# Eximee API

**Eximee API** is the unified integration layer of the Eximee platform, which is divided into:

1. **EximeeBPMS API** – handling of processes, tasks, and history in the BPMN 2.0 model.
2. **Eximee API** – access to case statuses, document generator, data model, configuration, and event notifications.

## EximeeBPMS API

### Role and architecture

An interface for launching and supervising process instances, managing user and automatic tasks, event-based communication, and browsing case history. Designed to work with EximeeBPMS and other engines implementing BPMN 2.0.

### Functional scope

* **Process instances**\
  • start a process instance (with separation of business and process data),\
  • retrieve instance details (including process and business variables).
* **Process variables**\
  • change the value of a process variable.
* **User tasks (User Tasks)**\
  • retrieve process and business data,\
  • change state,\
  • approve along with sending variables,\
  • manage the assigned user.
* **Automatic tasks (Service Tasks)**\
  • asynchronous handling of service tasks.
* **Event communication**\
  • send a message to the process.
* **Incidents**\
  • retrieve information about an incident,\
  • retry the task on which the incident occurred.
* **Lists and history**\
  • task list, process list, case history.

### Integrations

* **Eximee Forms** – forms as the interface for user tasks.
* **Eximee Case Management** – presentation of task/case lists and history.
* **Eximee Data Model Runtime** – read/write access to business data during the process.
* **Eximee Dashboard** – UI layer for operational users.

### Security and compliance

* OAuth 2.0 / OIDC (JWT), domain roles, operation audit.
* TLS 1.2+; rate limiting and the principle of least privilege.

### Example scenarios

* Start a process from CRM and track the instance status.
* Approve a user task while passing variables.
* Retry a service task incident.

## Eximee API

### Role and architecture

General platform interfaces not directly related to process execution: case status, document generator, data model, configuration, and event notifications.

### Functional scope (methods from the document only)

* **Case status**\
  • create status,\
  • update status,\
  • retrieve status.
* **Document generator**\
  • request document generation based on provided data (with an option to use the data model).
* **Application data model**\
  • access to **the structure** of the model,\
  • access to **data** (read).
* **Application configuration**\
  • **read-only** access to configuration.
* **Event notifications from external domains**\
  • notify the platform about events in external domains that handle processes.

### Integrations

* **Eximee Document Generator** – execution of document generation requests.
* **Eximee Model Runtime** – exposing the structure/data of the application.
* **Eximee Configuration Server** – read-only configuration.
* **External systems** – reporting domain events.

### Security and compliance

* OAuth 2.0 / OIDC (JWT), domain roles, access audit.
* TLS 1.2+; rate limiting; API versioning (e.g. `/v1/...`).

### Example scenarios

* CRM reads the structure and data from the model and the current case status.
* The scoring system reports an event that triggers further steps on the Eximee side.


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