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AgentDiet JSON Validator
x402
AgentDiet JSON Validator is a paid API for AI agents from mcp-gateway.agentdiet.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-22).
Validates raw JSON strings and returns parsed structure with compression metrics via a pay-per-call x402 endpoint.
Price / call$0.002
Success—
StatusUnknown
How this service works
Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://mcp-gateway.agentdiet.dev settling in USDC on Base.
Output
Returns a JSON object with a 'status' field ('ok' or error), a 'data' field containing the parsed JSON object, and an 'roi_proof' object including a compression_ratio_pct metric indicating how efficiently the input was processed.
Example use cases
Pre-flight API payload check
“Before I send this config object to the deployment API, can you validate that it's valid JSON? Here it is: '{"env":"production","replicas":3,"image":"myapp:latest"}'”
Debug malformed JSON response
“I got this string back from a third-party service and I'm not sure if it's valid JSON — can you check it and tell me what's wrong? Here's the string: '{"id":1,"name":"test","tags":["a","b"]}'”
Verify user-submitted JSON config
“A user submitted this JSON configuration in our app — can you validate it and return the parsed structure so I know it's safe to use? The input is: '{"threshold":0.85,"mode":"strict","filters":[]}'”
Technical details
Endpoint
GEThttps://mcp-gateway.agentdiet.dev/v1/json-validator?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-use JSON validation service that is accessible to AI agents via x402 micropayments on Base/USDC, without requiring API key management. Suitable for agent workflows that need on-demand JSON verification at low cost ($0.002/call).
Side effects
- Invalid or malformed JSON input returns a non-ok status
- Missing required 'input' field causes request rejection
- Incorrect 'type' value (must be 'http') causes schema validation failure
- Empty or null raw_json query parameter may return an error or empty data
- Network timeout if gateway is overloaded
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {},
"status": "ok",
"roi_proof": {
"compression_ratio_pct": 91.4
}
}
}Tags
x402
Reviews
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