curl --request GET \
  --url https://api.entendre.finance/v1/reports/realized-gains \
  --header 'X-API-Key: <api-key>'

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api.entendre.finance/v1/reports/realized-gains', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.entendre.finance/v1/reports/realized-gains"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "data": [
    {
      "id": "ast_507f1f77bcf86cd799439011",
      "asset_type": "ETH",
      "asset_record": "ETH-1",
      "date_received": "2026-08-01T00:00:00Z",
      "quantity": "100.00",
      "remaining_quantity": "0.00",
      "cost_basis": "100.00",
      "currency": "USD",
      "disposals": [
        {
          "sale_date": "2026-08-31T12:00:00Z",
          "quantity_sold": "100.00",
          "sale_price": "110.00"
        }
      ],
      "quantity_sold": "100",
      "proceeds": "11000",
      "long_term_quantity_sold": "0",
      "long_term_proceeds": "0",
      "short_term_quantity_sold": "100",
      "short_term_proceeds": "11000"
    }
  ],
  "has_more": false,
  "next_cursor": null,
  "summary": {
    "methodology": "per_unit_cost_basis_approximation",
    "by_currency": [
      {
        "currency": "USD",
        "total_proceeds": "11000.00",
        "total_cost_basis": "10000.00",
        "total_gain": "1000.00",
        "short_term_gain": "1000.00",
        "long_term_gain": "0.00",
        "disposal_count": 1,
        "sold_asset_count": 1
      }
    ],
    "currency": "USD",
    "total_proceeds": "11000.00",
    "total_cost_basis": "10000.00",
    "total_gain": "1000.00",
    "short_term_gain": "1000.00",
    "long_term_gain": "0.00",
    "disposal_count": 1,
    "sold_asset_count": 1
  }
}

{
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid path, query or request body.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Invalid or expired API Key",
    "request_id": "req_example",
    "suggested_action": "Send an API key in X-API-Key, or an OAuth access token as Authorization: Bearer. Refresh an expired access token.",
    "documentation_url": "https://entendre.ai/docs/get-started/authentication"
  }
}

{
  "error": {
    "code": "FORBIDDEN",
    "message": "Insufficient access to organization",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "RESOURCE_NOT_FOUND",
    "message": "Resource not found",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "RATE_LIMITED",
    "message": "Rate limit exceeded. Retry after 30s.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "INTERNAL_ERROR",
    "message": "Internal server error",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "SERVICE_UNAVAILABLE",
    "message": "Service unavailable.",
    "request_id": "req_example"
  }
}