---
title: "B2B Payment Validation (x402 solution)"
method: POST
path: "/x402/v2/solutions/payment-validate"
tags: ["x402"]
---

# B2B Payment Validation (x402 solution)

`POST /x402/v2/solutions/payment-validate`

## Request

- Base URL: `https://api.strale.io`
- URL: `https://api.strale.io/x402/v2/solutions/payment-validate`
- Auth: none required

Verify bank details and tax IDs before your agent processes a payment. IBAN validation, bank identification, and counterparty VAT check.

## Request body

- object
  - `iban` string, required
  - `vat_number` string, required

## Response `200`

Success

## Other responses

- `402`: Payment required (x402 — pay with USDC on Base)

---

[API](https://skmtc.dev/strale/apis/strale-api-2.md) · [All operations](https://skmtc.dev/strale/apis/strale-api-2/llms.txt) · [OpenAPI document](https://skmtc.dev/strale/apis/strale-api-2/revisions/a5293878cfc6?raw)