VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Monday, March 30, 2026
Tool Comparison
OTC Markets vs SEC API (sec-api.io) comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
OTC Markets
otcmarkets.com
SEC API (sec-api.io)
sec-api.io
At a glance
Tool
OTC Markets
—
Starting price
Plans & pricing
Tool
SEC API (sec-api.io)
$55/mo
Starting price
Plans & pricing
Vote sentiment comparison
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Platform details
| Attribute | OTC Markets | SEC API (sec-api.io) |
|---|---|---|
Asset types | StocksBonds | StocksETFsMutual FundsFunds |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Data freshness | Streaming15-min DelayedEnd of Day | Real-time |
API access | REST | RESTWebSocket |
Export formats | Not specified | JSONPDF |
Coverage overlap
Categories covered by OTC Markets only.
Categories covered by SEC API (sec-api.io) only.
Frequently Asked Questions
What's the difference between OTC Markets and SEC API (sec-api.io)?
OTC Markets focuses on Screeners, News, and Data APIs while SEC API (sec-api.io) specializes in Data APIs, Regulatory Filings Monitoring, and Insider Data. They overlap in 1 categories, so choose based on your preferred workflow and pricing.
How much do OTC Markets and SEC API (sec-api.io) cost?
Good news—both OTC Markets and SEC API (sec-api.io) offer free plans. You can try each platform without commitment and only pay when you need premium features.
Do OTC Markets and SEC API (sec-api.io) have APIs?
Yes, both platforms offer API access for developers and quants who want to build custom integrations or automate their workflows.
Should I choose OTC Markets or SEC API (sec-api.io)?
Choose OTC Markets if you need Public website for OTCQX, OTCQB, OTCID and Pink Limited markets with stock & bond quotes, trade prices, charts, financials and company news., and Stock Screener (web UI) for OTC securities (page titled “OTC Markets Stock Screener”).. Go with SEC API (sec-api.io) if Comprehensive API endpoints: query, full-text search, real-time streaming via WebSocket, download/PDF generator, XBRL-to-JSON conversion, and section extractors for 10-K/10-Q/8-K filings., and Specialized form coverage including ADV, insider filings (Forms 3/4/5), 13F, 13D/G, Form 144, IPO registrations (S-1, 424B4), crowdfunding (Form C, Form D), Reg A filings, and fund reports (N-PORT, N-PX, N-CEN). better fits how you invest.
What asset classes do OTC Markets and SEC API (sec-api.io) cover?
Both cover Stocks. OTC Markets also includes Bonds. SEC API (sec-api.io) adds coverage for ETFs, Mutual Funds, and Funds.
Does OTC Markets or SEC API (sec-api.io) have real-time data?
SEC API (sec-api.io) offers real-time data feeds, which is essential for active traders. OTC Markets uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.
Which has a better stock screener—OTC Markets or SEC API (sec-api.io)?
OTC Markets includes a stock screener for finding investment ideas. SEC API (sec-api.io) focuses on other analytical tools.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.