Fairquery blog Guides and data tools for developers and AI agents https://fairquery.github.io/ 2026-10-17T00:00:00Z Fairqueryhttps://fairquery.github.io/about/ How do I get SEC EDGAR company facts (XBRL financials) and filings by ticker via API? https://fairquery.github.io/posts/sec-edgar-api-company-facts-xbrl-filings-by-ticker/ 2026-10-17T00:00:00Z 2026-10-17T00:00:00Z 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. How do I screen names against OFAC, EU, UK and UN sanctions lists with an API? https://fairquery.github.io/posts/how-to-screen-names-ofac-eu-uk-un-sanctions-api/ 2026-10-17T00:00:00Z 2026-10-17T00:00:00Z 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. How do I redact PII and secrets before sending data to an LLM? https://fairquery.github.io/posts/redact-pii-secrets-before-sending-data-to-llm/ 2026-10-17T00:00:00Z 2026-10-17T00:00:00Z 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. How do I find a company's contact email, phone and social profiles from its domain? https://fairquery.github.io/posts/find-company-contact-email-phone-socials-from-domain/ 2026-10-17T00:00:00Z 2026-10-17T00:00:00Z 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. How do I check npm and PyPI dependencies for vulnerabilities in CI with OSV? https://fairquery.github.io/posts/check-npm-pypi-dependencies-vulnerabilities-ci-osv/ 2026-10-17T00:00:00Z 2026-10-17T00:00:00Z 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. How do I give my AI agent trust and safety tools via MCP? https://fairquery.github.io/posts/give-ai-agent-trust-safety-tools-mcp-server/ 2026-10-17T00:00:00Z 2026-10-17T00:00:00Z 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. How to validate email addresses via API: MX, disposable and typo checks https://fairquery.github.io/posts/validate-email-addresses-api-mx-disposable-typo/ 2026-10-17T00:00:00Z 2026-10-17T00:00:00Z 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.