Json Flatten

Flatten a nested JSON object into a single-level map with dot-separated keys.

This page documents the HTTP endpoint POST /api/tools/json-flatten/execute. See the MCP reference →

Call it over REST

POST https://api.findutils.com/api/tools/json-flatten/execute · no API keys · 60 requests/min per IP

Execute — verified arguments

curl -X POST https://api.findutils.com/api/tools/json-flatten/execute \
  -H "Content-Type: application/json" \
  -d '{
    "json": "{\"a\":{\"b\":1}}"
  }'

Parameter schema for this endpoint

curl https://api.findutils.com/api/tools/json-flatten

Interactive docs · OpenAPI 3.1 spec · All REST tools

Input schema

Argument	Type	Required	Description
json	string	yes	JSON object to flatten.
separator	string	no	Key separator. Defaults to ".". Default: ".".

Example arguments (verified)

{
  "json": {
    "a": {
      "b": 1
    }
  }
}

Arguments that carry JSON as a string are shown decoded for readability. The Copy button copies the exact wire arguments.

Also an MCP tool

Claude, Cursor, and any MCP client can call this tool as findutils:json_flatten after one connect command.

Connect once

claude mcp add findutils --transport http https://mcp.findutils.com/

Open the MCP reference for Json Flatten →

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