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Changelog Openapi

$0.005

Diff two OpenAPI specs and generate a structured breaking-change changelog. Deterministic, no LLM. Provide base_spec_url and new_spec.

POST https://x402.freeq.one/tools/changelog_openapi
Try it (x402 payment flow)
curl -X POST https://x402.freeq.one/tools/changelog_openapi \ -H "Content-Type: application/json" \ -d '{"{param}": "{value}"}'

Without payment, the server returns 402 Payment Required with x402 challenge details. A paying agent signs a USDC transaction on Base and retries with the payment header.