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Home › x402 pay-per-call APIs › SchemaCheck Agent

SchemaCheck Agent

Validate JSON against a JSON Schema. Checks LLM and agent output and API request payloads, returning structured errors with error codes, JSONPath locations, and a plain-English summary. Optional automatic repair of invalid payloads.

Visit projectx402-production.up.railway.app

Hostprojectx402-production.up.railway.app
Price$0.002 per call
NetworkBase
Paid endpoints listed1
Calls, last 30 days*5
Most unique payers on one endpoint (30 days)*4
Last paid call*2026-10-14
Tagsjson, json-schema, validation, validate, schema

* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.

Endpoints

URLMethodPrice
https://projectx402-production.up.railway.app/v1/schema-check
Validate JSON against a JSON Schema. Checks LLM and agent output and API request payloads, returning structured errors…
POST$0.002

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

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