agentutility(7)$ man exchange-rates
/exchange-rates
PRICE / CALL
$0.002
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
edgefinanceCATEGORY
uncategorized
STATUS
● live
NAME
exchange-rates — exchange rates
SYNOPSIS
POST https://x402.agentutility.ai/exchange-rates
Content-Type: application/json
X-PAYMENT: <signed-transferWithAuthorization>
{ ... }↳ first call →
402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.DESCRIPTION
Exchange rates. Latest or historical FX rates between currencies, sourced from the European Central Bank (Frankfurter API). 30+ currency pairs. Optional amount conversion. No commercial restrictions. Specify a base currency (default USD), an optional quote currency or list, an optional date (YYYY-MM-DD or 'latest'), and an optional amount to also receive a converted value when a single quote is supplied.
INPUT — request schema
| property | type | description | req? |
|---|---|---|---|
| base | string | ISO 4217 base currency code (e.g. 'USD', 'EUR'). Default 'USD'. | optional |
| quote | any | Single ISO 4217 quote currency, or array of codes. Omit for all available rates. | optional |
| date | string | 'latest' (default) or a historical date in YYYY-MM-DD format. | optional |
| amount | number | Optional amount in the base currency. When a single quote is supplied, the response includes the converted amount. | optional |
OUTPUT — response shape
| field | type | description |
|---|---|---|
| base | string | Base currency code used for the returned rates (e.g. USD, EUR), echoing the request's base parameter. |
| date | string | Date of the rates in YYYY-MM-DD format; resolves to the latest ECB publication date when 'latest' was requested. |
| rates | string | Object mapping quote currency codes to their exchange rate against the base currency on the given date. |
| source | string | Upstream data provider label, identifying the European Central Bank via the Frankfurter API. |
EXAMPLES — two ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.agentutility.ai/exchange-rates \
-H 'Content-Type: application/json' \
-d '{ }'first response =
402 Payment Required with payment requirements; sign + retry with X-PAYMENT.EXAMPLE 2 · mcp
# Install the MCP package for this endpoint's cluster npx -y @agentutility/mcp-<cluster> # Required: EVM private key with USDC on Base export X402_PRIVATE_KEY=0x... # Then call the exchange-rates tool from your MCP-aware agent.
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
- tags
- edge-financeforexexchange-ratescurrency-converterfx-ratesecb-rateshistorical-ratesfrankfurter
- methods
- POST
- cluster
- edgefinance
- price
- $0.002 USDC per call
ADJACENT — other endpoints in edgefinance
| endpoint | description | price |
|---|---|---|
| kalshi-markets | Lists live Kalshi event contract markets from api.elections.kalshi.com, with filters for status, series ticker, event ticker, free-text q… | $0.005 |
| market-filter | Filters Polymarket prediction markets by query, category, tag, liquidity, open/closed status, and sort order, on a demand-matching route. | $0.005 |
| markets | Lists and searches Polymarket prediction markets, backed by gamma-api public market data under an exact buyer-demand slug. | $0.005 |
| polymarket-filter | Polymarket filter API / filter prediction markets by category, query, tag, status, liquidity, and sort order. | $0.005 |
| polymarket-leaderboard | Returns the Polymarket leaderboard: top accounts by realized profit OR notional volume over 1d/1w/1m/all-time windows. | $0.005 |
| polymarket-markets | Lists live Polymarket prediction markets from gamma-api, with filters for category, tag, free-text query, and minimum liquidity. | $0.005 |
| polymarket-search | Searches Polymarket prediction markets by question, description, and slug over the returned market page, with optional category/tag/liqui… | $0.005 |
| polymarket-trades | Recent trades from any Polymarket market (by slug or conditionId) or for a specific wallet. | $0.005 |
SEE ALSO