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IRS 990 Nonprofit Charity Grant Evidence API

IRS 990 nonprofit search for charity verification, donor research, grant prospecting, foundation diligence, and nonprofit evidence packs. Parameters: query required, maxResults optional. Deterministic test: query=American Red Cross&maxResults=5 returns public tax-exempt organization filing metadata and source-backed organization details.

x402 verified · $0.01 USDC/request · 1 endpoints / 1 tools · Data · base network · x402 protocol

How to call this API

Every protected route returns HTTP 402 with x402 payment requirements. An agent pays the stated USDC amount on Base and retries with the payment header. No API keys, no accounts. Browse the marketplace or list your own API.

By AutoScrape