VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Saturday, September 27, 2025

Investors comparing marketstack and Tiingo will find that Both marketstack and Tiingo concentrate on Data APIs, Dividends, and Splits workflows, making them natural alternatives for similar investment research jobs. marketstack leans into ETF Holdings, Interest Rates, and Analyst Recommendations, which can be decisive for teams that need depth over breadth. Tiingo stands out with News that the competition lacks. Use the feature-by-feature table to inspect unique capabilities and confirm which roadmap best maps to your process.

Head-to-head

marketstack vs Tiingo

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

  • marketstack adds ETF Holdings, Interest Rates, Analyst Recommendations, and Analyst Price Targets coverage that Tiingo skips.
  • Tiingo includes News categories that marketstack omits.
  • marketstack highlights: RESTful JSON API with secure API key access, HTTPS transport, and a 5 requests/sec global limit., End-of-day data with 15+ years of history across 500,000+ tickers, including MIC-level filtering and adjusted fields (open, close, volume)., and Intraday data for U.S. markets via IEX, with intervals from 1–60 minutes. Real-time reference prices are derived from IEX feeds; some fields require separate entitlements..
  • Tiingo is known for: End-of-day (EOD) price API with proprietary error-checking and broad historical coverage., Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history., and Corporate actions API for dividends and splits, including both historical and announced events..
marketstack logo

marketstack

marketstack.com

A global market data API with free and paid tiers. End-of-day coverage spans 15+ years and 500k+ tickers, while intraday and real-time access are unlocked on higher plans. Rate limits apply: 5 requests per second globally, with some endpoints (like ETF holdings) counting as multiple calls. Premium tiers add features like SEC/EDGAR filings, analyst ratings, and bond/index data. Data is sourced from Tiingo for U.S. markets, and uptime is tracked on a public status page.

Platforms

Web
API

Pricing

Free
Subscription

Quick highlights

  • RESTful JSON API with secure API key access, HTTPS transport, and a 5 requests/sec global limit.
  • End-of-day data with 15+ years of history across 500,000+ tickers, including MIC-level filtering and adjusted fields (open, close, volume).
  • Intraday data for U.S. markets via IEX, with intervals from 1–60 minutes. Real-time reference prices are derived from IEX feeds; some fields require separate entitlements.
  • Professional and higher tiers include real-time stock prices with minute-level updates (1 API call per minute rate cap).
  • Corporate actions endpoints for dividends and stock splits.
Tiingo logo

Tiingo

tiingo.com

Flat-rate market data platform with simple, transparent plans. Tiingo provides end-of-day and real-time APIs for equities, mutual funds, ETFs, forex, and crypto, alongside corporate actions, fundamentals, and news. Plans range from a free Starter tier to affordable paid subscriptions, with usage limits and data history varying by plan. Enterprise or commercial use is supported via higher tiers.

Platforms

Web
API

Pricing

Free
Subscription

Quick highlights

  • End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
  • Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
  • Corporate actions API for dividends and splits, including both historical and announced events.
  • IEX real-time equity feed with tick-level data via REST and WebSocket.
  • Forex API with real-time and historical data for 140+ currency pairs.

Shared focus areas

Both platforms align on these research themes, so you can stay within one workflow when your use case involves them.

Where they differ

marketstack

Distinct strengths include:

  • RESTful JSON API with secure API key access, HTTPS transport, and a 5 requests/sec global limit.
  • End-of-day data with 15+ years of history across 500,000+ tickers, including MIC-level filtering and adjusted fields (open, close, volume).
  • Intraday data for U.S. markets via IEX, with intervals from 1–60 minutes. Real-time reference prices are derived from IEX feeds; some fields require separate entitlements.
  • Professional and higher tiers include real-time stock prices with minute-level updates (1 API call per minute rate cap).

Tiingo

Distinct strengths include:

  • End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
  • Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
  • Corporate actions API for dividends and splits, including both historical and announced events.
  • IEX real-time equity feed with tick-level data via REST and WebSocket.

Feature-by-feature breakdown

AttributemarketstackTiingo
Categories

Which research workflows each platform targets

Shared: Data APIs, Dividends, Splits, APIs & SDKs

Unique: ETF Holdings, Interest Rates, Analyst Recommendations, Analyst Price Targets

Shared: Data APIs, Dividends, Splits, APIs & SDKs

Unique: News

Asset types

Supported asset classes and universes

Stocks, ETFs, Bonds, Commodities

Stocks, ETFs, Mutual Funds, Cryptos, Currencies

Experience levels

Who each product is built for

Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web, API

Web, API

Pricing

High-level pricing models

Free, Subscription

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • RESTful JSON API with secure API key access, HTTPS transport, and a 5 requests/sec global limit.
  • End-of-day data with 15+ years of history across 500,000+ tickers, including MIC-level filtering and adjusted fields (open, close, volume).
  • Intraday data for U.S. markets via IEX, with intervals from 1–60 minutes. Real-time reference prices are derived from IEX feeds; some fields require separate entitlements.
  • Professional and higher tiers include real-time stock prices with minute-level updates (1 API call per minute rate cap).
  • Corporate actions endpoints for dividends and stock splits.
  • ETF holdings data (Basic+ plans and above) with identifiers like ISIN and CUSIP; each request consumes 20 API calls.

Unique

  • End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
  • Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
  • Corporate actions API for dividends and splits, including both historical and announced events.
  • IEX real-time equity feed with tick-level data via REST and WebSocket.
  • Forex API with real-time and historical data for 140+ currency pairs.
  • Crypto API aggregating data from multiple exchanges, with REST and WebSocket endpoints.
Tested

Verified by hands-on testing inside Find My Moat

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Editor pick

Featured inside curated shortlists

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Frequently Asked Questions

Which workflows do marketstack and Tiingo both support?

Both platforms cover Data APIs, Dividends, Splits, and APIs & SDKs workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do marketstack and Tiingo require subscriptions?

Both marketstack and Tiingo keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access marketstack and Tiingo?

Both marketstack and Tiingo prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

marketstack differentiates itself with RESTful JSON API with secure API key access, HTTPS transport, and a 5 requests/sec global limit., End-of-day data with 15+ years of history across 500,000+ tickers, including MIC-level filtering and adjusted fields (open, close, volume)., and Intraday data for U.S. markets via IEX, with intervals from 1–60 minutes. Real-time reference prices are derived from IEX feeds; some fields require separate entitlements., whereas Tiingo stands out for End-of-day (EOD) price API with proprietary error-checking and broad historical coverage., Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history., and Corporate actions API for dividends and splits, including both historical and announced events..

Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.