JSON Diff & Patch API

JSON Diff & Patch API — Diff + apply RFC-6902 JSON Patches.

What you get

• POST /v1/json/diff · POST /v1/json/patch — primary endpoint.
• X-API-Key authentication, per-key rate limits, audit log.
• OpenRouter-backed where AI is involved — no model keys to manage on your side.
• Interactive Swagger docs at api-json-diff.knowlez.com/docs.

Plans

• Starter — $9/mo · 10,000 diffs included · $0.0002/diff overage.
• Pro — $29/mo · 100,000 diffs included · $0.0001/diff overage.