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Head-to-head · Apis Data Services

Massive (formerly Polygon.io) vs Intrinio

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Massive (formerly Polygon.io) #1 in Apis Data Services 8.8/10 Free plan Free plan✓ 2 of 3 features Visit Massive
Intrinio #6 in Apis Data Services 8.1/10 Paid ✓ 2 of 3 features Visit Intrinio

Massive (formerly Polygon.io) leads on 2 checks, Intrinio on 0, and 2 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMassive (formerly Polygon.io) · 8.8/10
  • Lowest starting priceMassive (formerly Polygon.io) · $29/mo
  • Free planonly Massive (formerly Polygon.io)

Massive (formerly Polygon.io) scores higher on our rubric for apis data services: 8.8 against 8.1 out of 10; our editors rank them #1 and #6.

Massive (formerly Polygon.io) offers free plan; Intrinio doesn't. Massive (formerly Polygon.io) is cheaper to start at $29/mo against $150/mo.

Massive (formerly Polygon.io) is the better fit for developers needing broad financial market data. Intrinio is the better fit for teams needing SDK-rich equity and options data.

  • Massive (formerly Polygon.io) fits best

    Developers needing broad financial market data

  • Intrinio fits best

    Teams needing SDK-rich equity and options data

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Massive (formerly Polygon.io) 8.8/10 Visit ↗ Intrinio 8.1/10 Visit ↗
At a glance
Editor score 8.8 8.1
Ranking #1 in Apis Data Services #6 in Apis Data Services
Best for Developers needing broad financial market data Teams needing SDK-rich equity and options data
Pricing model Free plan + paid Paid
Starting price $29/mo (best) $150/mo
Free plan ✓ (best) —
Free trial — —
Deployment Cloud Cloud
Support Email, Docs Live chat, Tickets, Phone, Docs
Integrations 7 integrations 2 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Massive (formerly Polygon.io) 2/3 · Intrinio 2/3
Historical data ✓ ✓
Webhooks Not checked yet Not checked yet
Official SDKs ✓ ✓
Specs
Monthly request limit Not checked yet Not checked yet
Rate limit Not checked yet 300 requests/min
API style Rest Rest
Data coverage Global Global
Our review
Pros
  • Covers stocks, options, futures, indices, forex, crypto, and economics
  • Offers REST, WebSocket streaming, and historical flat-file downloads
  • Stocks Basic is free; paid Stocks plans start at $29 per month
  • Historical, real-time, and delayed equity and options data
  • Official SDKs for Python, JavaScript, Java, C#, Ruby, and R
  • WebSocket feeds plus CSV, Snowflake, and S3 delivery for selected feeds
Cons
  • Stocks Basic is limited to 5 API calls per minute
  • Stocks Starter and Developer provide 15-minute delayed data
  • Plan prices shown apply to individual Stocks plans, not business plans
  • Individual plan is personal use only with one seat
  • Individual plan prohibits redistribution and display
  • Commercial use starts at $333 per month, billed quarterly
Our verdict

Massive (formerly Polygon.io) provides financial market data for developers building trading applications, analytics tools, and other financial products. Its coverage spans stocks, options, futures, indices, forex, crypto, and economics,…

Read the review →

Intrinio provides financial market data through REST APIs and data feeds, with WebSocket access for supported market-data feeds. Its coverage includes equities, options, company fundamentals, ETFs, indices, and analyst estimates, with…

Read the review →
  1. Massive (formerly Polygon.io)Apis Data Services 8.8Free plan
  2. IntrinioApis Data Services 8.1Paid

Strengths and trade-offs

  • Massive (formerly Polygon.io) — where it wins

    • Covers stocks, options, futures, indices, forex, crypto, and economics
    • Offers REST, WebSocket streaming, and historical flat-file downloads
    • Stocks Basic is free; paid Stocks plans start at $29 per month

    Where it doesn't

    • Stocks Basic is limited to 5 API calls per minute
    • Stocks Starter and Developer provide 15-minute delayed data
    • Plan prices shown apply to individual Stocks plans, not business plans

  • Intrinio — where it wins

    • Historical, real-time, and delayed equity and options data
    • Official SDKs for Python, JavaScript, Java, C#, Ruby, and R
    • WebSocket feeds plus CSV, Snowflake, and S3 delivery for selected feeds

    Where it doesn't

    • Individual plan is personal use only with one seat
    • Individual plan prohibits redistribution and display
    • Commercial use starts at $333 per month, billed quarterly
  • Massive (formerly Polygon.io)8.8/10 · Free plan

    Broad market data with REST, streaming, and bulk downloads for developer-built finance products.

    Visit MassiveFull verdict →
  • Intrinio8.1/10 · Paid

    Equity and options data with multiple API access paths, starting at $150 per month.

    Visit IntrinioFull verdict →

More comparisons

All apis data services comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update