Guides and comparisons
Practical walkthroughs and fair comparisons. Most guides include a free script; comparison pages cite competitor prices with check dates.
- Comparison sec-api.io alternative for SEC EDGAR filings and XBRL company facts
· Pay-per-use EDGAR filings and XBRL facts vs sec-api.io subscriptions. Who each fits, verified prices.
- Comparison Wappalyzer API alternative for website tech stack, SEO and llms.txt checks
· Pay-per-site tech, SEO and AI-bot checks vs Wappalyzer's Business-plan lookup API.
- Comparison Visualping alternative for tracking competitor pricing, terms and careers pages
· Structured competitor-page change rows vs Visualping's visual monitors. Verified prices.
- Guide How do I track changes to competitors' pricing, terms and careers pages without false alarms?
· Track competitor pricing, terms/privacy, careers and changelog pages by meaning, not pixels: what to compare per page type, a free Python change check, A/B-noise filtering, and a scheduled Actor at $0.00049 per page checked.
- Guide How do I check what my website and GitHub repos expose to AI crawlers and the open web?
· Check your own domain and public GitHub repos for AI-era exposure: committed secrets (masked), exposed .env/.git/backup files, which AI crawlers may train on your site, security headers and SPF/DMARC. A free Python check and a passive, scored scan at $0.039 per domain.
- Guide How do I check a website's llms.txt file and its robots.txt rules for AI crawlers?
· Check that /llms.txt follows the llmstxt.org format (H1, summary, link lists), that its links resolve and that robots.txt doesn't block GPTBot, ClaudeBot or PerplexityBot: a free Python checker, real outputs, and a bulk API at $0.0015 per site.
- Guide How do I use the OSV API in Python to check packages for vulnerabilities (query, batch, pagination)?
· Query OSV.dev from Python with the standard library: /v1/query, /v1/querybatch with pagination, /v1/vulns details, alias de-duplication, severity traps and a CI exit code. Real outputs; or finished rows at $0.0005 per package + $0.0015 per vulnerability.
- Guide How do I get live job listings straight from company ATS boards (Greenhouse, Lever, Ashby) via API?
· Read jobs straight from employers' own Greenhouse, Lever and Ashby boards: the free public APIs, a 25-line Python example, ghost-job signals (age, long-open, reposts) and a feed at $0.99 per 1,000 jobs. Real outputs.
- Guide How do I get SEC EDGAR company facts (XBRL financials) and filings by ticker via API?
· Get XBRL company facts (revenue, net income, EPS, assets) and 10-K/10-Q/8-K filings from SEC EDGAR by ticker, CIK or name: free Python against the official SEC APIs, two data traps, and an Apify Actor at $0.0015/company + $0.001/filing + $0.0002/fact. Real outputs.
- Guide How do I screen names against OFAC, EU, UK and UN sanctions lists with an API?
· Screen people and companies against OFAC SDN/Consolidated, EU, UK and UN sanctions lists via API: fuzzy matching, aliases, country and DOB checks, real output, $3 per 1,000 names on Apify or RapidAPI plans.
- Guide How do I redact PII and secrets before sending data to an LLM?
· Detect and redact emails, phones, card numbers, SSNs, IBANs and API keys before text reaches an LLM: free local MCP tools (pii_scan_text, pii_redact_text) or an API at $0.0015/doc + $0.0002/finding. Real outputs.
- Guide How do I find a company's contact email, phone and social profiles from its domain?
· Turn a domain into public business contacts: role emails validated for MX, E.164 phones, social profiles, company name and address, robots.txt respected. Real output, $0.003 per domain.
- Guide How do I check npm and PyPI dependencies for vulnerabilities in CI with OSV?
· Gate CI on vulnerable npm/PyPI dependencies with OSV.dev: a free querybatch gate, free MCP lookups, and a GitHub Actions example with CVSS, CVE IDs and fixed versions at $0.0005/package + $0.0015/vulnerability. Real outputs.
- Guide How do I give my AI agent trust and safety tools via MCP?
· Add PII/secret redaction, email checks, sanctions screening and OSV vulnerability lookups to Claude Desktop, Cursor or VS Code with one MCP server: 12 tools, 7 free. Config snippets and real outputs.
- Guide How to validate email addresses via API: MX, disposable and typo checks
· Validate email addresses without sending mail: syntax, MX and null MX, disposable, role and free-provider flags, typo suggestions, SPF/DMARC. Free options and an API at $0.00079 per email.
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