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Research JSON Path Lookup
x402
Research JSON Path Lookup is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).
Reads a value from a JSON document at a specified dot-separated path, optimized for research workflows.
Price / call$0.01
Success—
StatusUnknown
How this service works
Research JSON path lookup: Read a dot-separated path from a JSON document. Tailored for research workflows.
Output
The value found at the specified dot-separated path within the provided JSON document, returned as the extracted data (string, number, object, or array depending on what is at that path).
Example use cases
Extract author name from research metadata
“I have a JSON blob from a research paper metadata API that looks like '{"paper":{"author":{"last":"Turing"}}}' — pull out the value at path 'paper.author.last' for me.”
Read config value from nested settings
“Here's a config JSON: '{"settings":{"database":{"host":"localhost"}}}' — what's the value at 'settings.database.host'?”
Retrieve nested API response field
“I got a big JSON response from an API and I need the value at 'results.items.0.title' — the full JSON is this string: '{"results":{"items":[{"title":"Climate Study 2024"}]}}'.”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/json-path-research?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call way to extract a single field from a JSON document using dot notation, especially within research or data-analysis workflows. It is ideal for agents processing structured API responses, configuration blobs, or document metadata where only one specific nested value is needed.
Side effects
- Path not found in JSON — returns null or error if the key does not exist at the specified path
- Invalid JSON string — returns parse error if the input is not valid JSON
- Malformed path — dot-separated path with empty segments or invalid characters may not resolve correctly
- Type mismatch — attempting to traverse into a non-object value mid-path will fail
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| json | string | |
| path | string |
Tags
x402
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