JSON to TOML
POST
/v1/convert/json-to-toml
curl -X POST "https://convert.toolkitapi.io/v1/convert/json-to-toml" \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"json": {"project": {"name": "myapp", "version": "1.0.0"}, "dependencies": {"requests": "^2.31"}}}'# See curl example// See curl example
Response
200 OK
{
"toml": "[project]\nname = \"myapp\"\nversion = \"1.0.0\"\n\n[dependencies]\nrequests = \"^2.31\"\n",
"size": 72
}How to Use
1
Send a POST request to /v1/convert/json-to-toml with a json object.
About This Tool
Convert a JSON object to TOML configuration format. Preserves tables, arrays of tables, and all primitive types.
Ideal for generating Rust Cargo.toml, Python pyproject.toml, or any TOML-based configuration from structured data.
Why Use This Tool
- Project Setup — Generate pyproject.toml or Cargo.toml files programmatically from JSON data.
- Config Migration — Convert JSON config files to TOML format for tools that prefer TOML.
Frequently Asked Questions
Are all JSON types supported?
Yes — strings, numbers, booleans, arrays, and nested objects all map to their TOML equivalents.
What about null values?
TOML does not support null. Keys with null values are omitted from the output.
Start using JSON to TOML now
Get your free API key and make your first request in under a minute.