DATA ORGANIZATION, ACCESS OPTIONS AND AUTHENTICATION

Nasdaq Data Link’s data products come in various formats delivered through different API access options. It is important to understand the differences in product formats and which API to use for each product. The left-hand menu lists the different APIs which includes information on how to authenticate for each API delivery option:
- Streaming API for real-time data
- REST API for real-time or delayed data
- REST API for time-series data
- REST API for tables data
NOTE:
Each dataset product page on Nasdaq Data Link has a panel on the right showing basic information about that data product, including which API to use for that product. See examples below.
Example 1:
Product page for End of Day US Stock Prices indicates Tables API

Example 2:
Product page for New York Stock Exchange Prices indicates Time-Series API

For a full list of our product offerings, click here.
Below is a small sampling of Nasdaq Data Link's data products:
Equity Prices
Data Product Name | Data Product Code | API | Free/Premium |
---|---|---|---|
QuoteMedia End of Day US Prices | EOD | Tables | Premium |
London Stock Exchange | XLON | Time-series | Premium |
Chinese Stock Prices | DY4 | Tables | Premium |
Equity Fundamentals
Data Product Name | Data Product Code | API | Free/Premium |
---|---|---|---|
Sharadar Core Fundamentals | SF1 | Tables | Premium |
Zacks Fundamentals B | ZFB | Tables | Premium |
Mergent Global Fundamentals | MF1 | Tables | Premium |
Equity Earnings, Estimates, Analyst Ratings
Data Product Name | Data Product Code | API | Free/Premium |
---|---|---|---|
Zacks Earnings Announcements | ZEA | Tables | Premium |
Zacks Earnings Estimates | ZEE | Tables | Premium |
Zacks Analyst Ratings and Target Prices | ZAR | Tables | Premium |
Futures
Data Product Name | Data Product Code | API | Free/Premium |
---|---|---|---|
OptionWorks Futures Options | OWF | Time-series | Premium |
CFTC Commitment of Traders Data | CFTC | Time-series | Free |
Options
Data Product Name | Data Product Code | API | Free/Premium |
---|---|---|---|
OptionWorks ICE Options Settlement Prices | OWIS | Tables | Premium |
US Equity Historical & Option Implied Volatility | VOL | Time-series | Premium |
ORATS Option Volatility Surfaces | OPT | Time-series | Premium |
Economics, FX and Rates
Data Product Name | Data Product Code | API | Free/Premium |
---|---|---|---|
Trading Economics Global Macro Data | SGE | Time-series | Premium |
CLS FX Volumes (Hourly) | CLSH | Tables | Premium |
Foreign Exchange Rates | CUR | Time-series | Premium |
Global Yield Curves | YC | Time-series | Premium |
Federal Reserve Economic Data | FRED | Time-series | Free |
REMINDER:
Not all data products support every API route. Read each data product's description or documentation page to find out what type of data it holds and which API routes are valid.
Updated 12 months ago