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JSON Array to NDJSON Converter
x402
JSON Array to NDJSON Converter is a paid API for AI agents from toolshed.lemon-agent.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Converts a JSON array into Newline Delimited JSON (NDJSON), emitting one compact JSON value per line; rejects non-array inputs explicitly.
Price / call$0.002
Success—
StatusUnknown
How this service works
JSON array to NDJSON. POST a JSON array; the response is one compact JSON value per line — the shape streaming loaders, log shippers and jq pipelines take. A non-array input is refused rather than emitted as a stream of one, because that is the mistake this endpoint exists to catch.
Output
A plain-text response in application/x-ndjson format where each line is a single compact JSON value from the original array. If the input is not a JSON array, the request is rejected with an error rather than emitting a single-line stream.
Example use cases
Preparing data for log shipper
“I've got a JSON array of server events that I need to feed into my log shipping pipeline. Convert it to NDJSON so each event is on its own line.”
Feeding jq pipeline with streaming data
“I need to process a large JSON array with jq but it only works line by line. Can you convert this JSON array into NDJSON format for me?”
Validating array before streaming
“I'm not sure if my data file is a proper JSON array or a single object — can you try converting it to NDJSON and tell me if it's in the right shape? Here's the raw JSON.”
Technical details
Endpoint
POSThttps://toolshed.lemon-agent.dev/convert/json-ndjsonWhen to prefer
Use this endpoint when you need to reliably convert a JSON array into NDJSON and want strict validation that the input is actually an array (not silently wrapping a single object). Prefer it over generic format converters when your downstream consumers are streaming loaders, log shippers, or jq pipelines that require the NDJSON line-per-record format. It pairs naturally with the sibling NDJSON-to-JSON-array endpoint for round-trip workflows.
Side effects
- Non-array JSON input (object, string, number) is rejected with an error — the endpoint does not treat it as a single-element stream
- Input exceeds 256 KB limit — request is refused
- Malformed JSON that cannot be parsed returns an error
- Empty array may return an empty response body
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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