The Securities Accounts API from lemon.markets — 2 operation(s) for securities accounts.
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openapi: 3.2.0
info:
title: lemon.markets Brokerage API 🍋 Securities Accounts API
version: 0.1.0
servers:
- url: https://sandbox.api.lemon.markets/v1
description: Sandbox
tags:
- name: Securities Accounts
paths:
/accounts/{account_id}/securities_accounts:
post:
summary: Create Securities Account
operationId: create_securities_account
tags:
- Securities Accounts
parameters:
- name: account_id
in: path
required: true
schema:
type: string
title: Account Identifier
example: cusa_c2c3f89ec0524b6e818ce00c16e4897f
description: 'An account identifier.
'
- name: LMG-Data-Privacy-Access-Principal
in: header
required: true
schema:
type: string
title: Lmg-Data-Privacy-Access-Principal
- name: LMG-Data-Privacy-Access-Justification
in: header
required: true
schema:
type: string
title: Lmg-Data-Privacy-Access-Justification
responses:
'201':
description: Successful Response
content:
application/json:
schema:
$ref: '#/components/schemas/broker__apps__api__endpoints__securities_accounts__SecuritiesAccountResponse'
example:
id: sec_ac_00e49aeab85844c89de57929bcb0f76a
account_number: LMM867947731
history:
- status: created
timestamp: '2025-07-14T11:36:27.530203+00:00'
'400':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Bad Request
'401':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Unauthorized
'404':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Not Found
'422':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Unprocessable Entity
5XX:
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Server Error
get:
summary: List Securities Accounts
operationId: list_securities_accounts
tags:
- Securities Accounts
parameters:
- name: account_id
in: path
required: true
schema:
type: string
title: Account Identifier
example: cusa_c2c3f89ec0524b6e818ce00c16e4897f
description: 'An account identifier.
'
- name: cursor
required: false
schema:
title: Cursor
type: string
description: 'A pagination cursor. When you receive a paginated response containing the property `pagination.next_cursor`, you can pass its value here to get the next page of results for your query.
A cursor will include filter parameters, so there is not need to specify both the `cursor` and any other filter parameter.
'
in: query
- name: limit
required: false
schema:
title: Limit
maximum: 100
minimum: 1
default: 100
type: integer
in: query
description: 'In order to customize the number of elements returned, you can provide a limit here. The service will not return more elements than specified.
'
- name: status
in: query
required: false
schema:
$ref: '#/components/schemas/SecuritiesAccountStatus'
title: Status
- name: LMG-Data-Privacy-Access-Principal
in: header
required: true
schema:
type: string
title: Lmg-Data-Privacy-Access-Principal
- name: LMG-Data-Privacy-Access-Justification
in: header
required: true
schema:
type: string
title: Lmg-Data-Privacy-Access-Justification
responses:
'200':
description: Successful Response
content:
application/json:
schema:
$ref: '#/components/schemas/EncodedPaginatedCollectionResponse_SecuritiesAccountResponse_'
example:
data:
- id: sec_ac_00e49aeab85844c89de57929bcb0f76a
account_number: LMM867947731
history:
- status: opened
timestamp: '2025-07-14T11:36:28.157491+00:00'
- status: created
timestamp: '2025-07-14T11:36:27.530203+00:00'
- id: sec_ac_2f532772b8f84da9859215754a50f091
account_number: LMM000000127
history:
- status: opened
timestamp: '2023-07-14T16:14:22.645530+00:00'
- status: created
timestamp: '2023-07-14T16:10:50.160199+00:00'
pagination:
next_cursor: null
'400':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Bad Request
'401':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Unauthorized
'404':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Not Found
'422':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Unprocessable Entity
5XX:
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Server Error
/accounts/{account_id}/securities_accounts/{securities_account_id}:
get:
summary: Get Securities Account
operationId: get_securities_account
tags:
- Securities Accounts
parameters:
- name: account_id
in: path
required: true
schema:
type: string
title: Account Identifier
example: cusa_c2c3f89ec0524b6e818ce00c16e4897f
description: 'An account identifier.
'
- name: securities_account_id
in: path
required: true
schema:
type: string
title: Securities Account Identifier
example: sec_ac_00e49aeab85844c89de57929bcb0f76a
description: 'A securities account identifier.
'
- name: LMG-Data-Privacy-Access-Principal
in: header
required: true
schema:
type: string
title: Lmg-Data-Privacy-Access-Principal
- name: LMG-Data-Privacy-Access-Justification
in: header
required: true
schema:
type: string
title: Lmg-Data-Privacy-Access-Justification
responses:
'200':
description: Successful Response
content:
application/json:
schema:
$ref: '#/components/schemas/broker__apps__api__endpoints__securities_accounts__SecuritiesAccountResponse'
example:
id: sec_ac_00e49aeab85844c89de57929bcb0f76a
account_number: LMM867947731
history:
- status: opened
timestamp: '2025-07-14T11:36:28.157491+00:00'
- status: created
timestamp: '2025-07-14T11:36:27.530203+00:00'
'400':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Bad Request
'401':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Unauthorized
'404':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Not Found
'422':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Unprocessable Entity
5XX:
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Server Error
components:
schemas:
broker__apps__api__endpoints__securities_accounts__SecuritiesAccountResponse:
properties:
id:
type: string
title: Identifier
description: 'A value identifiying a securities account. Use this as a technical identifier for the securities account.
'
account_number:
type: string
title: Account Number
description: 'A string representing the account number for the securities account. Use this is a user-visible identifier for the securities account.
'
history:
items:
$ref: '#/components/schemas/StatusChange_CustomerAccountStatus_'
type: array
title: History
description: 'A history of the status changes for the security account.
'
type: object
required:
- id
- account_number
- created_at
- history
title: SecuritiesAccountResponse
CustomerAccountStatus:
title: CustomerAccountStatus
enum:
- closed
- created
- opened
- rejected
type: string
description: 'A category representing the status of a user''s account.
<ul> <li><code>closed</code> <li><code>created</code> <li><code>opened</code> <li><code>rejected</code> </ul>
<strong>NOTE:</strong> This list is not final yet, there will be more values added later.
'
StatusChange_CustomerAccountStatus_:
title: StatusChange[CustomerAccountStatus]
description: 'An object representing a change in the user account.
'
required:
- status
- timestamp
type: object
properties:
status:
$ref: '#/components/schemas/CustomerAccountStatus'
timestamp:
title: Timestamp
type: string
format: date-time
description: 'The timestamp of the event. It represents the point in time at which the account was updated.
'
example: '2023-06-23T07:29:55.465000+00:00'
ErrorResponse:
title: ErrorResponse
required:
- message
type: object
properties:
message:
title: Message
type: string
SecuritiesAccountStatus:
type: string
enum:
- created
- opened
- rejected
- closed
title: SecuritiesAccountStatus
EncodedPaginatedCollectionResponse_SecuritiesAccountResponse_:
properties:
data:
items:
$ref: '#/components/schemas/broker__apps__api__endpoints__securities_accounts__SecuritiesAccountResponse'
type: array
title: Data
description: 'The elements of the response.
'
pagination:
$ref: '#/components/schemas/EncodedPaginationResponse'
type: object
required:
- data
- pagination
title: EncodedPaginatedCollectionResponse[SecuritiesAccountResponse]
EncodedPaginationResponse:
type: object
title: EncodedPaginationResponse
properties:
next_cursor:
type: string
title: Next Cursor
description: 'When fetching long lists of elements, you can use our pagination feature to fetch batches of data. If a response contains the property `pagination.next_cursor`, you can pass its value via the query item `cursor` to generate the request for the next batch of data.
'
description: 'Information about accessing elements beyond the ones that were returned.
'
example:
next_cursor: <opaque-data>
securitySchemes:
bearerAuth:
type: http
scheme: bearer