REST APIs

HTTPS-callable
10 bundles

Every bundle on this page exposes a REST API alongside its MCP tools. Same authentication, same data the AI uses — callable from cron, scripts, dashboards, or any HTTP client. OpenAPI specs ship on each bundle's API docs page.

Looking for the underlying data? Browse datasets.

Clinical Trials

Open Data·3 tools

Search and analyze 580,000+ clinical trials from ClinicalTrials.gov. Find studies by condition, drug, sponsor, phase, recruitment status, and location. Get full study details including eligibility criteria, outcomes, design, locations, and contacts. Count trials for market sizing.

View REST API

FDIC Bank Data

Financial·10 tools

Search 27,000+ FDIC-insured banks (active and historical) — financials, branch maps, failure history, holding-company structure, and industry-level trends from official FDIC data.

View REST API

FMCSA Carrier Safety

Government·3 tools

Search 4.4 million US motor carriers with live FMCSA safety ratings, crash counts, and out-of-service rates — name, USDOT number, or fleet attributes.

View REST API

H-1B Visa Data

Government·4 tools

Search every certified H-1B Labor Condition Application — 100,000+ filings per quarter with employer, job title, SOC code, location, prevailing wage, and offered wage.

View REST API

HTS Tariff Codes

Open Data·2 tools

Search the US Harmonized Tariff Schedule (HTS) for import duty rates, tariff classifications, trade program eligibility (GSP, FTA), and Section 301/232 surcharges. Look up any product by keyword or HTS code to get general and special duty rates, units of quantity, and regulatory footnotes. Powered by the USITC HTS database.

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IRS 990 Nonprofit Financials

Government·6 tools

Search 1.1 million IRS Form 990 filings — revenue, expenses, officer compensation, balance sheet, and program activity for every US nonprofit and private foundation.

View REST API

IRS Nonprofit Lookup

Financial·6 tools

Search 1.9 million IRS-registered tax-exempt organizations — verify 501(c)(3) status, look up by EIN, and compare nonprofits by sector, location, or assets.

View REST API

Lobbying Intelligence

Government·4 tools

Search 20+ years of US federal lobbying disclosures — who pays whom to lobby which agency, on what issues, for how much. Sourced directly from the Senate LDA system.

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Sanctions Screening

Financial·5 tools

Screen names against 20+ government sanctions and watchlists — OFAC, EU, UK, UN, INTERPOL Red Notices, and global PEP — with fuzzy matching tuned for KYC and compliance teams.

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SEC Executive Compensation

Financial·4 tools

Search CEO and named executive officer pay at 4,000+ US public companies — salary, bonus, stock and option awards, and total compensation, parsed from SEC EDGAR DEF 14A proxy statements.

View REST API

REST or MCP — same bundle

Every REST-enabled bundle is also an MCP server, and vice versa. Use REST for cron jobs, dashboards, and one-off scripts. Use MCP when you want Claude, Cursor, or ChatGPT to call the same tools with credentials you've already wired up.

Want to see the MCP-only directory? Browse all MCP servers.

REST APIs for AI bundles — call MCP tools over HTTPS | MCPBundles