How we compare

3spread is a fundamental data provider: we standardize SEC filings into comparable schemas, link amendments to what they amend, and preserve restatements so a backtest sees what was known at the time.

	3spread	sec-api.io	FMP	Massive	Finnhub	Daloopa
Free tier	10,000 calls/day 600 calls/min	100 calls, once	250 calls/day	5 calls/min	60 calls/min	3 data sheets
Entry price	Free	$49/mo	$19/mo	$29/mo	Per dataset	Contact sales
Standardized across filers			Derived, closed	Derived, closed	Derived, closed
Full amendment and restatement management
Point-in-time factor library
Quality score on every row

Competitor facts come from their own public pricing pages, checked on the dates shown in each comparison. A check is yes, a red cross is a verified no, and a dash is something we have not assessed. The full picture, including what each of them does better than us, is in the pages below.

3spread vs sec-api.io

They give you the filing as filed, raw and unprocessed. 3spread gives you institutional-grade fundamental data: standardized and comparable schemas across every filer, amendments linked, restatements preserved, every row scored. The gap between those two is about six months of your engineering time, and it is the difference between a backtest that holds up and one that does not.

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3spread vs Financial Modeling Prep

FMP hands you a derived view of the fundamentals and asks you to trust it. 3spread standardizes from the primary source, preserves restatements, links amendments, scores every row, and shows you the filing behind the number, with highly permissive free access.

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3spread vs Massive (formerly Polygon.io)

Massive sells market data with financials bolted on for $29 a month. 3spread is the inverse: fundamental data is our specialty, standardized from the primary source, amendment and restatement aware, with highly permissive free access, and commercial licensing when you grow into it.

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3spread vs Finnhub

Finnhub gives you a taste of everything. 3spread gives you fundamental data in full depth: every statement standardized and quality-scored, every filing family parsed to its detail, amendments and restatements handled. A highly permissive free tier, and competitive licensing for businesses.

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3spread vs Daloopa

3spread maintains standardized financials and factors on public entities, and the entire filing universe around them: the insiders, the 13Fs, the 13D stakes, the fund portfolios. All of it point-in-time, amendment-aware, and available through one API, with highly permissive free access and competitive commercial licensing. Daloopa is a strong tool priced like the institutional product it is; 3spread covers more ground for a fraction of the cost.

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See the datasets

Eleven filing families, and what is in each.

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10,000 requests per day, every dataset, no credit card.

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Commercial licensing, redistribution, custom delivery.

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