Intrinio VS Marketstack

Head-to-head market data API comparison.
UPDATED 2026-05-27 · 7 axes scored

WINNER · INTRINIO · 3/7 AXES

Quick Decision

▶ PICK INTRINIO IF DATA-API

Funded startups
Fintech apps needing SIP data
Multi-language SDK requirements
Institutional buyers

▶ PICK MARKETSTACK IF DATA-API

Web app developers
Simple stock charts
Basic portfolio apps
Budget-conscious indie devs

Side-by-Side Matrix

METRIC	INTRINIO	MARKETSTACK
API Quality	4/5	3/5
Doc Quality	4/5	4/5
Data Latency	tick	minute
SDK Languages	6 languages	1 languages
Free Tier	Yes	Yes
Affiliate Program	No	Yes
Asset Coverage Breadth	7 classes	6 classes
Asset Coverage	███████░ US Equities · US Options · Global Indices · Mutual Funds · ETFs · Fundamentals · News	██████░░ US Equities · Global Equities · ETFs · Global Indices · Bonds · Commodities
Historical Depth	Varies by product: EOD Stock Prices 50+ yrs, Fundamentals 15+ yrs, Estimates 20+ yrs, News up to 10 yrs	30+ years (annual EOD); intraday on Professional+
Starting Price	$0	$0/mo
Rate Limits	Per-product (institutional SLA — contact sales)	Free: 100/mo; Basic: 10k/mo; Pro: 100k/mo; Business: 500k/mo

Asset Class Coverage

Where the two providers overlap and where each has unique coverage.

ASSET CLASS	INTRINIO	MARKETSTACK
Bonds	—	✓ Covered
Commodities	—	✓ Covered
ETFs	✓ Covered	✓ Covered
Fundamentals	✓ Covered	—
Global Equities	—	✓ Covered
Global Indices	✓ Covered	✓ Covered
Mutual Funds	✓ Covered	—
News	✓ Covered	—
US Equities	✓ Covered	✓ Covered
US Options	✓ Covered	—
TOTAL CLASSES	7	6

Only Intrinio

US Options · Mutual Funds · Fundamentals · News

Only Marketstack

Global Equities · Bonds · Commodities

Shared · 3

US Equities · Global Indices · ETFs

Pricing Tier Map

Full tier ladder side-by-side · names and prices as published by each provider · 6 vs 5 tiers.

INTRINIO · 6 TIERS FREE TIER

01

Free Trial $0

Time-limited trial on most products

02

EOD Stock Prices $3,100/year

50+ years of dividend & split-adjusted OHLC, 100% US exchanges

03

EquitiesEdge $1,250/mo

Real-time + historical equities bundle

04

OptionsEdge $1,250/mo

Options chains + Greeks

05

US Fundamentals $9,600/year

Standardized fundamentals data

06

Nasdaq Basic $9,000/year

Nasdaq Basic real-time

▲ Free Tier · Free trials available on most products; no permanent free tier

MARKETSTACK · 5 TIERS FREE TIER

01

Free $0/mo

100 req/mo, EOD only, 1-year history

02

Basic $9.99/mo

10,000 req/mo, intraday access, all asset types

03

Professional $49.99/mo

100,000 req/mo, real-time updates (sub-15min), commodities

04

Business $149.99/mo

500,000 req/mo, priority support

05

Enterprise Custom

Higher limits + SLA

▲ Free Tier · 100 requests/mo, EOD only, 1-year history

Technical Stack Fit

SDK languages and data formats determine integration cost for your existing codebase.

DIMENSION	INTRINIO	MARKETSTACK
API Types	REST · WebSocket · SDK	REST
SDK Languages	Python · Ruby · JavaScript · Java · C# · PHP	REST-only (community Python wrappers exist)
Data Formats	JSON · CSV · Parquet	JSON
Rate Limits	Per-product (institutional SLA — contact sales)	Free: 100/mo; Basic: 10k/mo; Pro: 100k/mo; Business: 500k/mo
Latency Class	tick	minute