Api Endpoint

EchoPay

Returns the submitted payload verbatim after a required exact USD Coin payment on network eip155:8453 (max timeout 300s).

Open interactive test console

Offering

Provider: hello-world-x402.vercel.app
Method: POST
Offering type: Api Endpoint
Transport type: http
Category: Blockchain And Crypto
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://hello-world-x402.vercel.app/echo
MIME type: Not provided
First seen: 2026-10-16T01:59:37.852Z
Last seen: 2026-10-27T23:27:15.827Z
Tags: None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x2a47E248ee3B5f3e680b5F6B5832E5EF1206b7e3"
  }
]

Observed health

Status: Healthy
Latest latency: 62 ms
Average latency: 121 ms
HTTP status: 200
Last checked: 2026-11-04T07:22:14.837Z
Reachability: 100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{}

Output schema

null