OpenFEC
FreeLiveLast verified 24 Sept 2026
Campaign finance data: candidates, committees, donations, and spending in US federal elections.
Example request
curl -s 'https://api.open.fec.gov/v1/candidates/?api_key=$API_KEY&per_page=1'
Free tier, in plain English
Free for everyone; sign up at api.data.gov for a key with 1,000 requests/hour, no paid tiers.
Alternatives in Open Government Data
API ColombiaColombia reference data: departments, cities, tourist sites, airports, presidents and more.api.data.govOne free key unlocks 450+ US federal agency APIs (NASA, NOAA, FDA, and more).FreeApiverketSingle API for 35+ Swedish agencies: weather, statistics, transport, companies, parliament and more.FreemiumArgentinaDatosArgentine holidays, inflation, interest rates, and Congress voting data from public sources.FreeAyes and NoesUK MPs, parties, Commons voting records and Early Day Motions, built on official Parliament data.Free