US Senate Clients API
Clients on whose behalf lobbying is conducted
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OpenAPI Specification
openapi: 3.2.0
info:
title: US Senate Lobbying Disclosure Act (LDA) Clients API
description: The Senate Lobbying Disclosure Act (LDA) REST API provides public access to lobbying filings, registrations, quarterly activity reports (LD-2), and semi-annual contribution reports (LD-203). An optional API key increases the rate limit from 15 to 120 requests per minute.
version: '1.0'
contact:
name: Senate Office of Public Records
email: lobby@sec.senate.gov
url: https://lda.senate.gov/api/
servers:
- url: https://lda.senate.gov/api/v1
security:
- ApiKeyAuth: []
- {}
tags:
- name: Clients
description: Clients on whose behalf lobbying is conducted
paths:
/clients/:
get:
tags:
- Clients
operationId: listClients
summary: List Lobbying Clients
description: Returns a paginated list of clients on whose behalf lobbying is conducted.
parameters:
- name: name
in: query
description: Filter by client name (partial match)
schema:
type: string
- name: page
in: query
schema:
type: integer
default: 1
- name: format
in: query
schema:
type: string
enum:
- json
default: json
responses:
'200':
description: Paginated list of clients
content:
application/json:
schema:
$ref: '#/components/schemas/ClientListResponse'
/clients/{id}/:
get:
tags:
- Clients
operationId: getClient
summary: Get Client by ID
description: Retrieve a specific lobbying client by ID.
parameters:
- name: id
in: path
required: true
description: Client ID
schema:
type: integer
- name: format
in: query
schema:
type: string
enum:
- json
default: json
responses:
'200':
description: Client details
content:
application/json:
schema:
$ref: '#/components/schemas/Client'
'404':
description: Not found
components:
schemas:
Client:
type: object
description: A client on whose behalf lobbying activities are conducted
properties:
id:
type: integer
url:
type: string
format: uri
client_id:
type: integer
name:
type: string
description: Name of the client organization
general_description:
type:
- string
- 'null'
client_government_entity:
type:
- boolean
- 'null'
state:
type:
- string
- 'null'
country:
type: string
effective_date:
type: string
format: date
ClientListResponse:
type: object
properties:
count:
type: integer
next:
type:
- string
- 'null'
format: uri
previous:
type:
- string
- 'null'
format: uri
results:
type: array
items:
$ref: '#/components/schemas/Client'
securitySchemes:
ApiKeyAuth:
type: apiKey
in: header
name: Authorization
description: 'Token-based auth. Format: ''Token YOUR_API_KEY'''