Forex pairs API, all FX cross rates

From $0.01 per successful call · failed calls are never charged · no account needed · Markdown version: /guides/forex-pairs-api.md

All FX pairs in one call: cross rates for every pair among the major currencies (USD, EUR, GBP, JPY, CHF, CAD, AUD, CNY) or up to 12 chosen ones, from the European Central Bank's daily reference rates, with the date they apply to. Use to fill a forex rate table, convert between many currencies at once, or check a cross rate. Reference mid rates, not live bid/ask.

All FX pairs, forex cross rates $0.01

All FX pairs in one call: cross rates for every pair among the major currencies (USD, EUR, GBP, JPY, CHF, CAD, AUD, CNY) or up to 12 chosen ones, from the European Central Bank's daily reference rates, with the date they apply to. Use to fill a forex rate table, convert between many currencies at once, or check a cross rate. Reference mid rates, not live bid/ask.

Inputs: currencies: Optional comma-separated currency codes (2-12); default the eight majors.

Free first (25 successful calls per caller, no key):

curl "https://agent-data-tools.revmesh2074.workers.dev/fx/all?currencies=USD%2CEUR%2CGBP&trial=1"

With a card key from /credits, in a header or, when your client can only fetch a URL, in the URL:

curl -H "Authorization: Bearer adt_…" "https://agent-data-tools.revmesh2074.workers.dev/fx/all?currencies=USD%2CEUR%2CGBP"
curl "https://agent-data-tools.revmesh2074.workers.dev/fx/all?currencies=USD%2CEUR%2CGBP&api_key=adt_…"

Without a key the same URL answers 402 Payment Required with x402 and MPP terms, so a wallet client pays USDC per call and retries. Over MCP (https://agent-data-tools.revmesh2074.workers.dev/mcp) this tool is fx_all.

Example result
{
  "rateDate": "2026-11-05",
  "currencies": [
    "USD",
    "EUR",
    "GBP"
  ],
  "count": 6,
  "pairs": {
    "USD/EUR": 0.86,
    "USD/GBP": 0.76,
    "EUR/USD": 1.16279,
    "EUR/GBP": 0.883721,
    "GBP/USD": 1.31579,
    "GBP/EUR": 1.13158
  },
  "source": "Source: ECB statistics (euro foreign exchange reference rates via Frankfurter), one rate per working day around 16:00 CET; reference mid rates, not tradable bid/ask quotes.",
  "checkedAt": "2026-11-05T16:30:00.000Z"
}

Tool page, inputs and limits

FX symbols, currency list $0.01

FX symbols: the list of currencies with daily European Central Bank reference rates (about 30), each with its ISO 4217 code and English name, plus how many pairs they make. Use to check which currencies /fx and /fx/all can convert before calling them, or to fill a currency picker.

Inputs: .

Free first (25 successful calls per caller, no key):

curl "https://agent-data-tools.revmesh2074.workers.dev/fx/symbols?format=json&trial=1"

With a card key from /credits, in a header or, when your client can only fetch a URL, in the URL:

curl -H "Authorization: Bearer adt_…" "https://agent-data-tools.revmesh2074.workers.dev/fx/symbols?format=json"
curl "https://agent-data-tools.revmesh2074.workers.dev/fx/symbols?format=json&api_key=adt_…"

Without a key the same URL answers 402 Payment Required with x402 and MPP terms, so a wallet client pays USDC per call and retries. Over MCP (https://agent-data-tools.revmesh2074.workers.dev/mcp) this tool is fx_symbols.

Example result
{
  "count": 2,
  "symbols": [
    {
      "code": "EUR",
      "name": "Euro"
    },
    {
      "code": "USD",
      "name": "United States Dollar"
    }
  ],
  "pairs": 2,
  "source": "Source: ECB statistics (euro foreign exchange reference rates via Frankfurter), one rate per working day around 16:00 CET; reference mid rates, not tradable bid/ask quotes.",
  "checkedAt": "2026-11-05T16:30:00.000Z"
}

Tool page, inputs and limits

Questions

How do I pay?

Each successful call costs the tool's price; failed calls are not charged. The first 25 calls are free. Then pay with card credits from $1 (the key goes in an Authorization header or as api_key= in the URL) or per call in USDC over x402 or MPP. No account is needed.