curl -X GET "https://api.omophub.com/v1/concepts/201826/relations/any" \
  -H "Authorization: Bearer YOUR_API_KEY"

import requests

concept_id = 201826  # Type 2 diabetes
url = f"https://api.omophub.com/v1/concepts/{concept_id}/relations/any"
params = {
    "relationship_types": "Maps to,Is a",
    "include_reverse": True
}

headers = {
    "Authorization": "Bearer YOUR_API_KEY"
}

response = requests.get(url, params=params, headers=headers)
data = response.json()

if data['data']['has_relations']:
    print(f"✓ Concept {concept_id} has relationships")
    summary = data['data']['relation_summary']
    print(f"  - Total: {summary['total_count']}")
    print(f"  - Standard mappings: {'Yes' if summary['has_standard_mappings'] else 'No'}")
else:
    print(f"✗ Concept {concept_id} has no relationships")

import { OMOPHub } from '@omophub/omophub-node';

// Not yet exposed as a dedicated SDK method - use the typed low-level helper.
const client = new OMOPHub();

interface RelationCheck {
  has_relations: boolean;
  relation_summary: { total_count: number; relationship_types: string[] };
}

const conceptId = 201826; // Type 2 diabetes
const { data } = await client.get<RelationCheck>(`/concepts/${conceptId}/relations/any`);

if (data?.has_relations) {
  console.log(`Concept ${conceptId} has ${data.relation_summary.total_count} relationships`);
  console.log('Relationship types:', data.relation_summary.relationship_types);
} else {
  console.log(`Concept ${conceptId} has no relationships`);
}

curl -X GET "https://api.omophub.com/v1/concepts/201826/relations/any?relationship_types=Maps%20to&vocabulary_ids=ICD10CM,ICD9CM" \
  -H "Authorization: Bearer YOUR_API_KEY"

import requests

def validate_concept_connectivity(concept_ids):
    """
    Check which concepts have standard mappings for data quality validation
    """
    connected_concepts = []
    isolated_concepts = []

    for concept_id in concept_ids:
        url = f"https://api.omophub.com/v1/concepts/{concept_id}/relations/any"
        params = {
            "relationship_types": "Maps to",
            "vocabulary_ids": "SNOMED,ICD10CM,ICD9CM"
        }

        response = requests.get(url, params=params, headers={
            "Authorization": "Bearer YOUR_API_KEY"
        })

        data = response.json()
        concept_data = data['data']

        if concept_data['has_relations'] and concept_data['relation_summary']['has_standard_mappings']:
            connected_concepts.append({
                'concept_id': concept_id,
                'total_mappings': concept_data['relation_summary']['total_count'],
                'vocabularies': concept_data['relation_summary']['connected_vocabularies']
            })
        else:
            isolated_concepts.append(concept_id)

    print(f"Connected concepts: {len(connected_concepts)}")
    print(f"Isolated concepts: {len(isolated_concepts)}")

    return connected_concepts, isolated_concepts

# Validate a set of cardiovascular concepts
cardiovascular_concepts = [201826, 4182210, 313217, 320128, 434557]
connected, isolated = validate_concept_connectivity(cardiovascular_concepts)

for concept in connected[:3]:  # Show top 3
    print(f"Concept {concept['concept_id']}: {concept['total_mappings']} mappings across {len(concept['vocabularies'])} vocabularies")