RESTful API

ShortQuest Data API

Programmatic access to global short-side intelligence. Holders, short interest, borrow rates, 13F filings, market indices — all via clean REST endpoints.

API Key Auth

Secure API key authentication. Keys managed in your dashboard.

JSON Responses

Clean, consistent JSON payloads. Paginated where applicable.

7 Datasets

Holders, SI, rates, volume, Reg SHO, 13F, market index.

Daily Updates

Data refreshed daily. Historical data available per subscription.

Data Endpoints

Base URL: https://api.shortquest.com

Short Holders

Global short position holder disclosures across 20+ markets

MethodEndpointDescriptionParameters
GET/v1/holdersAll holder disclosures with paginationcountry, holder, security, date, page, limit
GET/v1/holders/countriesAggregated holder data by countrydate
GET/v1/holders/{security}All holders for a specific securitydate
GET/v1/holders/holder/{name}All positions for a specific holdercountry, date

Short Interest

Reported short interest with change metrics and days to cover

MethodEndpointDescriptionParameters
GET/v1/short-interestShort interest data by securitycountry, sort, min_si_pct, min_dtc, page, limit
GET/v1/short-interest/{symbol}SI history for a specific symbolstart_date, end_date
GET/v1/short-interest/countriesSI aggregated by country

Borrow Rates

Securities lending fees, availability, and utilization

MethodEndpointDescriptionParameters
GET/v1/ratesBorrow rates by securitycountry, min_fee, max_fee, page, limit
GET/v1/rates/{symbol}Rate history for a specific symbolstart_date, end_date
GET/v1/rates/countriesRate summary by country

Short Volume

Daily short trade volume by exchange and security

MethodEndpointDescriptionParameters
GET/v1/short-volumeShort volume data by securitycountry, exchange, date, page, limit
GET/v1/short-volume/{symbol}Volume history for a specific symbolstart_date, end_date
GET/v1/short-volume/countriesVolume summary by country/exchange

Reg SHO Threshold

U.S. Regulation SHO threshold securities list

MethodEndpointDescriptionParameters
GET/v1/regshoCurrent threshold listexchange, date, page, limit
GET/v1/regsho/{symbol}Threshold history for a symbolstart_date, end_date

13F Institutional Holdings

SEC Form 13F quarterly institutional holdings data

MethodEndpointDescriptionParameters
GET/v1/13f/managersTop institutional managersquarter, page, limit
GET/v1/13f/manager/{cik}Holdings for a specific managerquarter
GET/v1/13f/security/{cusip}All institutional holders of a securityquarter
GET/v1/13f/most-heldMost widely held securitiesquarter, limit

Security Intelligence

Consolidated short-side intelligence for a single security — one call, full picture

MethodEndpointDescriptionParameters
GET/v1/intelligence/{symbol}Full intelligence report: SI, borrow rates, holders, 13F ownership, Reg SHO, short volumedate
GET/v1/intelligence/{symbol}/historyHistorical intelligence time seriesstart_date, end_date, fields

Market Short Index

Proprietary aggregate short index with benchmark comparison per market

MethodEndpointDescriptionParameters
GET/v1/index/seriesTime series for a market (rebased SI index + benchmark)market
GET/v1/index/marketsAvailable markets with data coverage

Quick Start

1. Get your API key

Sign up for a Professional or higher plan. Generate an API key in your dashboard under Settings.

2. Authenticate requests

Include your API key in the X-API-Key header, or use Bearer token authentication.

# Fetch short interest data
curl https://api.shortquest.com/v1/short-interest \
-H "X-API-Key: sk_live_your_key"
# Filter by country and minimum SI %
curl "https://api.shortquest.com/v1/short-interest\
?country=US&min_si_pct=10&limit=50" \
-H "X-API-Key: sk_live_your_key"
# Response
{
"data": [{ "symbol": "GME", "si_pct_float": 22.4, ... }],
"meta": { "total": 1283, "page": 1, "limit": 50 }
}

API Access by Plan

Basic
Portal only
Professional
1,000 calls/day
Institutional
50,000 calls/day
Enterprise
Unlimited + bulk

Bulk data downloads and custom feeds available on Enterprise plans.

Ready to integrate?

Start with a free trial or contact us for Enterprise access.