Index onlineMerchant portal
Api Endpoint

SpringSwap Convert

Fiat currency converter and international pricing calculator. Perform instant conversions for any base amount between 30+ fiat currencies with official real-time ECB rates. Returns the exact converted sum, forward exchange rate, and the inverse exchange rate for clear cross-currency financial auditing.

Open interactive test console

Offering

Provider
vibesprings.net
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://vibesprings.net/api/exchange/convert
MIME type
application/json
First seen
2026-10-16T01:50:14.534Z
Last seen
Tags
Currency, conversion, forex, exchange-rates, Finance

Website

Payment pricing

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

Payment option 1
0.002 USDC
Atomic price: 2000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "payTo": "0x38C063312719220c676E988f0DEE14B4ec0e44C8"
  }
]

Observed health

Status
Healthy
Latest latency
96 ms
Average latency
216 ms
HTTP status
402
Last checked
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

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "from": {
          "type": "string",
          "description": "Source base currency ISO code (e.g. USD, EUR, GBP)"
        },
        "to": {
          "type": "string",
          "description": "Target currency ISO code to convert into (e.g. JPY, CHF)"
        },
        "amount": {
          "type": "string",
          "description": "Base amount to convert (numeric string, default: 1)"
        }
      },
      "required": [
        "from",
        "to"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "to": "JPY",
    "date": "2025-01-15",
    "from": "GBP",
    "rate": 188.5,
    "amount": 1500,
    "source": "ECB",
    "inverseRate": 0.005305,
    "convertedAmount": 282750
  }
}