VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

Wednesday, June 3, 2026

Tool Comparison · Wednesday, June 3, 2026

Ahrefs vs SEC API (sec-api.io)

Ahrefs vs SEC API (sec-api.io): which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.

Quick verdict
Ahrefs logo

Ahrefs

ahrefs.com

Best for app & website traffic

Pricing
Free • From $29/mo
Platforms
Web, Desktop, API
VS
SEC API (sec-api.io) logo

SEC API (sec-api.io)

Pick

sec-api.io

Best for regulatory filings monitoring, and insider data

Pricing
Free • From $55/mo
Platforms
Web, API

Outbound links may include affiliate or sponsor codes.

Comparison snapshot

Attribute
Ahrefs
SEC API (sec-api.io)
Starting price
Free • From $29/mo
Free • From $55/mo
Categories covered
3
9
Web app
Yes
Yes
Mobile app
No
No
API access
Yes
Yes
Regions
North America

Who should choose which?

Choose

Ahrefs if…

  • You need ahrefs web analytics is a free, privacy-friendly website analytics product (no cookies / no personal data stored by default) with up to 1m events/month per site on the free tier; higher event volumes are paid per-project add-ons.
  • You need website traffic checker provides estimated traffic and key metrics (including organic and paid search traffic) and shows traffic progression globally and locally (country breakdown). bulk-check supports up to 200 websites at once.
  • You need ahrefs webmaster tools (awt) is free for verified website owners and includes limited access to web analytics, site audit, and site explorer; competitor analysis for unverified sites is not included.
  • You need paid plans (starter/lite/standard/advanced/enterprise) scale via plan limits (projects, historical data depth, tracked keywords/prompts, crawl credits, export rows) and credits/api integration units.

Choose

SEC API (sec-api.io) if…

  • You need 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.
  • You need 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).
  • You need datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares.
  • You need historical coverage back to 1993 with support for all 400+ edgar form types; new filings made available within ~300 ms of posting.

Consider alternatives if…

  • You want broader category coverage in one tool.
  • Neither pricing tier fits your budget.
See alternatives

Side-by-side feature breakdown

AttributeAhrefsSEC API (sec-api.io)
Asset types
Other
StocksETFsMutual FundsFunds
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
Not specified
North America
Data freshness
Real-time
Real-time
API access
REST
RESTWebSocket
Export formats
CSVPDF
JSONPDF

Seen enough? Open either tool and try it now.

Pricing breakdown

Pricing details

Tool

Ahrefs

$29/mo

Starting price

Free tierYes
Free trial

Plans & pricing

Webmaster Tools (AWT)Free
Starter$29/mo
Lite$129/mo
Standard$249/mo
Advanced$449/mo
Enterprise$1499/mo

Tool

SEC API (sec-api.io)

$55/mo

Starting price

Free tierYes
Free trial

Plans & pricing

Free TierFree
Personal & Startups$55/mo
Business (Internal Use)$239/mo
Enterprise & InstitutionsContact sales

Coverage overlap

Shared categories2

Categories where both tools offer overlapping coverage.

Ahrefs strengths1

Categories covered by Ahrefs only.

SEC API (sec-api.io) strengths7

Categories covered by SEC API (sec-api.io) only.

Community category leaders

FinancialsSEC API (sec-api.io)
Insider DataSEC API (sec-api.io)
Browse the #1 tool in 90+ categories

Vote sentiment comparison

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Still deciding? Get hands-on with both — most plans offer a free tier or trial.

Frequently Asked Questions

What's the difference between Ahrefs and SEC API (sec-api.io)?

Ahrefs focuses on App & Website Traffic, Data APIs, and APIs & SDKs while SEC API (sec-api.io) specializes in Data APIs, Regulatory Filings Monitoring, and Insider Data. They overlap in 2 categories, so choose based on your preferred workflow and pricing.

How much do Ahrefs and SEC API (sec-api.io) cost?

Good news—both Ahrefs 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 Ahrefs 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 Ahrefs or SEC API (sec-api.io)?

Choose Ahrefs if you need Ahrefs Web Analytics is a free, privacy-friendly website analytics product (no cookies / no personal data stored by default) with up to 1M events/month per site on the free tier; higher event volumes are paid per-project add-ons., and Website Traffic Checker provides estimated traffic and key metrics (including organic and paid search traffic) and shows traffic progression globally and locally (country breakdown). Bulk-check supports up to 200 websites at once.. 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 Ahrefs and SEC API (sec-api.io) cover?

Both cover common asset types. Ahrefs also includes Other. SEC API (sec-api.io) adds coverage for Stocks, ETFs, Mutual Funds, and Funds.

Do Ahrefs and SEC API (sec-api.io) offer real-time data?

Yes, both platforms provide real-time market data. This makes either suitable for active trading strategies where timing matters.

Can I export data from Ahrefs and SEC API (sec-api.io)?

Ahrefs supports data exports to CSV, and PDF. SEC API (sec-api.io) has more limited export options.

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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.