Don’t settle for a wrapper around raw data

The Elgon API delivers enriched market data (delayed quotes) across stocks, ETFs, options, crypto, and prediction markets — every US-listed name, full options chains, and major venues, through one low-latency API.

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Read the API DOCS
Read the API DOCS
Built for modern trading & fintech apps

Why is enriched data important?

Raw market data can be complicated and labor-intensive to manage—running your own pipeline requires maintaining feed handlers, servers, and mountains of code.

The Elgon API is enriched with valuable endpoints and meticulously structured to make data easy to work with, saving industry-leading teams time, money, and effort.

Expansive Endpoints

USD Pricing

Get the last delayed quote for any stock or crypto symbol.

Charts

Everything required to quickly populate accurate and comprehensive pricing charts for stocks, options, crypto, and prediction markets.

Quotes

The last delayed price for any stock, ETF, or crypto symbol, with bid, ask, and previous close.

Ownership

Detailed ownership and institutional holdings data in a format that's easy to access and consistently reliable.

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Read the API DOCS
Read the API DOCS

try it out

Select your data type to see Elgon’s API code below.

One simple REST API

Queries

Delayed quotes, returned in milliseconds.

Signed receipts

Every response is signed — verify it with the /verify endpoint.

Sandbox-labelled

Options & predictions are clearly marked sandbox data.

filter and search

Complete Results

Find any instrument in under 500ms.

Automatic Indexing

New listings available immediately after they go live.

Powerful Filters

Sort by volume, spread, number of trades, and more.

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Read the API DOCS
Read the API DOCS

Elgon vs the competition

When it comes to market data, Elgon stands out with unmatched reliability, accuracy, and completeness.

Elgon
Polygon.io
Alpha Vantage
Finnhub
Data Availability
How long it takes for market data to be available in the API.
1 second
5 seconds
10 seconds
3 seconds
Requests Per Second
How many times your app can query data per second.
600/min (Growth)
50-150
8-15
300
Verifiable Accuracy
Visit Yahoo Finance to verify our data.
USD Pricing
We translate raw market data into USD pricing.
Charting Endpoint
Get charts for instrument prices and market activity.
Aggregates
Data aggregated over various timeframes, such as volume or trades over the last 4 hours.
Search with Filters
Search and filter across every listed instrument.
Account Data
Positions and portfolio context across accounts.
Ownership Data
Institutional ownership (13F) and token-holder lists.
New Listings
We support Queries for new listings and IPOs across major venues.

Simple, scalable pricing

Pricing to fit builders and teams of all sizes.

Free plan

For personal & hobby projects

$0

instant self-serve key

  • 60 requests/min
  • Real delayed quotes & instruments
  • Simulated options & predictions (sandbox)
  • 1 API key
  • Community support
growth plan

For teams & startups

$350

billed monthly

  • 600 requests/min
  • Real delayed quotes & instruments
  • Options & predictions endpoints (sandbox)
  • Signed response receipts
  • 5 API keys
  • Priority support
enterprise plan

Tailored solutions for large companies

Custom

custom rate limits

  • Custom rate limits
  • Custom requests/min
  • Unlimited API keys
  • Dedicated support
  • Signed response receipts
  • Custom SLAs
  • Custom packaging

Run an exchange, venue, or trading platform and want it covered? Contact us.

Elgon powers industry-leaders

Learn more about how Elgon saves industry-leaders time, money, and development resources.

Teams on the Robinhood product surface need fast market, account, and quote data without maintaining their own feeds.

"Elgon gives builders a clean data layer for discovery, charts, ownership activity, and market context across high-throughput trading apps."

Robinhood ecosystem use case

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Discovery apps need reliable asset discovery, instrument metadata, and trading signals the moment markets move.

"Elgon keeps discovery experiences responsive with instrument context and market data built for fast-moving communities."

New-listing data use case

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Trading apps need fresh market data, account context, and quote analytics for active users.

"Elgon gives trading interfaces a unified source for prices, market context, and historical data without a custom indexing stack."

Trading data use case

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