{"product_id":"n8n-webhook-ai-mapper-merge-json-datasets-via-mapping-api","title":"n8n Webhook AI Mapper: Merge JSON Datasets via Mapping API","description":"\u003ch3\u003eMerge two JSON datasets automatically—using AI mapping to unify fields via an n8n Webhook\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003en8n Webhook AI Mapper: Merge JSON Datasets via Mapping API\u003c\/strong\u003e accepts Dataset A and Dataset B through a webhook, profiles their schemas, calls an external AI mapping API to infer field correspondences, then transforms and merges the data into a single unified dataset—returning both \u003cstrong\u003emapping confidence scores\u003c\/strong\u003e and a full \u003cstrong\u003eaudit report\u003c\/strong\u003e as JSON.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives a POST webhook request\u003c\/strong\u003e containing \u003cem\u003eDataset A\u003c\/em\u003e, \u003cem\u003eDataset B\u003c\/em\u003e, and optional mapping hints or a target schema.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValidates and profiles both datasets\u003c\/strong\u003e by extracting field types and sampling rows to understand structure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalls an external AI mapping API\u003c\/strong\u003e (via HTTP) with the schema profiles and samples to request suggested source-to-target field mappings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNormalizes mapping results\u003c\/strong\u003e into a clean mapping list with confidence scores, and \u003cstrong\u003efalls back to heuristic field-name matching\u003c\/strong\u003e if the AI response is missing or unusable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilds transformation rules\u003c\/strong\u003e from the mappings, reshapes Dataset A into the target field structure, then \u003cstrong\u003emerges\u003c\/strong\u003e the transformed Dataset A rows with the original Dataset B rows.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReturns a JSON response\u003c\/strong\u003e that includes the \u003cstrong\u003emerged dataset\u003c\/strong\u003e, \u003cstrong\u003emapping report\u003c\/strong\u003e (statistics and low-confidence mappings), and request metadata.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUnifying CRM\/export data where field names and types differ across systems.\u003c\/li\u003e\n  \u003cli\u003eConsolidating product catalogs or user records from two JSON sources into one consistent schema.\u003c\/li\u003e\n  \u003cli\u003eBuilding an API-style ingestion endpoint that produces traceable mapping confidence for downstream processing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNodes \/ components:\u003c\/strong\u003e webhook, http request, code, wait, respond to webhook, sticky note.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal dependency:\u003c\/strong\u003e an AI mapping\/LLM endpoint over HTTP (the workflow currently shows \u003ccode\u003ehttps:\/\/httpbin.org\/post\u003c\/code\u003e as a placeholder to replace with your real mapping API URL).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGreat for:\u003c\/strong\u003e n8n users and automation engineers who need reliable JSON dataset merging with transparent mapping quality and an audit trail.\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":46172962586803,"sku":"N8N-20554","price":50.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/9WYazWBlMsDDON3la1cR__7MiEcfOa.png?v=1791365167","url":"https:\/\/buyflowscripts.com\/products\/n8n-webhook-ai-mapper-merge-json-datasets-via-mapping-api","provider":"N8N Commerce","version":"1.0","type":"link"}