Index onlineMerchant portal
Api Endpoint

PowaHub

Mid-market reference rate for a base/quote currency pair, from the European Central Bank.

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Offering

Provider
api.powahub.ai
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://api.powahub.ai/CertainData/fx-rate/fx/:base/:quote
MIME type
application/json
First seen
2026-10-16T01:50:24.663Z
Last seen
Tags
FX, Rate, Quote, Exchange Rate

Website

Payment pricing

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

Payment option 1
0.007 USDC
Atomic price: 7000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "7000",
    "payTo": "0x9A4fb84633C690e422c33491D1FCC319849E6BB0"
  }
]

Observed health

Status
Healthy
Latest latency
830 ms
Average latency
1296 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",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "date": {
          "type": "string",
          "description": "Optional. A specific date (YYYY-MM-DD) for a historical rate, e.g. 2026-01-01. Omit for the latest."
        }
      }
    },
    "pathParams": {
      "type": "object",
      "properties": {
        "base": {
          "type": "string",
          "description": "Base currency as a 3-letter ISO code, e.g. EUR."
        },
        "quote": {
          "type": "string",
          "description": "Quote currency as a 3-letter ISO code, e.g. USD."
        }
      },
      "required": [
        "base",
        "quote"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "pathParams"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "pathParams": {
          "properties": {
            "base": {
              "description": "Base currency as a 3-letter ISO code, e.g. EUR.",
              "type": "string"
            },
            "quote": {
              "description": "Quote currency as a 3-letter ISO code, e.g. USD.",
              "type": "string"
            }
          },
          "required": [
            "base",
            "quote"
          ],
          "type": "object"
        },
        "queryParams": {
          "properties": {
            "date": {
              "description": "Optional. A specific date (YYYY-MM-DD) for a historical rate, e.g. 2026-01-01. Omit for the latest.",
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "pathParams"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}