Index onlineMerchant portal
Api Endpoint

Factline

Currency exchange rates and FX conversion, official ECB reference rates for USD, EUR, GBP, JPY and 25 more. Use to convert an amount between currencies with an official, citable rate: the European Central Bank's reference rates for about 30 currencies (USD, GBP, JPY, CHF, CNY...), cross rates computed from the euro rates, today or for a past date such as an invoice date. Input: base (default EUR), symbols, amount, optional date.

Open interactive test console

Offering

Provider
factline.dev
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://factline.dev/v1/fx/rate
MIME type
Not provided
First seen
2026-10-16T01:50:24.663Z
Last seen
Tags
FX, exchange-rate, Currency, currency-conversion, forex

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
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0xb58dd178abac67f6d4894437a7fc725cbddb2075"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000",
    "payTo": "fyqifu7otDYanhqr84B9YzZfA5LwRTJ1uFLqDJinMTK"
  }
]

Observed health

Status
Healthy
Latest latency
840 ms
Average latency
893 ms
HTTP status
200
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

{
  "additionalProperties": false,
  "properties": {
    "method": {
      "enum": [
        "GET"
      ],
      "type": "string"
    },
    "queryParams": {
      "properties": {
        "amount": {
          "description": "Amount in the base currency, default 1",
          "type": "string"
        },
        "base": {
          "description": "3-letter currency code to convert from, default EUR (e.g. USD)",
          "type": "string"
        },
        "date": {
          "description": "Optional date YYYY-MM-DD in the last 90 days, e.g. an invoice date",
          "type": "string"
        },
        "symbols": {
          "description": "Currencies to convert to, comma separated (e.g. EUR,GBP,JPY); empty = all ~30",
          "type": "string"
        }
      },
      "type": "object"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "amount": {
              "description": "Amount in the base currency, default 1",
              "type": "string"
            },
            "base": {
              "description": "3-letter currency code to convert from, default EUR (e.g. USD)",
              "type": "string"
            },
            "date": {
              "description": "Optional date YYYY-MM-DD in the last 90 days, e.g. an invoice date",
              "type": "string"
            },
            "symbols": {
              "description": "Currencies to convert to, comma separated (e.g. EUR,GBP,JPY); empty = all ~30",
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}