{"uid":"cap_gwgS4jjkwAaAel1lOa-Y6","slug":"apiacre-com-structured-json-yaml-diff-c2ee5279","name":"apiacre.com Structured JSON/YAML Diff","description":"Compare JSON or YAML deterministically and return source hashes plus machine-readable additions, removals, and replacements by path with explicit truncation evidence.","url":"https://apiacre.com/v1/developer/structured-diff","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"after":{"type":"string"},"before":{"type":"string"},"format":{"enum":["json","yaml"],"type":"string"}}},"responseSchema":{"type":"json","example":{"data":{"format":"json","changed":true,"changes":[{"op":"replace","path":"$.features.export","after":true,"before":false}],"afterSha256":"1491b575597fbdbb636572aa4cf9ac93e424273a4aa920242398844866dd2a0f","changeCount":2,"beforeSha256":"242eb38c815b9bab51819f9aa7ebd832666455dbfce03671aae54cc93abafcdb","changesReturned":2,"changesTruncated":false},"meta":{"cached":false,"sources":[],"warnings":[],"duration_ms":42,"next_actions":[]},"service":"developer.structured-diff","version":"1","request_id":"018f1f54-7f38-7ba2-8dc3-5f90272d9f1a"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MUkfKdI16ZRYPAtvcT-xw","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Produces path-level semantic differences between two JSON or YAML documents, identifying additions, removals, and modifications by field path.","exampleAgentPrompt":"Compare these two JSON documents and show me the path-level changes — what was added, removed, or modified between them.","exampleUseCases":[{"title":"Detecting API response drift","prompt":"I have the JSON response from our payment API last week and the one from today — can you diff them path-by-path and tell me which fields were added, removed, or changed in value?"},{"title":"Config change auditing before deployment","prompt":"Here are two versions of our Kubernetes YAML config — the one from before and after the engineer's edits. Show me the exact field paths that changed so I can review the diff before we deploy."},{"title":"Schema migration impact analysis","prompt":"I have the old and new versions of our database entity JSON — can you compare them and give me a structured breakdown of which paths were added, removed, or modified so I know what migrations are needed?"}],"resultDescription":"A structured list of path-level changes between the two input documents, where each change entry includes the JSON or YAML path (e.g. '/user/address/city'), the type of change (addition, removal, or modification), and the before/after values where applicable.","failureModes":["Malformed JSON or YAML input returns a parse error","Passing two identical documents returns an empty diff with no changes","Extremely large documents may exceed payload size limits","Mixing incompatible formats (e.g. one JSON, one plain text) may return a format error","Missing required input fields (original or modified document) returns a 400 validation error"],"whenToPreferThis":"Choose this endpoint when you need semantic, path-aware diffing of structured data (JSON or YAML) rather than line-by-line text diffing. It is ideal for comparing API payloads, configuration files, or schema versions where you care about which logical fields changed, not just which lines differ. Prefer it over a generic text diff endpoint when the documents are structured and you need machine-readable change records keyed by field path.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:42:51.362Z","isFirstParty":false}