curl -X POST "https://api.omophub.com/v1/concepts/relationships/batch" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "queries": [
      {
        "query_id": "diabetes_rels",
        "concept_id": 201826,
        "operation": "relationships",
        "params": {
          "relationship_ids": ["Maps to", "Is a"]
        }
      },
      {
        "query_id": "diabetes_related",
        "concept_id": 201826,
        "operation": "related",
        "params": {
          "page_size": 1
        }
      },
      {
        "query_id": "diabetes_traverse",
        "concept_id": 201826,
        "operation": "traverse",
        "params": {
          "max_depth": 1,
          "relationship_types": ["Is a"]
        }
      }
    ]
  }'

import requests

def batch_relationship_query(queries, api_key):
    url = "https://api.omophub.com/v1/concepts/relationships/batch"
    headers = {
        "Authorization": f"Bearer {api_key}",
        "Content-Type": "application/json"
    }
    data = {"queries": queries}

    response = requests.post(url, json=data, headers=headers)
    return response.json()

# Example: Batch query for cardiovascular conditions
queries = [
    {
        "query_id": "diabetes",
        "concept_id": 201826,
        "operation": "relationships",
        "params": {
            "relationship_ids": ["Maps to", "Is a"]
        }
    },
    {
        "query_id": "hypertension",
        "concept_id": 4182210,
        "operation": "relationships",
        "params": {
            "relationship_ids": ["Maps to"],
            "vocabulary_ids": ["ICD10CM"]
        }
    },
    {
        "query_id": "afib",
        "concept_id": 313217,
        "operation": "related",
        "params": {}
    }
]

result = batch_relationship_query(queries, "YOUR_API_KEY")

for query_result in result['data']:
    if query_result['success']:
        print(f"{query_result['query_id']}: Success")
    else:
        print(f"{query_result['query_id']}: Error - {query_result['error']}")

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 BatchRelResult {
  query_id: string;
  concept_id: number;
  operation: 'relationships' | 'related' | 'traverse';
  success: boolean;
  data?: unknown[] | Record<string, unknown>;
  error?: string;
}

const { data } = await client.post<BatchRelResult[]>(
  '/concepts/relationships/batch',
  {
    queries: [
      /* see Python example */
    ],
  }
);

// Example usage
const queries = [
  {
    query_id: 'q1',
    concept_id: 201826,
    operation: 'relationships',
    params: {
      relationship_ids: ['Maps to', 'Is a'],
    },
  },
  {
    query_id: 'q2',
    concept_id: 4182210,
    operation: 'relationships',
    params: {
      relationship_ids: ['Maps to'],
      vocabulary_ids: ['ICD10CM'],
    },
  },
  {
    query_id: 'q3',
    concept_id: 313217,
    operation: 'related',
    params: {},
  },
];

const result = await batchRelationshipQuery(queries);

result.data.forEach(queryResult => {
  if (queryResult.success) {
    console.log(`${queryResult.query_id}: Success`);
  } else {
    console.error(`${queryResult.query_id} failed: ${queryResult.error}`);
  }
});