# SS&C Eze EMS xAPI

**Canonical:** https://apis.io/apis/ss-c-technologies/ssc-eze-ems-xapi/  
**Provider:** SS&C Technologies — https://apis.io/providers/ss-c-technologies/  
**Base URL:** https://emsuatxapi.taltrade.com:9001  
**Documentation:** https://github.com/ezesoft/xapi

SS&C Eze EMS xAPI is one of 3 APIs that [SS&C Technologies](https://apis.io/providers/ss-c-technologies/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Execution Management, Order Management, Market Data, Trading, and gRPC. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, and authentication docs.

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.

## Operations (60 of 73)

| Method | Path | Summary |
|---|---|---|
| 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` | — |

…and 13 more operations. They are listed in full on the page.

## Machine-readable artifacts (16)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/openapi/ss-c-technologies-eze-ems-xapi-openapi.json
- **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
- **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
- **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
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/ss-c-technologies/refs/heads/main/authentication/ss-c-technologies-authentication.yml
- **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

## Other SS&C Technologies APIs (2)

- [SS&C APIM Developer Portal](https://apis.io/apis/ss-c-technologies/ssc-apim-developer-portal/)
- [SS&C Black Diamond Wealth Platform API](https://apis.io/apis/ss-c-technologies/ssc-black-diamond-wealth-platform-api/)

## Tags

Execution Management, Order Management, Market Data, Trading, gRPC, Financial-Services

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/ss-c-technologies/ssc-eze-ems-xapi/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/ss-c-technologies/.
