Data API

API Access

ATC Open Data API Platform

Welcome to the San Bernardino County Treasurer-Tax Collector's Open Data API

Our API platform provides programmatic access to public data resources including:

Property tax information and payment records
Tax rate area data and historical trends
Payment statistics and regional analytics
Public financial reports and documents

This API enables developers, researchers, and the public to integrate county tax data into their applications while ensuring transparency and accessibility of public financial information.

All API endpoints return JSON formatted responses and support standard query parameters for filtering, sorting, and pagination.

Query Examples

Complex Search Examples

Datasets modified in last month with specific tag:
https:///api/3/action/package_search?fq=metadata_modified:[NOW-30DAY TO NOW]+tags:economy

Datasets from specific organization with format:
https:///api/3/action/package_search?fq=organization:finance-dept+res_format:CSV

Full-text search with multiple filters:
https:///api/3/action/package_search?q=budget&fq=tags:"2024"+res_format:JSON&sort=score desc

API Response Format

All API calls return JSON in the following format:

{
  "success": true,
  "result": {
    // The actual data you requested
  },
  "help": "API documentation string"
}

Dataset Search

Basic Search

Search all datasets:
https:///api/3/action/package_search

Search by title:
https:///api/3/action/package_search?q=title:finance

Advanced Filtering

Filter by multiple fields:
https:///api/3/action/package_search?fq=tags:"finance"+organization:"treasury"

Limit results and sort:
https:///api/3/action/package_search?q=budget&rows=10&sort=metadata_modified desc

Dataset & Resource Access

Dataset Operations

Get dataset details:
https:///api/3/action/package_show?id=dataset-name

List all datasets:
https:///api/3/action/package_list

Resource Operations

Get resource details:
https:///api/3/action/resource_show?id=resource-id

Search resources:
https:///api/3/action/resource_search?query=name:data.csv

Organizations & Groups

Organization API

List all organizations:
https:///api/3/action/organization_list

Show organization details:
https:///api/3/action/organization_show?id=org-name&include_datasets=true

Group API

List all groups:
https:///api/3/action/group_list

Show group details:
https:///api/3/action/group_show?id=group-name&include_datasets=true

Tags & Categories

Tag Operations

List all tags:
https:///api/3/action/tag_list

Search tags:
https:///api/3/action/tag_search?query=finance

Show tag details:
https:///api/3/action/tag_show?id=tag-name

For complete documentation, see the CKAN API Documentation

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