agent402.tools JSON Flatten/Unflatten

x402

agent402.tools JSON Flatten/Unflatten is a paid API for AI agents from agent402.tools, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-28).

Flattens nested JSON objects to dot-path key-value pairs, or unflattens dot-path keys back into nested JSON structures.

Price / call$0.001

Seller volume →—

Success—

StatusUnknown

How this service works

Flatten nested JSON to dot-path keys, or unflatten dot-path keys back to nested JSON. mode: flatten (default) | unflatten.

Output

Returns a JSON object where all nested keys have been collapsed into dot-notation flat keys (e.g. 'user.address.city': 'NYC') when flattening, or a fully nested JSON object reconstructed from dot-path keys when unflattening.

Example use cases

Example prompt

“Flatten this nested JSON into dot-path keys: {"user":{"name":"Alice","address":{"city":"NYC","zip":"10001"}}} — use flatten mode.”

Technical details

Endpoint

POSThttps://agent402.tools/api/json-flatten?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need to programmatically flatten deeply nested JSON structures into flat dot-path dictionaries for easier iteration, storage, or diffing — or when you need to reconstruct nested JSON from dot-path keys. Ideal for config file normalization, data pipeline preprocessing, or debugging complex nested API responses.

Side effects

Invalid or malformed JSON input returns an error
Missing required 'json' field returns a validation error
Invalid mode value (not 'flatten' or 'unflatten') may return an error or default to flatten
Circular references in JSON may cause errors
Payment failure returns 402 status

Input

Schema · Request body

Field	Type	Description
json	—	JSON value
mode	string	flatten \| unflatten

Output

Schema · Response

{
  "type": "json",
  "example": {
    "result": {
      "a.b": 1
    }
  }
}

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