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AgentTax

US sales tax calculation API for AI-agent commerce. Returns the combined state+local rate, taxability by work type, economic-nexus alerts and a confidence score for all 50 states + DC. Pay per call in USDC on Base via x402 ($0.005) or use an API key.

unclaimedpaid_usage_verifiedbuy here · x402

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verified	Not yet: listing not claimed with domain proof.
trusted	Not yet: needs 3+ independent buyers and 5+ settlements in 30 days.

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Trust · score 12

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Seller site: https://agenttax.io/api-docs · JSON · kit.json · buy here: /api/v1/call/x402.agenttax

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