---
title: "Quote an external x402 seller"
method: POST
path: "/x402/quote"
---

# Quote an external x402 seller

`POST /x402/quote`

## Request body

- object
  - `sellerUrl` string — External paid-resource URL to probe.
  - `sellerMethod` 'GET' | 'POST' — Use POST when the seller only returns 402 after receiving a public-safe request body.
  - `sellerBody` object — Public-safe sample payload for POST paid APIs. Do not include cookies, bearer tokens, private keys, card data, or account passwords.
  - `fromAsset` string
  - `fromNetwork` string
  - `paymentRequirement` object — Optional direct seller requirement if the caller already captured it.
  - `accepts` unknown[] — Optional direct x402 accepts array.
    - unknown

## Response `200`

Normalized third-party payment requirement and conversion handoff.

## Other responses

- `400` — Bad external seller quote request.

---

[API](https://skmtc.net/wiselyenterprisesllc/apis/wisely-x402-agent-payment-infrastructure.md) · [All operations](https://skmtc.net/wiselyenterprisesllc/apis/wisely-x402-agent-payment-infrastructure/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/wiselyenterprisesllc/wisely-x402-agent-payment-infrastructure/versions/6cab684bba35/schema)