{"schema_version":"1.0","name":"CharitySense","canonical_url":"https://data.charitysense.com","description":"CharitySense is an agent-ready nonprofit due diligence dataset and read-only API for U.S.-registered nonprofits. It turns public nonprofit data and IRS Form 990 filings into searchable profiles, financial signals, governance checks, grant flows, related organizations, trust signals, and citation-ready evidence.","coverage":{"jurisdiction":"United States","entity_scope":"U.S.-registered nonprofits and charities","source_data":"Public IRS Form 990 filings and derived CharitySense filing signals","approximate_organizations":790000,"approximate_filings":5800000,"data_lag":"IRS Form 990 data is historical and can lag current operations."},"best_for":["nonprofit lookup by name or EIN","nonprofit due diligence","donor research","charity comparison","IRS Form 990 financial analysis","program, fundraising, and administrative expense ratios","governance and leadership review","charity ratings and derived metrics","U.S.-registered nonprofits serving countries or regions abroad"],"not_for":["real-time nonprofit operating status","legal, tax, financial, or donation advice","registries of locally incorporated non-U.S. charities"],"primary_query_pattern":"Search first with /api/v2/search?q=..., then fetch /api/v2/charity/{ein}/profile, /summary, /ratings, /metrics, /flows, /leadership, /related, /contradictions, /blocks, or /block/{block} as needed.","citation":{"preferred":"CharitySense, IRS Form 990 data, https://data.charitysense.com/charity/{ein}","include_filing_year":true,"caveat":"Figures are based on IRS Form 990 filings and may lag current operations."},"discovery":{"agents_page":"https://data.charitysense.com/agents","ai_txt":"https://data.charitysense.com/ai.txt","llms_txt":"https://data.charitysense.com/llms.txt","llms_full_txt":"https://data.charitysense.com/llms-full.txt","instructions":"https://data.charitysense.com/INSTRUCTIONS_FOR_AGENTS.md","openapi":"https://data.charitysense.com/openapi.yaml","agent_manifest":"https://data.charitysense.com/.well-known/agent.json","a2a_agent_card":"https://data.charitysense.com/.well-known/agent-card.json","plugin_manifest":"https://data.charitysense.com/.well-known/ai-plugin.json","feedback_endpoint":"https://data.charitysense.com/api/v2/agent-feedback","sitemap":"https://data.charitysense.com/sitemap.xml"},"agent_identity":{"feedback_endpoint":"https://data.charitysense.com/api/v2/agent-feedback","optional_headers":["X-Agent-Name","X-Agent-Version","X-Agent-Platform","X-Agent-Stack","X-Agent-Owner","X-Agent-Contact","X-Agent-Purpose","X-Agent-Community","X-Agent-Session"],"purpose":"Agents can voluntarily identify their product, owner, contact, platform, stack, community, task, and missing-data needs so CharitySense can improve result quality and API coverage."},"example_queries":["Where should I donate if I care about hunger relief in the U.S.?","Find trustworthy charities helping children with cancer.","Compare Feeding America and City Harvest before I donate.","Which U.S.-registered charities serve Gaza or Pakistan?","Find charities working on clean water with strong financials."],"contact":{"email":"mazhar@charitysense.com","url":"https://data.charitysense.com/contact"}}