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JSON Structural Diff
x402
JSON Structural Diff is a paid API for AI agents from toolbelt402.tpoborne.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Computes a structural diff between two JSON documents, returning add/remove/change operations with JSON-Pointer paths, before/after values, and an identical flag.
Price / call$0.003
Success—
StatusUnknown
How this service works
Structural diff of two JSON documents — add/remove/change operations with JSON-Pointer paths, before/after values, and an identical flag. Compare API responses and configs.
Output
Returns a list of diff operations (add, remove, change), each with a JSON-Pointer path indicating the location in the document, the before value, the after value where applicable, and a top-level identical boolean flag indicating whether the two documents are structurally equivalent.
Example use cases
Audit API response changes
“I got two different responses from our payments API — can you diff them and tell me exactly which fields were added, removed, or changed? Here's the old response: {"status":"pending","amount":100} and the new one: {"status":"settled","amount":100,"fee":2}.”
Detect config drift between environments
“We have two environment configs and I need to know what's different between them — compare {"timeout":30,"retries":3,"debug":false} and {"timeout":60,"retries":3,"debug":true,"logLevel":"verbose"} and give me a full list of changes with their paths.”
Verify JSON patch was applied correctly
“I applied a patch to a JSON document and want to confirm only the expected fields changed — diff the original {"version":1,"active":true,"tags":["a"]} against the patched {"version":2,"active":true,"tags":["a","b"]} and tell me if anything unexpected was modified.”
Technical details
Endpoint
POSThttps://toolbelt402.tpoborne.workers.dev/json/diffWhen to prefer
Choose this endpoint when you need a precise, structured diff of two JSON documents with JSON-Pointer paths and before/after values — ideal for comparing API responses, detecting configuration drift, verifying patches, or auditing changes between two JSON versions. Prefer this over text-based diff tools when you need machine-readable operations (add/remove/change) rather than line-by-line textual output.
Side effects
- Invalid JSON in either input document — returns a parse error
- Missing one or both input documents — returns a validation error
- Extremely large or deeply nested JSON may time out or exceed payload limits
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| a | — | Original JSON document |
| b | — | Changed JSON document |
Tags
x402
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