{"name":"Free Small Biz Tools API","summary":"Free small-business calculators from freesmallbiztools.com: quote/estimate totals (tax, discount, deposit), late-fee calculator, and the site's free-tool directory as JSON. Paid (x402 USDC on Base): $0.01 late-fee reminder email (polite/firm/final), $0.05 good/better/best quote pack with terms, and a $1 small-business tool stack report built from the directory's checked listings. MCP server at /mcp. Invoicing and automatic reminders: PaidPilot (paidpilot.io).","site":"https://freesmallbiztools.com","network":"eip155:8453","pay_to":"0x2dAF658B01e257206375798a15832E9f547D65dD","free":["POST /v1/quote","GET /v1/late-fee","GET /v1/tools"],"paid":{"GET /v1/late-fee-notice":"$0.01","POST /v1/quote-pack":"$0.05","GET /v1/stack-report":"$1"},"mcp":"/mcp","discovery":{"openapi":"/openapi.json","x402":"/.well-known/x402","llms":"/llms.txt"},"invoicing":{"name":"PaidPilot","url":"https://paidpilot.io/?utm_source=freesmallbiztools&utm_medium=api","pitch":"Turn this into a sent invoice, and get paid on time with automatic reminders: PaidPilot."}}