Code Snippets
curl "https://financialdata.net/api/v1/market-cap?identifier=AXP&key=API_KEY"import requests
url = 'https://financialdata.net/api/v1/market-cap?identifier=AXP&key=API_KEY'
response = requests.get(url)
print(response.json())
const url = 'https://financialdata.net/api/v1/market-cap?identifier=AXP&key=API_KEY';
const response = await fetch(url);
const data = await response.json();
console.log(data);
Sample Response
[
{
"trading_symbol": "AXP",
"central_index_key": "0000004962",
"registrant_name": "AMERICAN EXPRESS CO",
"fiscal_year": "2025",
"market_cap": 221800000000.0,
"change_in_market_cap": 57100000000.0,
"percentage_change_in_market_cap": 34.669095324833,
"shares_outstanding": 686614005,
"change_in_shares_outstanding": -15918106,
"percentage_change_in_shares_outstanding": -2.2658189925784
},
...
]Query Parameters
| Name | Type | Description |
|---|---|---|
| identifier | string | The trading symbol for a security, or the central index key (CIK). The latter is assigned to the entity by the United States Securities and Exchange Commission. (e.g., MSFT, 0000789019) |
| format | string | (Optional) The format of the returned data, either JSON or CSV. Defaults to JSON. (e.g., json, csv) |
Endpoint Overview
Market capitalization, or market cap, is the total value of a company's outstanding common shares held by investors. Market cap is calculated by multiplying the market price per common share by the total number of common shares outstanding. Our API provides historical market cap data for a few thousand companies.
Company Profile
AMERICAN EXPRESS CO
NYSE: AXP- Market Cap:$221.80B
- ISIN:US0258161092
- Fiscal Year End:12/31
- CEO:Stephen Squeri
- Employees:76800
American Express Company (Amex) is an American bank holding company and multinational financial services corporation that specializes in payment cards. It is headquartered at 200 Vesey Street, also known as American Express Tower, in the Battery Park City neighborhood of Lower Manhattan; in 2026, the company announced that it would develop and be the sole occupant of the new 2 World Trade Center skyscraper in the nearby World Trade Center complex.