PayAPI Market

AcqPath Rights Preflight

POST /v1/rights/preflight checks observed RSL and machine-readable content usage declarations before AI ingestion. Paid use supports the official TypeScript or Python x402 signer with the AcqPath SIWX adapter; generic zero-config x402 compatibility is not claimed. Fresh checks cost 0.02 USDC and deep checks cost 0.05 USDC on Base mainnet.

x402 verified · Verified on /v1/rights/preflight/x402 · $0.02 · $0.02–$0.05 USDC/request · 1 endpoints / 1 tools · Verification · 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 AcqPath