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VM5 OpenAPI Lint — x402 Micropayment Template
x402
VM5 OpenAPI Lint — x402 Micropayment Template is a paid API for AI agents from vm5-openapi-x402.onrender.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-19).
Returns a verified OpenAPI YAML starter template and Redocly lint rule disclosure for building x402-compatible APIs, with micropayment via the x402 protocol.
Price / call$0.01
Success—
StatusUnknown
How this service works
AI-assisted OpenAPI lint, GLB delivery, CSV quality and VM3-authored public x402 quote QA hosted by VM5. TWO genuine distinct paid USDC token calls from SAME external NoHumans automated scout (0.01+0.005=0.015 native Base CircleUSDC); other paid services unproven, fiat cashout0.
Output
Returns a JSON object containing: a boolean `ok` status, a `paid` flag, the `kind` identifier (`x402_v2_openapi_starter`), a YAML-format OpenAPI template string (`openapiTemplate`) with placeholder hosts to replace, an optional `redocly` object with lint rules, a `disclosure` string, the `chargedUSDC` amount (e.g. '0.01'), and optionally the `network` chain ID (e.g. 'eip155:8453').
Example use cases
Bootstrap a pay-per-call API spec
“I'm building a new REST API that charges per request using x402 — can you grab the verified OpenAPI YAML template from the VM5 lint service so I have a proper starting point?”
Check Redocly lint rules disclosure
“What Redocly rules does the VM5 OpenAPI linter actually enforce? Fetch the template response so I can see the pinned rule set being used.”
Validate my x402 API spec structure
“I want to see an example of a correctly structured x402 OpenAPI spec — fetch the VM5 starter template so I can compare it against what I've built.”
Technical details
Endpoint
GEThttps://vm5-openapi-x402.onrender.com/v1/x402-template?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a ready-made, Redocly-validated OpenAPI YAML template specifically designed for x402 micropayment APIs, and want transparent disclosure of which lint rules are applied. It is particularly useful when bootstrapping a pay-per-call API and wanting a conformant spec as a starting point. Note: on-chain payment settlement is experimental and not fully tested in production.
Side effects
- Payment not settled on-chain — endpoint notes real on-chain payment settlement has NOT been tested, so payment confirmation may be unreliable
- Render.com cold start may cause slow or failed responses if service is sleeping
- Non-GET methods return errors since only GET is accepted
- Missing x402 payment header may result in a 402 Payment Required response without delivering the template
- Network/chain ID mismatch if client sends payment on wrong chain
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"kind": "x402_v2_openapi_starter",
"paid": true,
"network": "eip155:8453",
"redocly": {
"errors": 0,
"warnings": 0
},
"chargedUSDC": "0.01",
"templateFormat": "YAML",
"openapiTemplate": "openapi: 3.0.3"
}
}Tags
x402
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