# Kestrel API > A machine-payable API delivering UK NHS / health procurement intelligence to > autonomous agents. Fresh tenders, awards and contract notices from NHS trusts > and health bodies, filtered from the official Find a Tender service. ## What it is - Health-filtered feed of UK public procurement (Find a Tender OCDS data, OGL). - Structured, agent-ready: buyer, title, stage, value, CPV, source URL. - For AI agents doing NHS supplier discovery, bid intelligence, or market monitoring. ## Access - Free tier: recent buyers and latest tenders (rate-limited). - Paid tier: full tender history via API key or x402 machine payment (USDC on Base). ## Sister feeds - SIA private-security regulatory changes: https://sia.alvento.uk