Index onlineMerchant portal
Api Endpoint

EchoVault

Stores a message and returns a UUID handle for later retrieval via a POST request.

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Offering

Provider
x402-echo-service.fly.dev
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
General Utilities
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://x402-echo-service.fly.dev/api/echo
MIME type
Not provided
First seen
2026-10-16T01:59:37.852Z
Last seen
Tags
None supplied

Website

Payment pricing

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

Payment option 1
10000 atomic units
Atomic price: 10000 · Network: base · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "base",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0xcB399BBed205aE963AB2F5Cc5Fa1B3c1Fba7f916"
  }
]

Observed health

Status
Healthy
Latest latency
29 ms
Average latency
432 ms
HTTP status
204
Last checked
Reachability
85.7% over 14 checks

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

Input schema

{
  "type": "http",
  "method": "POST",
  "bodyType": "json",
  "bodyFields": {
    "message": {
      "type": "string",
      "required": true,
      "description": "A message to store"
    }
  },
  "discoverable": true
}

Output schema

{
  "id": {
    "type": "string",
    "description": "UUID handle for retrieving the stored message"
  }
}