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>>manually approved · 474 tools indexed·since 2026
index / Public API vs TagniFi

>_ Public API vs TagniFi

Public API and TagniFi, side-by-side. Compare the facts below, then pick the one that fits your workflow.

Public API
TagniFi
one-liner
Provides programmatic trading access to stocks, ETFs, options, crypto, and bonds with real-time execution, rebates on options contracts, and no commissions.
Provides standardized financial statement data and footnotes across multiple industry templates via API and Excel add-in
best for
developers, algorithmic traders, and quantitative analysts automating trading strategies or building custom tools that require low-latency access and high customization.
users needing structured sec data mapped to industry-specific accounting frameworks
key feature
earns rebates up to $0.10 per stock & ETF options contract traded via API
industry-specific data templates (banking, insurance, C&I) with footnote detail
who uses it
Retail
RIA, Hedge Fund, Mutual Fund, Family Office
asset class
Multi-asset
Equities
function
Trading Infrastructure, Data & APIs
Data & APIs
strategies
Options Trading, Quant / Systematic
Fundamental Analysis, Value Investing, Quant / Systematic
workflow
Execution
Research, Valuation
instruments
Stocks, ETFs, Options, Bonds
Stocks, Mutual Funds
regions
North America
North America
pricing
FREE
$$$-CALL
plans
API Access $0
—
free tier
yes
no
model
free
enterprise
via
api, GPT
web, api, extension
audience
retail
pro · other
upvotes
0
0

Public API vs TagniFi: key differences

  • Public API has a free tier; TagniFi is $$$-CALL.
  • Public API covers Multi-asset; TagniFi covers Equities.
  • Public API also covers execution in the workflow.
  • TagniFi also covers research, valuation in the workflow.
  • Public API lists Retail users; TagniFi does not.
  • TagniFi lists RIA, Hedge Fund, Mutual Fund, Family Office users; Public API does not.
  • Public API is tagged for options trading.
  • TagniFi is tagged for fundamental analysis, value investing.

about Public API

trading api offering programmatic access to stocks, etfs, options (including multi-leg), bonds, and crypto with real-time execution, no commissions, and rebates up to $0.10 per stock & etf options contract. provides read access (balances, positions, order history) and write access (place trades, set custom order parameters, access historical market data). available to all public members instantly via account settings—no approval required.

about TagniFi

delivers standardized financial statement data and footnotes via api and excel add-in, organizing filings by industry template (banking, insurance, commercial & industrial). covers fundamentals, footnotes, plus supplemental datasets like m&a deals, estimates, mutual funds, and eod market data.

Public API
Provides programmatic trading access to stocks, ETFs, options, crypto, and bonds with real-time execution, rebates on options contracts, and no commissions.
[↗] visit public.com
TagniFi
Provides standardized financial statement data and footnotes across multiple industry templates via API and Excel add-in
[↗] visit tagnifi.com

See full data, pricing and alternatives on the Public API profile page, or the TagniFi profile page.

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