Index onlineMerchant portal
Api Endpoint

app.heinrichstech.com

BitBooth echo endpoint — pays a tiny USDC fee, returns a JSON echo. Reference implementation of the x402 + CDP Facilitator + Bazaar discovery loop.

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Offering

Provider
app.heinrichstech.com
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://app.heinrichstech.com/v1/cdp/echo
MIME type
application/json
First seen
2026-10-16T01:50:19.913Z
Last seen
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
Payment option 2
0.001 USDC
Atomic price: 1000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Payment option 3
10000 atomic units
Atomic price: 10000 · Network: stellar:pubnet · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0xDa2F35d283c42dd60B965322394bc658a5c1769F"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000",
    "payTo": "EDtPHNFA6ofGQZPb8NYUxdTkqVwCfkWJzRCg8vQXkYBL"
  },
  {
    "scheme": "exact",
    "network": "stellar:pubnet",
    "asset": "USDC",
    "amount": "10000",
    "payTo": "GCB5WZT5VCBBATGMQMTB6TLUXD6KQC6N5ITRWK3CCP4J3YOCE45FA2GO"
  }
]

Observed health

Status
Reachable
Latest latency
43 ms
Average latency
45 ms
HTTP status
403
Last checked
Reachability
100% over 15 checks

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

Input schema

{
  "type": "object",
  "additionalProperties": false,
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "properties": {
    "type": {
      "const": "http",
      "type": "string"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "properties": {
        "message": {
          "type": "string",
          "description": "Optional string to echo back in the response. Max 500 chars.",
          "maxLength": 500
        }
      }
    }
  }
}

Output schema

{
  "type": "object",
  "required": [
    "type"
  ],
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object"
    }
  }
}