JSON Transform API

Convert JSON to CSV, XML, YAML, TOML, and back — in one API call.

Endpoints

POST /api/transform

Convert data between formats.

curl -X POST https://production-json-transform.tyzo.nodeops.app/api/transform \
  -H "Content-Type: application/json" \
  -d '{
    "input": "json",
    "output": "yaml",
    "data": {"name": "NK", "skills": ["code", "deploy"]}
  }'

POST /api/flatten

Flatten nested JSON into dot-notation keys.

curl -X POST https://production-json-transform.tyzo.nodeops.app/api/flatten \
  -H "Content-Type: application/json" \
  -d '{
    "data": {"user": {"name": {"first": "NK"}}},
    "delimiter": "."
  }'

POST /api/unflatten

Expand dot-notation keys back into nested objects.

curl -X POST https://production-json-transform.tyzo.nodeops.app/api/unflatten \
  -H "Content-Type: application/json" \
  -d '{
    "data": {"user.name.first": "NK"},
    "delimiter": "."
  }'

POST /api/query

Query JSON data using JMESPath expressions.

curl -X POST https://production-json-transform.tyzo.nodeops.app/api/query \
  -H "Content-Type: application/json" \
  -d '{
    "data": {"users": [{"name": "NK", "role": "admin"}, {"name": "Bob", "role": "user"}]},
    "query": "users[?role==\u0027admin\u0027].name"
  }'

POST /api/diff

Compare two JSON objects and return differences.

curl -X POST https://production-json-transform.tyzo.nodeops.app/api/diff \
  -H "Content-Type: application/json" \
  -d '{
    "original": {"name": "NK", "age": 25},
    "modified": {"name": "NK", "age": 26, "city": "SF"}
  }'

POST /api/validate

Validate JSON data against a JSON Schema.

curl -X POST https://production-json-transform.tyzo.nodeops.app/api/validate \
  -H "Content-Type: application/json" \
  -d '{
    "data": {"name": "NK", "email": "[email protected]"},
    "schema": {
      "type": "object",
      "properties": {
        "name": {"type": "string"},
        "email": {"type": "string", "format": "email"}
      },
      "required": ["name", "email"]
    }
  }'

Supported Formats

Format	Input	Output
JSON	Object, array, or JSON string	Pretty-printed JSON string
CSV	CSV string	CSV string with headers
XML	XML string	XML string with root element
YAML	YAML string	YAML string
TOML	TOML string	TOML string

Error Codes

Code	Description
INVALID_INPUT	Missing or invalid request field
INVALID_FORMAT	Unsupported format specified
PARSE_ERROR	Failed to parse input data
PAYLOAD_TOO_LARGE	Data exceeds 5MB limit
QUERY_ERROR	Invalid JMESPath query
VALIDATION_ERROR	Schema validation failed