SS&C Technologies

SS&C Eze EMS xAPI

Cross-platform execution-management API for Eze EMS, published by SS&C Eze as a gRPC contract (three proto3 files, 64 RPCs across MarketDataService, SubmitOrderService and UtilityServices) with an equivalent REST projection described by OpenAPI 3.0.4 (73 operations, 123 schemas). Covers connect/authenticate (including SRP and MFA), single, pair, basket, allocation and book-trade order submission, amendment and cancellation, order and execution detail retrieval, streaming order and market-data subscriptions, symbol reference data, option chains and greeks, and today's balances, net positions and activity. Bearer JWT on REST; a UserToken returned by Connect is carried on every subsequent call.

GitHub OpenAPI

Operations 73

GET /api/v1/security/daily-weekly-monthly-bars
GET /api/v1/security/intraday-bars
GET /api/v1/security/option-chain-for-underlier
GET /api/v1/security/symbol-reference-data
GET /api/v1/security/tick-data
GET /api/v1/security/options-and-greek-data
GET /api/v1/security/security-data
GET /api/v1/security/option-symbol-from-description
GET /api/v1/security/description-from-option-symbol
GET /api/v1/security/subscribe-symbols
DELETE /api/v1/security/subscribe-symbols
GET /api/v1/security/subscribe-symbols-level2
DELETE /api/v1/security/subscribe-symbols-level2
POST /api/v1/security/symbols
DELETE /api/v1/security/symbols
POST /api/v2/security/symbols
GET /api/v1/security/symbols-from-company-name
GET /api/v1/security/symbol-from-alternate-symbology
GET /api/v1/security/level1-market-data
GET /api/v1/security/subscribe-tick-data
DELETE /api/v1/security/subscribe-tick-data
GET /api/v1/security/subscribe-intraday-bars
DELETE /api/v1/security/subscribe-intraday-bars
POST /api/v1/order
PUT /api/v1/order
DELETE /api/v1/order
POST /api/v2/order
PUT /api/v2/order
POST /api/v1/order/book-trade
POST /api/v2/order/book-trade
POST /api/v1/order/pair-order
PUT /api/v1/order/pair-order
DELETE /api/v1/order/pair-order
POST /api/v2/order/pair-order
PUT /api/v2/order/pair-order
POST /api/v1/order/seed-data
POST /api/v2/order/seed-data
GET /api/v1/order/user-accounts
POST /api/v1/orders
POST /api/v2/orders
GET /api/v1/order/subscribe
POST /api/v1/order/allocation-order
POST /api/v2/order/allocation-order
POST /api/v1/order/trade-report
POST /api/v2/order/trade-report
GET /api/v1/order/get-order-detail-by-date-range
GET /api/v1/order/order-detail-by-order-id
GET /api/v1/order/order-detail-by-order-tag
GET /api/v1/user/user-permissions
GET /api/v1/utility/todays-balances
GET /api/v1/utility/todays-activity
GET /api/v1/utility/todays-breakdown-positions
GET /api/v1/utility/todays-net-positions
GET /api/v1/utility/todays-net-positions/subscribe
DELETE /api/v1/utility/todays-net-positions/subscribe
GET /api/v1/authentication/connect
GET /api/v1/utility/heartbeat-subscribe
GET /api/v1/authentication/disconnect
GET /api/v1/authentication/start-login-srp
GET /api/v1/authentication/complete-login-srp
GET /api/v1/authentication/multi-factor-authentication
GET /api/v1/authentication/change-password-srp
GET /api/v1/authentication/change-password
GET /api/v1/utility/strategy-list
GET /api/v1/utility/firm-name
GET /api/v1/utility/user-exists
GET /api/v1/utility/strategy-data
POST /api/v1/utility/create-strategy
PUT /api/v1/utility/update-strategy
GET /api/v1/utility/user-routes
GET /api/v1/utility/user-route-props
GET /health
GET /ready

Documentation

📖
Documentation
https://github.com/ezesoft/xapi/blob/master/readme.md
📖
APIReference
https://emsuatxapi.taltrade.com:9001/index.html
📖
GettingStarted
https://github.com/ezesoft/xapi/blob/master/readme.md#how-do-i-get-started-with-xapi
📖
Authentication
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/authentication/ss-c-technologies-authentication.yml

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/openapi/ss-c-technologies-eze-ems-xapi-openapi.json

Other Resources

🔗
Protobuf
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/grpc/ss-c-technologies-xapi-order.proto
🔗
Protobuf
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/grpc/ss-c-technologies-xapi-market-data.proto
🔗
Protobuf
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/grpc/ss-c-technologies-xapi-utilities.proto
🔗
SourceCode
https://github.com/ezesoft/xapi
🔗
Postman
https://www.postman.com/ssnc-eze-ems-xapi/ems-xapi-rest/collection/jeebiq6/ss-c-eze-ems-xapi
🔗
Conventions
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/conventions/ss-c-technologies-conventions.yml
🔗
ErrorCatalog
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/errors/ss-c-technologies-problem-types.yml
🔗
DataModel
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/data-model/ss-c-technologies-data-model.yml
🔗
Overlay
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/overlays/ss-c-technologies-eze-ems-xapi-overlay.yaml
🔗
Sandbox
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/sandbox/ss-c-technologies-sandbox.yml
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/apis.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/ssc-eze-ems-xapi"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

ss-c-technologies-eze-ems-xapi-openapi.json Raw ↑ 
{
  "openapi": "3.0.4",
  "info": {
    "title": "SS&C Eze EMS XAPI",
    "version": "v2026.5.0"
  },
  "paths": {
    "/api/v1/security/daily-weekly-monthly-bars": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbol",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Interim.BarIntervalOption",
            "in": "query",
            "schema": {
              "$ref": "#/components/schemas/IntervalTypesOptions"
            }
          },
          {
            "name": "StopDate",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "DaysBack",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          },
          {
            "name": "RequestId",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/DailyWeeklyMonthlyBarsResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/intraday-bars": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbol",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "BarInterval",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          },
          {
            "name": "DaysBack",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          },
          {
            "name": "StartAtMidnight",
            "in": "query",
            "schema": {
              "type": "boolean"
            }
          },
          {
            "name": "Date",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "StartTime",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "StopTime",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "requestId",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          },
          {
            "name": "ShowPrePostMarket",
            "in": "query",
            "schema": {
              "type": "boolean"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/IntradayBarsResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/option-chain-for-underlier": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "SymbolRoot",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "RequestId",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/OptionChainResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/symbol-reference-data": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbol",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SymbolReferenceDataResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/tick-data": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbol",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Date",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "StartTime",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "StopTime",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "RequestId",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/TickDataResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/options-and-greek-data": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbols",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/OptionsAndGreekDataResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/security-data": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbol",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SecurityDataResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/option-symbol-from-description": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Root",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Expiration",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "OptionType.CallOrPut",
            "in": "query",
            "schema": {
              "$ref": "#/components/schemas/OptionTypesTypesOptions"
            }
          },
          {
            "name": "StrikePrice",
            "in": "query",
            "schema": {
              "type": "number",
              "format": "double"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/OptionSymbolFromDescriptionResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/description-from-option-symbol": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbol",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/DescriptionFromOptionSymbolResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/subscribe-symbols": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbols",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          },
          {
            "name": "RegionalExchangeIds",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          },
          {
            "name": "Request",
            "in": "query",
            "schema": {
              "type": "boolean"
            }
          },
          {
            "name": "Advise",
            "in": "query",
            "schema": {
              "type": "boolean"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Level1MarketDataResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      },
      "delete": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/UnSubscribeLevel1DataResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/subscribe-symbols-level2": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbols",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          },
          {
            "name": "RequestId",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          },
          {
            "name": "MarketSource",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          },
          {
            "name": "Request",
            "in": "query",
            "schema": {
              "type": "boolean"
            }
          },
          {
            "name": "Advise",
            "in": "query",
            "schema": {
              "type": "boolean"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Level2MarketDataResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      },
      "delete": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/UnSubscribeLevel2DataResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/symbols": {
      "post": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbols",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          },
          {
            "name": "MarketDataLevel",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/AddSymbolsResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      },
      "delete": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbols",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          },
          {
            "name": "MarketDataLevel",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/RemoveSymbolsResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v2/security/symbols": {
      "post": {
        "tags": [
          "MarketDataService"
        ],
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/AddSymbolsRequest"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/AddSymbolsResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/symbols-from-company-name": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "CompanyName",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SymbolsFromCompanyNameResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/symbol-from-alternate-symbology": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbol",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "SymbolInfo.SymbolOption",
            "in": "query",
            "schema": {
              "$ref": "#/components/schemas/AlternateSymbologyTypesSymbology"
            }
          },
          {
            "name": "Symbols",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SymbolFromAlternateSymbologyResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/level1-market-data": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbols",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          },
          {
            "name": "RegionalExchangeIds",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          },
          {
            "name": "FieldSelection.RequestedFields",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "$ref": "#/components/schemas/Level1FieldOptionsTypesFields"
              }
            }
          },
          {
            "name": "FieldSelection.RequestedExtendedFields",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Level1MarketDataRecordResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/subscribe-tick-data": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbol",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Request",
            "in": "query",
            "schema": {
              "type": "boolean"
            }
          },
          {
            "name": "Date",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "StartTime",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "StopTime",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "RequestId",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SubscribeTickDataResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      },
      "delete": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/UnSubscribeTickDataResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/security/subscribe-intraday-bars": {
      "get": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "Symbols",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          },
          {
            "name": "BarInterval",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          },
          {
            "name": "StartAtMidnight",
            "in": "query",
            "schema": {
              "type": "boolean"
            }
          },
          {
            "name": "ShowPrePostMarket",
            "in": "query",
            "schema": {
              "type": "boolean"
            }
          },
          {
            "name": "DaysBack",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          },
          {
            "name": "RequestId",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          },
          {
            "name": "EmitPartialBars",
            "in": "query",
            "schema": {
              "type": "boolean"
            }
          },
          {
            "name": "PartialIntervalSeconds",
            "in": "query",
            "schema": {
              "type": "integer",
              "format": "int32"
            }
          },
          {
            "name": "SinceTimestamp",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SubscribeIntradayBarsResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      },
      "delete": {
        "tags": [
          "MarketDataService"
        ],
        "parameters": [
          {
            "name": "UserToken",
            "in": "query",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/UnSubscribeIntradayBarsResponse"
                }
              }
            }
          },
          "default": {
            "description": "Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Google.Rpc.Status"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/order": {
      "post": {
        "tags": [
          "SubmitOrderService"
        ],
        "parameters": [
          {
            "name": "Symbol",
            "in": "query",
        

# --- truncated at 32 KB (192 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/openapi/ss-c-technologies-eze-ems-xapi-openapi.json