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OpenAPI Specification

openapi: 3.2.0
info:
  title: Encompass Developer Connect Loan Management API
  description: Encompass Developer Connect is the ICE Mortgage Technology (formerly Ellie Mae) REST API platform for the Encompass loan origination system (LOS).
  version: '2026-07-04'
  contact:
    name: ICE Mortgage Technology - Encompass Developer Connect
    url: https://developer.icemortgagetechnology.com/developer-connect/docs/welcome
  x-lineage: Encompass is a product of ICE Mortgage Technology, formerly Ellie Mae, acquired by Intercontinental Exchange (ICE) in 2020. The API host api.elliemae.com reflects the Ellie Mae lineage.
servers:
- url: https://api.elliemae.com
  description: Encompass Developer Connect production API host (Ellie Mae lineage)
security:
- oAuth2: []
- bearerAuth: []
tags:
- name: Loan Management
  description: Create, read, update, and delete Encompass loan files and loan data.
paths:
  /encompass/v3/loans:
    post:
      operationId: createLoan
      tags:
      - Loan Management
      summary: Create a loan
      description: Create a new Encompass loan file, optionally from a loan template set.
      x-endpoint-status: confirmed
      responses:
        '201':
          description: The created loan.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Loan'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /encompass/v3/loans/{loanId}:
    get:
      operationId: getLoan
      tags:
      - Loan Management
      summary: Retrieve a loan
      description: Retrieve a loan file and its data by loan GUID.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/LoanId'
      - name: entities
        in: query
        description: Comma-separated list of loan entities to include in the response.
        schema:
          type: string
      responses:
        '200':
          description: The requested loan.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Loan'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updateLoan
      tags:
      - Loan Management
      summary: Update a loan
      description: Write values to loan data fields. Supports append/replace of collections.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/LoanId'
      responses:
        '200':
          description: The updated loan.
        '401':
          $ref: '#/components/responses/Unauthorized'
    delete:
      operationId: deleteLoan
      tags:
      - Loan Management
      summary: Delete a loan
      description: Delete a loan file.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/LoanId'
      responses:
        '204':
          description: Loan deleted.
        '401':
          $ref: '#/components/responses/Unauthorized'
  /encompass/v3/loans/{loanId}/ucdFields:
    get:
      operationId: getLoanUcdFields
      tags:
      - Loan Management
      summary: Retrieve UCD field definitions for a loan
      description: Retrieve Uniform Closing Dataset (UCD) field definitions for a loan.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/LoanId'
      responses:
        '200':
          description: UCD field definitions.
        '401':
          $ref: '#/components/responses/Unauthorized'
  /encompass/v1/loans/{loanId}/moveToFolder:
    patch:
      operationId: moveLoanToFolder
      tags:
      - Loan Management
      summary: Move a loan to a folder
      description: Move a loan file into a different loan folder.
      x-endpoint-status: confirmed
      parameters:
      - $ref: '#/components/parameters/LoanId'
      responses:
        '200':
          description: Loan moved.
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  responses:
    NotFound:
      description: The requested resource was not found.
    Unauthorized:
      description: Missing or invalid OAuth 2.0 bearer token.
  parameters:
    LoanId:
      name: loanId
      in: path
      required: true
      description: The loan GUID.
      schema:
        type: string
  schemas:
    Loan:
      type: object
      description: An Encompass loan file. The full data model is large and persona-scoped.
      properties:
        id:
          type: string
          description: The loan GUID.
        loanNumber:
          type: string
        loanFolder:
          type: string
        applications:
          type: array
          items:
            type: object
  securitySchemes:
    oAuth2:
      type: oauth2
      description: OAuth 2.0 client credentials / authorization code issued per Encompass instance.
      flows:
        clientCredentials:
          tokenUrl: https://api.elliemae.com/oauth2/v1/token
          scopes: {}
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT