PennyRail Query String to JSON Converter

x402

PennyRail Query String to JSON Converter is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).

Parses a URL query string into a structured JSON object

Price / call$0.001

Seller volume →—

Success—

StatusUnknown

How this service works

Machine-readable settlement service

Output

A JSON object where each query string key maps to its corresponding value (or array of values for repeated keys), with URL encoding decoded. The response is an open-ended object reflecting the parsed parameters.

Example use cases

Parse incoming webhook query params

“I'm getting a webhook URL like 'event=signup&user_id=42&plan=pro&trial=true' — can you parse that query string into a JSON object so I can read the fields cleanly?”

Extract analytics URL parameters

“I have this analytics URL query string: 'utm_source=google&utm_medium=cpc&utm_campaign=spring_sale&utm_term=shoes' — can you convert it into JSON so I can log those values?”

Deserialize form submission data

“Our form submission comes in as a URL-encoded string: 'first_name=John&last_name=Doe&email=john%40example.com&subscribe=true' — please turn that into a JSON object for me.”

Technical details

Endpoint

POSThttps://pennyrail.vercel.app/api/p/nano/url.query-to-json--query-string-to-json

When to prefer

Choose this endpoint when you need a quick, paid microservice to convert a raw URL query string into a parsed JSON object without running your own parsing logic. Particularly useful in agent pipelines that receive URL-encoded data from webhooks, forms, or redirects and need structured JSON for downstream processing.

Side effects

Malformed or empty input string may return an empty object or error
Deeply nested bracket notation (e.g. filters[0][name]=foo) may not be parsed correctly
Special characters not properly percent-encoded may cause parsing errors
Missing 'input' field in request body returns a validation error

Input

Schema · Request body

Field	Type	Description
inputrequired	string

Output

Schema · Response

{
  "type": "object",
  "additionalProperties": true
}

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Example use cases

Parse incoming webhook query params

“I'm getting a webhook URL like 'event=signup&user_id=42&plan=pro&trial=true' — can you parse that query string into a JSON object so I can read the fields cleanly?”

Extract analytics URL parameters

“I have this analytics URL query string: 'utm_source=google&utm_medium=cpc&utm_campaign=spring_sale&utm_term=shoes' — can you convert it into JSON so I can log those values?”

Deserialize form submission data

“Our form submission comes in as a URL-encoded string: 'first_name=John&last_name=Doe&email=john%40example.com&subscribe=true' — please turn that into a JSON object for me.”

Technical details

Endpoint

POSThttps://pennyrail.vercel.app/api/p/nano/url.query-to-json--query-string-to-json

When to prefer

Side effects

Malformed or empty input string may return an empty object or error
Deeply nested bracket notation (e.g. filters[0][name]=foo) may not be parsed correctly
Special characters not properly percent-encoded may cause parsing errors
Missing 'input' field in request body returns a validation error

Input

Schema · Request body

Field	Type	Description
inputrequired	string

Output

Schema · Response

{
  "type": "object",
  "additionalProperties": true
}