---
title: "Get Catalog Schema"
method: GET
path: "/public/catalogs/{catalog_id}/schema"
tags: ["Catalog Schemas"]
---

# Get Catalog Schema

`GET /public/catalogs/{catalog_id}/schema`

## Request

- Base URL: `https://catalogapi.rastro.ai/api`
- URL: `https://catalogapi.rastro.ai/api/public/catalogs/{catalog_id}/schema`
- Auth: HTTP bearer

Get catalog schema definition.

Returns the schema for a catalog, including field definitions, types, and metadata.

## Path parameters

- `catalog_id` string, required

## Query parameters

- `version` string, nullable: Specific schema version (defaults to current)

## Headers

- `X-Organization-Id` string, nullable

## Response `200`

Successful Response

- CatalogSchemaResponse: Response model for catalog schema
  - `id` string, required
  - `catalog_id` string, required
  - `version` string, required
  - `schema_definition` object, required
  - `backward_compatible` boolean, required
  - `migration_rules` object, nullable
  - `created_by` string, required
  - `change_reason` string, required
  - `created_at` string, date-time, required
  - `last_edited_by_workflow` string, nullable
  - `last_edited_at` string, date-time, nullable
  - `fields_workflow_info` FieldWorkflowInfo[]
    - `field_name` string, required
    - `field_type` string, required
    - `description` string, nullable
    - `required` boolean
    - `field_category` string
    - `scope` string
    - `unit` string, nullable
    - `sample_values` string[], nullable
    - `added_by_workflow` string, nullable
    - `added_by_node` string, nullable
    - `added_in_version` string, nullable
    - `created_at` string, date-time, nullable
    - `last_edited_by_workflow` string, nullable
    - `last_edited_by_node` string, nullable
    - `last_edited_at` string, date-time, nullable
    - `last_edited_in_version` string, nullable
    - `validation_rules` object, nullable
  - `total_fields` integer
  - `input_fields_count` integer
  - `generated_fields_count` integer

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/rastro-ai/apis/rastro-public-api.md) - [All operations](https://skmtc.dev/rastro-ai/apis/rastro-public-api/llms.txt) - [OpenAPI document](https://skmtc.dev/rastro-ai/apis/rastro-public-api/revisions/57c8ed4854bb?raw)