Tool detail

BTC exchange rates

Returns BTC-denominated exchange rates for about 60 crypto, fiat and commodity units, optionally filtered by unit or type.

Categories: Market prices, Currency exchange

Use when

convert between BTC and about 60 crypto, fiat or commodity units
build a cross-rate table such as ETH/BTC or USD/JPY via BTC

Not for

not for non-BTC base pairs directly — all rates are BTC-denominated
not real-time tick data — cached in-process for 60 seconds

Inputs

GET query params: currencies (comma-separated unit codes, optional); type (crypto/fiat/commodity, optional)

Admitted input schema

{
  "type": "object",
  "properties": {
    "currencies": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Optional comma-separated unit codes to keep (usd, eur, eth, xau, ...). Default: all."
    },
    "type": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Optional filter: crypto, fiat or commodity."
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://agent402.tools/api/exchange-rates

Payment

Protocol: x402
Listed price: 0.005 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://agent402.tools/api/exchange-rates
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z