CSV to JSON API

Convert CSV data or a remote CSV file URL to a structured JSON array — with a single POST request.

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Endpoint

POST https://abesttools.com/api/csv-to-json

Authentication

Pass your API token in one of two ways:

  • POST body field: token=YOUR_TOKEN
  • Header: Authorization: Bearer YOUR_TOKEN

Parameters

NameTypeRequiredDefaultDescription
csv string Yes* — Raw CSV text (* or provide url)
url string Yes* — URL of a remote CSV file to fetch (* or provide csv)
token string Yes* — Your API token (* or use Authorization header)
delimiter string No , Single character field delimiter (e.g. ; \t |)
has_header string No 1 Whether the first row is a header (1 = yes, 0 = no). When yes, returns array of objects; when no, returns array of arrays.

Example — raw CSV (with header)

curl -X POST "https://abesttools.com/api/csv-to-json" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  --data-urlencode "csv=name,age,city
  Alice,30,London
  Bob,25,Paris"

Example — remote CSV file

curl -X POST "https://abesttools.com/api/csv-to-json" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -d "url=https://example.com/data.csv"

Response — with header row (has_header=1)

[
  { "name": "Alice", "age": "30", "city": "London" },
  { "name": "Bob",   "age": "25", "city": "Paris"  }
]

Response — no header row (has_header=0)

[
  ["Alice", "30", "London"],
  ["Bob",   "25", "Paris"]
]

Error responses

StatusMeaning
401Invalid or missing API token
403Active subscription required
422Missing or invalid csv/url parameter, or CSV parse error
502Could not fetch the remote CSV file
Live test
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