SEC EDGAR's APIs at https://data.sec.gov serve every public company's filing history and XBRL financial data by CIK number. 320193 is Apple.
None, but the SEC requires a User-Agent naming you and a contact email, and allows at most 10 requests a second.
Full reference: https://www.sec.gov/search-filings/edgar-application-programming-interfaces
XBRL facts for one concept, by filing.
curl https://data.sec.gov/api/xbrl/companyconcept/CIK0000320193/us-gaap/AccountsPayableCurrent.json{
"cik": 320193,
"taxonomy": "us-gaap",
"tag": "AccountsPayableCurrent",
"label": "Accounts Payable, Current",
"entityName": "Apple Inc.",
"units": {
"USD": [
{
"end": "2008-09-27",
"val": 5520000000,
"accn": "0001193125-09-214859",
"fy": 2009,
"fp": "FY",
"form": "10-K",
"filed": "2009-10-27"
},
{
"end": "2008-09-27",
"val": 5520000000,
"accn": "0001193125-10-012091",
"fy": 2009,
"fp": "FY",
"form": "10-K/A",
"filed": "2010-01-25",
"frame": "CY2008Q3I"
}
]
}
}Company info plus recent filings.
curl https://data.sec.gov/submissions/CIK0000320193.json{
"cik": "0000320193",
"entityType": "operating",
"sic": "3571",
"sicDescription": "Electronic Computers",
"ownerOrg": "06 Technology",
"insiderTransactionForOwnerExists": 0,
"insiderTransactionForIssuerExists": 1,
"name": "Apple Inc.",
"tickers": [
"AAPL"
],
"exchanges": [
"Nasdaq"
],
"ein": "942404110",
"lei": null,
"description": "",
"website": "",
"investorWebsite": ""
}