
},
"checks": {
"$ref": "#/components/schemas/RuntimeChecks"
},
"numTxnsRelayed": {
"type": "object",
"description": "map<string,NumTxnsRelayed>",
"additionalProperties": {
"$ref": "#/components/schemas/NumTxnsRelayed"
}
}
}
},
"NumTxnsRelayed": {
"type": "object",
"required": [
"chainID",
"prev",
"current",
"period"
],
"properties": {
"chainID": {
"type": "number"
},
"prev": {
"type": "number"
},
"current": {
"type": "number"
},
"period": {
"type": "number"
}
}
},
"RuntimeChecks": {
"type": "object"
},
"SequenceContext": {
"type": "object",
"required": [
"factory",
"mainModule",
"mainModuleUpgradable",
"guestModule",
"utils"
],
"properties": {
"factory": {
"type": "string"
},
"mainModule": {
"type": "string"
},
"mainModuleUpgradable": {
"type": "string"
},
"guestModule": {
"type": "string"
},
"utils": {
"type": "string"
}
}
},
"User": {
"type": "object",
"required": [
"address",
"username",
"normalizedUsername",
"avatar",
"bio",
"location",
"locale",
"sysAdmin"
],
"properties": {
"address": {
"type": "string"
},
"username": {
"type": "string"
},
"normalizedUsername": {
"type": "string"
},
"avatar": {
"type": "string"
},
"bio": {
"type": "string"
},
"location": {
"type": "string"
},
"locale": {
"type": "string"
},
"backup": {
"type": "boolean"
},
"backupConfirmed": {
"type": "boolean"
},
"maxInvites": {
"type": "number"
},
"updatedAt": {
"type": "string"
},
"createdAt": {
"type": "string"
},
"sysAdmin": {
"type": "boolean"
}
}
},
"WalletBackup": {
"type": "object",
"required": [
"accountAddress",
"secretHash",
"encryptedWallet",
"userConfirmed"
],
"properties": {
"accountAddress": {
"type": "string"
},
"secretHash": {
"type": "string"
},
"encryptedWallet": {
"type": "string"
},
"userConfirmed": {
"type": "boolean"
},
"updatedAt": {
"type": "string"
},
"createdAt": {
"type": "string"
}
}
},
"Friend": {
"type": "object",
"required": [
"id",
"userAddress",
"friendAddress",
"nickname"
],
"properties": {
"id": {
"type": "number"
},
"userAddress": {
"type": "string"
},
"friendAddress": {
"type": "string"
},
"nickname": {
"type": "string"
},
"user": {
"$ref": "#/components/schemas/User"
},
"createdAt": {
"type": "string"
}
}
},
"InviteCode": {
"type": "object",
"required": [
"code",
"source",
"usesLeft",
"ownerAccount",
"url"
],
"properties": {
"code": {
"type": "string"
},
"source": {
"type": "string"
},
"usesLeft": {
"type": "number"
},
"ownerAccount": {
"type": "string"
},
"email": {
"type": "string"
},
"url": {
"type": "string"
},
"createdAt": {
"type": "string"
},
"expiresAt": {
"type": "string"
}
}
},
"InviteCodeAccount": {
"type": "object",
"required": [
"code",
"claimedByUserAddress"
],
"properties": {
"code": {
"type": "string"
},
"claimedByUserAddress": {
"type": "string"
},
"claimedAt": {
"type": "string"
}
}
},
"InviteInfo": {
"type": "object",
"required": [
"expiryInHours",
"max",
"invites"
],
"properties": {
"expiryInHours": {
"type": "number"
},
"max": {
"type": "number"
},
"invites": {
"type": "array",
"description": "[]InviteCode",
"items": {
"$ref": "#/components/schemas/InviteCode"
}
}
}
},
"ContractCall": {
"type": "object",
"required": [
"signature",
"function",
"args"
],
"properties": {
"signature": {
"type": "string"
},
"function": {
"type": "string"
},
"args": {
"type": "array",
"description": "[]TupleComponent",
"items": {
"$ref": "#/components/schemas/TupleComponent"
}
}
}
},
"TupleComponent": {
"type": "object",
"required": [
"type",
"value"
],
"properties": {
"name": {
"type": "string"
},
"type": {
"type": "string"
},
"value": {
"type": "object"
}
}
},
"Transaction": {
"type": "object",
"required": [
"delegateCall",
"revertOnError",
"gasLimit",
"target",
"value",
"data"
],
"properties": {
"delegateCall": {
"type": "boolean"
},
"revertOnError": {
"type": "boolean"
},
"gasLimit": {
"type": "string"
},
"target": {
"type": "string"
},
"value": {
"type": "string"
},
"data": {
"type": "string"
},
"call": {
"$ref": "#/components/schemas/ContractCall"
}
}
},
"UserStorage": {
"type": "object",
"required": [
"userAddress",
"key",
"value"
],
"properties": {
"userAddress": {
"type": "string"
},
"key": {
"type": "string"
},
"value": {
"type": "object"
}
}
},
"Token": {
"type": "object",
"required": [
"chainId",
"contractAddress"
],
"properties": {
"chainId": {
"type": "number"
},
"contractAddress": {
"type": "string"
},
"tokenId": {
"type": "string"
}
}
},
"Price": {
"type": "object",
"required": [
"value",
"currency"
],
"properties": {
"value": {
"type": "number"
},
"currency": {
"type": "string"
}
}
},
"TokenPrice": {
"type": "object",
"required": [
"token",
"floorPrice",
"buyPrice",
"sellPrice",
"updatedAt"
],
"properties": {
"token": {
"$ref": "#/components/schemas/Token"
},
"price": {
"$ref": "#/components/schemas/Price"
},
"price24hChange": {
"$ref": "#/components/schemas/Price"
},
"floorPrice": {
"$ref": "#/components/schemas/Price"
},
"buyPrice": {
"$ref": "#/components/schemas/Price"
},
"sellPrice": {
"$ref": "#/components/schemas/Price"
},
"updatedAt": {
"type": "string"
}
}
},
"ExchangeRate": {
"type": "object",
"required": [
"name",
"symbol",
"value",
"vsCurrency",
"currencyType"
],
"properties": {
"name": {
"type": "string"
},
"symbol": {
"type": "string"
},
"value": {
"type": "number"
},
"vsCurrency": {
"type": "string"
},
"currencyType": {
"type": "string"
}
}
},
"LinkedWallet": {
"type": "object",
"required": [
"id",
"walletAddress",
"linkedWalletAddress"
],
"properties": {
"id": {
"type": "number"
},
"walletType": {
"type": "string"
},
"walletAddress": {
"type": "string"
},
"linkedWalletAddress": {
"type": "string"
},
"createdAt": {
"type": "string"
}
}
},
"Page": {
"type": "object",
"properties": {
"pageSize": {
"type": "number"
},
"page": {
"type": "number"
},
"totalRecords": {
"type": "number"
},
"column": {
"type": "string"
},
"before": {
"type": "object"
},
"after": {
"type": "object"
},
"sort": {
"type": "array",
"description": "[]SortBy",
"items": {
"$ref": "#/components/schemas/SortBy"
}
},
"more": {
"type": "boolean"
}
}
},
"SortBy": {
"type": "object",
"required": [
"column",
"order"
],
"properties": {
"column": {
"type": "string"
},
"order": {
"$ref": "#/components/schemas/SortOrder"
}
}
},
"SardineNFTCheckoutParams": {
"type": "object",
"required": [
"name",
"imageUrl",
"network",
"recipientAddress",
"blockchainNftId",
"contractAddress",
"quantity",
"tokenAmount",
"tokenAddress",
"tokenSymbol",
"calldata",
"platform"
],
"properties": {
"name": {
"type": "string"
},
"imageUrl": {
"type": "string"
},
"network": {
"type": "string"
},
"recipientAddress": {
"type": "string"
},
"blockchainNftId": {
"type": "string"
},
"contractAddress": {
"type": "string"
},
"quantity": {
"type": "number"
},
"decimals": {
"type": "number"
},
"tokenAmount": {
"type": "string"
},
"tokenAddress": {
"type": "string"
},
"tokenSymbol": {
"type": "string"
},
"tokenDecimals": {
"type": "number"
},
"calldata": {
"type": "string"
},
"platform": {
"type": "string"
},
"approvedSpenderAddress": {
"type": "string"
}
}
},
"SardineNFTCheckout": {
"type": "object",
"required": [
"token",
"expiresAt",
"orderId"
],
"properties": {
"token": {
"type": "string"
},
"expiresAt": {
"type": "string"
},
"orderId": {
"type": "string"
}
}
},
"SardineOrder": {
"type": "object",
"required": [
"id",
"referenceId",
"status",
"fiatCurrency",
"fiatExchangeRateUSD",
"transactionId",
"total",
"subTotal",
"transactionFee",
"networkFee",
"transactionType",
"name",
"price",
"imageUrl",
"recipientAddress"
],
"properties": {
"id": {
"type": "string"
},
"createdAt": {
"type": "string"
},
"referenceId": {
"type": "string"
},
"status": {
"type": "string"
},
"fiatCurrency": {
"type": "string"
},
"fiatExchangeRateUSD": {
"type": "number"
},
"transactionId": {
"type": "string"
},
"expiresAt": {
"type": "string"
},
"total": {
"type": "number"
},
"subTotal": {
"type": "number"
},
"transactionFee": {
"type": "number"
},
"networkFee": {
"type": "number"
},
"paymentCurrency": {
"type": "string"
},
"paymentMethodType": {
"type": "string"
},
"transactionType": {
"type": "string"
},
"name": {
"type": "string"
},
"price": {
"type": "number"
},
"imageUrl": {
"type": "string"
},
"contractAddress": {
"type": "string"
},
"transactionHash": {
"type": "string"
},
"recipientAddress": {
"type": "string"
}
}
},
"SardineRegion": {
"type": "object",
"required": [
"countryCode",
"isAllowedOnRamp",
"isAllowedOnNFT",
"isBasicKycRequired",
"isSsnRequired",
"name",
"currencyCode",
"isPayrollSupported",
"supportedDocuments",
"paymentMethods",
"states"
],
"properties": {
"countryCode": {
"type": "string"
},
"isAllowedOnRamp": {
"type": "boolean"
},
"isAllowedOnNFT": {
"type": "boolean"
},
"isBasicKycRequired": {
"type": "array",
"description": "[]string",
"items": {
"type": "string"
}
},
"isSsnRequired": {
"type": "array",
"description": "[]string",
"items": {
"type": "string"
}
},
"name": {
"type": "string"
},
"currencyCode": {
"type": "string"
},
"isPayrollSupported": {
"type": "boolean"
},
"supportedDocuments": {
"type": "array",
"description": "[]string",
"items": {
"type": "string"
}
},
"paymentMethods": {
"type": "array",
"description": "[]SardineRegionPaymentMethod",
"items": {
"$ref": "#/components/schemas/SardineRegionPaymentMethod"
}
},
"states": {
"type": "array",
"description": "[]SardineRegionState",
"items": {
"$ref": "#/components/schemas/SardineRegionState"
}
}
}
},
"SardineRegionPaymentMethod": {
"type": "object",
"required": [
"name",
"isAllowedOnRamp",
"isAllowedOnNFT",
"subTypes",
"type",
"subType"
],
"properties": {
"name": {
"type": "string"
},
"isAllowedOnRamp": {
"type": "boolean"
},
"isAllowedOnNFT": {
"type": "boolean"
},
"subTypes": {
"type": "array",
"description": "[]string",
"items": {
"type": "string"
}
},
"type": {
"type": "string"
},
"subType": {
# --- truncated at 32 KB (91 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/horizon-blockchain-games/refs/heads/main/openapi/horizon-blockchain-games-infrastructure-openapi-original.json