POST /api/v1/json-to-csv

JSON to CSV Converter

Paste a JSON array of objects to convert it to CSV format. The tool automatically extracts headers from object keys and flattens nested structures. Useful for data export, spreadsheet preparation, or converting API responses into formats that work with Excel or Google Sheets.

data string required

advanced options

delimiter string

X-Sandbox-Remaining: - get an api key

returns

body: The CSV file, served as text/csv.

response awaiting request sending

Fill in the fields and send a request. The response lands here.

Run it from your code

A temporary key takes one request and lasts seven days at 20 calls a day. Register and it becomes 75 a day, still free.

get a temporary key read the api docs

$ curl -sX POST "https://apixies.io/api/v1/json-to-csv" \
    -H "X-API-Key: $APIXIES_KEY" \
    -H "Content-Type: application/json" \
    -d '{"data":"..."}'

questions

How does it handle nested JSON objects?

Nested objects are flattened using dot notation. For example, {"address": {"city": "NYC"}} becomes a column named "address.city" with value "NYC".

What if my JSON objects have different keys?

The CSV will include columns for all unique keys across all objects. Objects missing a key will have an empty value in that column.

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