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Databento vs Massive (Polygon)

Side-by-side facts with sources, last checked 2026-10-16.

Databento is usage-based and gives new customers $125 in credits for historical data. Massive has a free end-of-day tier, a $29/mo Starter plan with 15-minute-delayed data that includes the full-market snapshot, and real-time data on the Advanced plan.

FieldDatabentoMassive (Polygon) API
CategoryMarket data APIsMarket data APIs
AssetsUS equities, US futures, US options, crypto, FXstocks, options, indices, forex
Live vs paperdata onlydata only
Order approval / safetyn/an/a
Pricing / free tierusage-based; $125 new-customer credits for historical data (not live), per Databento user agreementfree tier: end-of-day data, 5 req/min, no card; Stocks Starter $29/mo (15-min delayed, includes full-market snapshot); Developer $79/mo; real-time only on Advanced
Rate limitsno hard limits on historicalunknown
Official / communityofficialofficial
Last checked2026-10-162026-10-16
Sourcedatabento.commassive.com

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