Head-to-head · Apis Data Services
Massive (formerly Polygon.io) vs Profit.com Data API
Massive (formerly Polygon.io) leads on 0 checks, Profit.com Data API on 1, and 3 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 priceProfit.com Data API · $16/mo
- Free planboth
- Most featuresMassive (formerly Polygon.io) · 2 of 3
Massive (formerly Polygon.io) scores higher on our rubric for apis data services: 8.8 against 8.2 out of 10; our editors rank them #1 and #5.
Profit.com Data API is cheaper to start at $16/mo against $29/mo.
Massive (formerly Polygon.io) is the better fit for developers needing broad financial market data. Profit.com Data API is the better fit for budget-conscious users of market and fundamentals APIs.
- Massive (formerly Polygon.io) fits best
Developers needing broad financial market data
- Profit.com Data API fits best
Budget-conscious users of market and fundamentals APIs
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Side by side
| Feature | Massive (formerly Polygon.io) 8.8/10 Visit ↗ | Profit.com Data API 8.2/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.8 | 8.2 |
| Ranking | #1 in Apis Data Services | #5 in Apis Data Services |
| Best for | Developers needing broad financial market data | Budget-conscious users of market and fundamentals APIs |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | $29/mo | $16/mo (best) |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud | Cloud |
| Support | Email, Docs | Email, Tickets |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business |
| Features Massive (formerly Polygon.io) 2/3 · Profit.com Data API 1/3 | ||
| Historical data | ✓ | ✓ |
| Webhooks | Not checked yet | Not checked yet |
| Official SDKs | ✓ (best) | Not checked yet |
| Specs | ||
| Monthly request limit | Not checked yet | Not checked yet |
| Rate limit | Not checked yet | Not checked yet |
| API style | Rest | Rest |
| Data coverage | Global | Global |
| Our review | ||
| Pros |
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| Cons |
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| 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 → |
Profit.com Data API provides financial data for stocks, forex, cryptocurrencies, ETFs, indexes, funds, commodities and bonds. Its REST endpoints cover reference data, quotes, historical prices, fundamentals and filings; the documentation… Read the review → |
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
Profit.com Data API — where it wins
- Covers historical daily and intraday OHLCV data, quotes and reference data
- Includes statements, SEC filings, recommendations and economic-calendar data
- Free plan plus Pro from $16 per month, with WebSocket crypto-price streaming
Where it doesn't
- Published plans specify personal use, limiting fit for commercial workloads
- Vendor cautions data may not be real-time or match market prices
- Plan-specific request quotas and rate limits are not clear in the pricing comparison
- 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 → - Profit.com Data API8.2/10 · Free plan
A broad financial data API with free access and paid personal-use plans from $16 monthly.
Visit Profit.comFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update