Overview
SEC EDGAR Data API provides free access to financial filings, annual reports (10-K), quarterly reports (10-Q), and ownership data for all publicly traded US companies. No API key is required — just use your email address as the User-Agent header to comply with SEC fair-access rules. It is a powerful resource for financial research, stock analysis, and building data-driven investment tools.
Beginner Tip
Always set a descriptive User-Agent header including your email address (e.g., "MyApp/1.0 [email protected]") — the SEC requires this for API access and will block requests that omit it.
Measurement Record
What actually happened when we called this API from our own infrastructure. Every value below was recorded by the request, not copied from the provider's documentation.
- Request
- GET https://data.sec.gov/submissions/CIK0000320193.json
- Result
- HTTP 200 · application/json · 164,379 bytes · compressed
- Response time
- 45 ms (median of 3) · fastest 41 ms
- Transport
- TLSv1.3 · TLS_AES_256_GCM_SHA384 · certificate issued by DigiCert Inc
- Browser CORS
- Allowed — Access-Control-Allow-Origin: *
- Recorded
- 2026-08-10
Fields Returned
Top-level fields present in the response we captured, with the type and value we actually received.
| Field | Type | Value received |
|---|---|---|
| cik | string | 0000320193 |
| entityType | string | operating |
| sic | string | 3571 |
| sicDescription | string | Electronic Computers |
| ownerOrg | string | 06 Technology |
| insiderTransactionForOwnerExists | integer | 0 |
| insiderTransactionForIssuerExists | integer | 1 |
| name | string | Apple Inc. |
| tickers | array | [1 item] |
| exchanges | array | [1 item] |
| ein | string | 942404110 |
| lei | null | null |
| description | string | |
| website | string |
Captured Response
Captured from a real request to https://data.sec.gov/submissions/CIK0000320193.json on 2026-08-10. Long arrays and nested objects are truncated to keep the shape readable.
{
"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": "",
"…": "(10 more fields)"
} Field Reference
cik The company Central Index Key, a unique identifier assigned by the SEC. name Official registered name of the company. tickers Stock ticker symbols associated with this company. exchanges Stock exchanges where the company is listed. sic Standard Industrial Classification code describing the industry. Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "https://data.sec.gov/submissions/CIK0000320193.json";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
How This API Fails
We deliberately sent this API a broken request and recorded exactly what came back on 2026-08-10. Knowing the shape of an error before you hit it makes error handling much easier to write.
<?xml version="1.0" encoding="UTF-8"?> <Error><Code>NoSuchKey</Code><Message>The specified key does not exist.</Message><Key>submissions/CIK0000320193.json/apisscore-nonexistent-path</Key><RequestId>SS8XVTCNKZJRY4J6</RequestId><HostId>z4WAoaNRD7zGO+eCPWIz4/MmM32XyXbUL1Dg6c2Oj+IClZlpu4XrttFdjzIEJ0eJ8
Common Errors & Troubleshooting
Generated guidance based on this API's documentation, not observed by us. Treat it as a starting point and check against the provider's own error reference.
Measured Score Breakdown
Live HTTP request to the API endpoint
Fully tested on Aug 10, 2026
Technical Specifications
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