{"generatedAt":"2026-07-19T03:01:59.623Z","tool":{"id":"openapi-changelog","name":"OpenAPI Changelog Generator","description":"Generate endpoint-level changelogs by diffing two OpenAPI specs","category":"devtools","icon":"API","keywords":["openapi changelog","openapi diff","api changelog generator"],"isNew":true,"remoteCallable":true,"remoteMode":"dedicated_api","riskClass":"H","maxInputBytes":524288,"timeoutMs":8000,"supportsStreaming":false,"url":"/openapi-changelog/","tags":["devtools","openapi"],"faqs":[{"question":"What is OpenAPI Changelog Generator?","answer":"OpenAPI Changelog Generator is a free browser-based utility on AI Dev Hub. Generate endpoint-level changelogs by diffing two OpenAPI specs."},{"question":"How do I use OpenAPI Changelog Generator?","answer":"Open the tool, paste your input data, run the transform, and review the generated output panel. You can then copy the result into your workflow."},{"question":"Does OpenAPI Changelog Generator store or send my data?","answer":"No. The default implementation is client-side and does not persist your content. For security-sensitive data, redact secrets before sharing outputs."}],"howTo":[{"title":"Prepare your input","description":"Collect the source text or structured payload you want to process and paste it into the tool input fields."},{"title":"Select mode and run","description":"Choose the relevant mode (if available) and click Run to execute the deterministic transformation."},{"title":"Review warnings and output","description":"Check warnings, validation notes, and generated output before using the result in production workflows."},{"title":"Copy and integrate","description":"Copy the generated output and apply it in your project, API flow, or documentation pipeline."}],"agentContract":{"toolId":"openapi-changelog","contractVersion":"2.0.0","remote_callable":true,"remote_mode":"dedicated_api","risk_class":"H","max_input_bytes":524288,"timeout_ms":8000,"supports_streaming":false,"preferred_surface":"dedicated_api","dedicated_api":{"baseUrl":"https://aidevhub.io/api/openapi-changelog/","openapiUrl":"https://aidevhub.io/api/openapi.yaml","endpoints":[{"method":"GET","path":"/api/openapi-changelog/","summary":"GET openapi-changelog"},{"method":"POST","path":"/api/openapi-changelog/","summary":"POST openapi-changelog"}],"riskClass":"H","inputMaxBytes":524288,"timeoutMs":8000},"runtime":{"endpoint":"/api/tools/run/","methods":["GET","POST"],"queryParams":[{"name":"toolId","required":true,"description":"Tool identifier"},{"name":"a","required":true,"description":"Primary input"}],"postBodyShape":{"toolId":"string","input":"{ a, b?, c?, mode? }"},"exampleGet":"https://aidevhub.io/api/tools/run/?toolId=openapi-changelog&a=...","policy":{"riskClass":"H","limit":10,"burst":5,"windowSec":60,"inputMaxBytes":524288,"timeoutMs":8000,"cacheTtlSec":0,"networkEnabled":false,"supportsStreaming":false}}},"relatedTools":[{"id":"cli-ux-linter","name":"CLI UX Linter","url":"/cli-ux-linter/","category":"devtools"},{"id":"ai-cli-generator","name":"AI CLI Generator","url":"/ai-cli-generator/","category":"devtools"},{"id":"csv-endpoint-builder","name":"CSV Endpoint Builder","url":"/csv-endpoint-builder/","category":"devtools"},{"id":"openprose-flow-linter","name":"OpenProse Flow Linter","url":"/openprose-flow-linter/","category":"devtools"},{"id":"trace-context-validator","name":"Trace Context Validator","url":"/trace-context-validator/","category":"devtools"},{"id":"retry-idempotency-contract-builder","name":"Retry & Idempotency Contract Builder","url":"/retry-idempotency-contract-builder/","category":"devtools"}]}}