FaultCode Diagnostics - lookup_dtcGET /v1/device/catalog/dtcs/P0300 · x402 API by faultcode-diagnostic-mcp
FaultCode Diagnostics - lookup_dtc. $0.005 USDC per call. Source-attributed definitions for one P/B/C/U code, plus its real appearances in official manufacturer documents when no definition exists. Charged only when the catalog returns a definition or document evidence: a code it has neither of is answered in full and costs $0.
What does this x402 API do?
FaultCode Diagnostics - lookup_dtc. This is an x402-gated GET API resource from faultcode-diagnostic-mcp. TOLL·402 records origin and cross source evidence as of 2026-08-25. The listing records $0.005 USD-denominated per request on Base. No settled paid call has been verified.
- Published price
- $0.005 USD-denominated per request
- Networks
- Base
- Latest evidence
- TOLL·402 records origin and cross source evidence as of 2026-08-25
- Resource ID
- f895e685c10edd31f514cb3c
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://faultcode-diagnostic-mcp.bowling-anthony.workers.dev/v1/device/catalog/dtcs/P0300", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Exact route checked
http 402 invalid · accept-0:resource-mismatch
- Origin reachable
HEAD https://faultcode-diagnostic-mcp.bowling-anthony.workers.dev/ returned 404.
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Observed in 402-index
Discovered through bazaar.
- Registry record checked
Registry health: healthy.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is $0.005 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.