---
title: "Get the curated signal catalog for a domain"
method: GET
path: "/v1/embeddings/band-schemas/{domain_id}/catalog"
tags: ["v1", "Band Schemas"]
---

# Get the curated signal catalog for a domain

`GET /v1/embeddings/band-schemas/{domain_id}/catalog`

## Request

- Base URL: `https://memory.papr.ai`
- URL: `https://memory.papr.ai/v1/embeddings/band-schemas/{domain_id}/catalog`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer

Return the LLM-curated catalog showing what signal values exist in this domain.

The catalog is built incrementally from transform calls. It contains:
- entity_clusters: semantically-grouped entity values
- relationship_patterns: clustered relationship types
- signal_value_counts: raw per-band value frequencies
- domain_distribution: per-band document counts
- total_documents: total transforms processed

## Path parameters

- `domain_id` string, required

## Response `200`

Successful Response

- DomainCatalog: Curated summary of what's in a domain's frequency space.
  - `entity_clusters` CatalogEntityCluster[]
    - `label` string, required: LLM-chosen canonical label for this cluster.
    - `members` string[]: Raw signal values merged into this cluster.
    - `count` integer: Total occurrences across all transforms.
  - `relationship_patterns` CatalogRelationshipPattern[]
    - `label` string, required: Canonical label (e.g. 'Causal', 'Preventive').
    - `members` string[]: Raw relationship values in this cluster.
    - `count` integer: Total occurrences.
  - `domain_distribution` object: Signal band name -> total doc count.
  - `signal_value_counts` object: Per-band raw value counts, e.g. {'domain': {'Health': 500, 'Tech': 200}}.
  - `total_documents` integer: Total transforms processed.
  - `last_refreshed` string, nullable: ISO timestamp of last LLM clustering run.
  - `last_updated` string, nullable: ISO timestamp of last buffer append.

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-16** `0e7a5c0d125d`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/papr-ai/apis/papr-memory-api/changes/v1/embeddings/band-schemas/:domain_id/catalog/get.md)

---

[API](https://skmtc.dev/papr-ai/apis/papr-memory-api.md) - [All operations](https://skmtc.dev/papr-ai/apis/papr-memory-api/llms.txt) - [OpenAPI document](https://skmtc.dev/papr-ai/apis/papr-memory-api/revisions/6fc381dc78b3?raw)