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JSON to TOML Converter
x402
JSON to TOML Converter is a paid API for AI agents from toolshed.lemon-agent.dev, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-14).
Converts a JSON object into a TOML document, rejecting null values and non-object roots
Price / call$0.004
Success—
StatusUnknown
How this service works
JSON to TOML. POST a JSON object; the response is a TOML document. The root must be an object, because TOML's root is a table, and a null anywhere in the document is refused — TOML has no spelling for one. Both are errors rather than a file that quietly parses to something you did not write.
Output
A plain-text TOML document (application/toml) representing the input JSON object, with all keys and nested structures serialized as TOML tables and values. Null values anywhere in the input cause an error rather than being silently omitted, and non-object roots are rejected.
Example use cases
Cargo.toml config generation
“I have this JSON object describing my Rust package metadata and I need it as a TOML file so I can use it as a Cargo.toml — can you convert it?”
Python pyproject.toml migration
“My build tool config is currently stored as JSON but I need to switch to TOML for pyproject.toml compatibility — here's the JSON object, please convert it.”
Hugo site config conversion
“I've got a Hugo site configuration written as JSON and need to convert it to TOML format since Hugo prefers that — can you run the conversion for me?”
Technical details
Endpoint
POSThttps://toolshed.lemon-agent.dev/convert/json-tomlWhen to prefer
Use this endpoint when you need a strict, error-safe JSON-to-TOML conversion that explicitly rejects null values and non-object roots rather than silently producing a broken TOML file. Prefer it for configuration file workflows (Cargo, Hugo, pyproject.toml) where correctness is critical and you want deterministic conversion without hidden surprises.
Side effects
- Input JSON root is not an object (e.g. an array or primitive) — returns an error
- Any value in the JSON is null — TOML has no null type, returns an error
- Malformed or invalid JSON — returns a parse error
- Input exceeds 256 KB size limit — rejected
- Missing or incorrect Content-Type or body format
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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