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apiacre.com developer x402-preflight
https://apiacre.com/v1/developer/x402-preflight
payable
Probe a public endpoint without paying and return an x402 v2 compliance grade, protocol evidence, and actionable remediation.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.05
- Network
- base
- Pay to
- 0xa0BFa4f07281c9b248DC3AED2217836BcA24869B
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 136 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:09:59.062Z (1d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapiacre.com%2Fv1%2Fdeveloper%2Fx402-preflight"