← All endpoints
api.strale.io x402 invoice-validate
https://api.strale.io/x402/invoice-validate
payable
Validate invoice data: VAT number format, line item math, tax calculations, EU compliance requirements.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0x66D7C2F952362BFB24FD7F02a9beC9c754ea83bC
- Spec dialect
- v1 (declares x402Version 1)
- Transport
- JSON response body
- HTTP method
- POST
- Response latency
- 40 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:16:30.837Z (1d ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.strale.io%2Fx402%2Finvoice-validate"