# keyronne.com CSV↔JSON Converter

> keyronne.com CSV↔JSON Converter is a paid API for AI agents from keyronne.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).

Converts CSV text to JSON rows or JSON rows back to CSV, with RFC 4180 parsing, automatic delimiter detection, and type coercion.

## Facts

- Endpoint: POST https://keyronne.com/api/csv
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/keyronne-com-csv-json-converter-9d8f9ef1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_UT1qAMZbiIzdCPFnyG4J1

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability keyronne-com-csv-json-converter-9d8f9ef1 -d '<json body>'
```

Example prompt: Convert this CSV to JSON for me — it's semicolon-delimited with a header row: 'name;age;active\nAda;36;true\nBob;29;false' — and make sure numbers and booleans are properly coerced, not left as strings.

## When to prefer this

Choose this endpoint when an agent needs to bidirectionally convert between CSV and JSON formats — especially when the CSV uses non-standard delimiters (semicolon, tab, pipe), contains quoted fields or embedded newlines per RFC 4180, or requires automatic type coercion so numbers and booleans aren't returned as strings. Prefer it over general-purpose code execution for lightweight, reliable tabular data interchange without spinning up a runtime.

## Known failure modes

- Malformed CSV with unbalanced quotes returns a parsing error
- Providing neither 'csv' nor 'rows' field returns a validation error
- Providing both 'csv' and 'rows' simultaneously may cause ambiguous input error
- Unsupported or ambiguous delimiter with auto-detection may mis-parse columns
- Very large CSV payloads may time out or exceed size limits
- Non-UTF-8 encoded input may cause character corruption

## How this service works

Convert CSV text to JSON and JSON rows back to CSV. RFC 4180 parsing (quoted fields, escaped quotes, embedded newlines), automatic delimiter detection (comma/semicolon/tab/pipe), and type coercion (numbers, booleans, nulls). Built for agents moving data between tabular and structured forms. POST a JSON body like: {"csv":"name,age,active\nAda,36,true\nBob,29,false"}

## Output

Returns a JSON array of objects (when parsing CSV) where each object maps column headers to type-coerced values (numbers, booleans, nulls where applicable), or a CSV text string (when serializing JSON rows), with fields in the specified column order.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "csv": {
   "type": "string",
   "description": "CSV text to parse into JSON. Provide csv OR rows."
  },
  "rows": {
   "type": "array",
   "description": "Array of objects (or arrays) to serialize into CSV. Provide csv OR rows."
  },
  "fields": {
   "type": "array",
   "items": {
    "type": "string"
   },
   "description": "Column order when building CSV."
  },
  "header": {
   "type": "boolean",
   "default": true,
   "description": "Treat the first CSV row as column names."
  },
  "delimiter": {
   "type": "string",
   "description": "Force a delimiter; otherwise auto-detected for parsing."
  },
  "coerceTypes": {
   "type": "boolean",
   "default": true,
   "description": "Coerce numbers/booleans/nulls when parsing."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/keyronne-com-csv-json-converter-9d8f9ef1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from keyronne.com](https://www.zero.xyz/host/keyronne.com/llms.txt)