the402 endpoint detail

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vixilabs-x402-stage.valerioreden.workers.dev openapi tool-compile

https://vixilabs-x402-stage.valerioreden.workers.dev/v1/openapi/tool-compile

payable

Convert OpenAPI 3.0/3.1 operations into deterministic OpenAI, Anthropic, or MCP tool definitions.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.003
Network
base-sepolia
Pay to
0xd78522D5B43bd0a934e333ef5B5c0F70F683dD4e
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
119 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:11:09.851Z (3d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fvixilabs-x402-stage.valerioreden.workers.dev%2Fv1%2Fopenapi%2Ftool-compile"