FastX402 Currency Pair Rate

x402

FastX402 Currency Pair Rate is a paid API for AI agents from fastx402.tools, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-27).

Returns the current exchange rate between two currency codes (e.g. USD to EUR) as a pay-per-call lookup.

Price / call$0.002

Seller volume →—

Success—

StatusUnknown

How this service works

200 pay-per-call tools for AI agents, from $0.001 per request in USDC on Base or Solana with x402. No account, no API key.

Output

A JSON object containing the base currency code, quote currency code, the numeric exchange rate (how many units of quote per 1 unit of base), and the date of the rate.

Example use cases

Invoice currency conversion check

“My invoice is in GBP but I need to pay in USD — what's the current GBP to USD exchange rate?”

Travel budget planning

“I'm heading to Japan next month. What's the current USD to JPY exchange rate so I can figure out my budget?”

Automated multi-currency pricing

“What's the live EUR to CHF rate right now? I need to update pricing on our Swiss storefront.”

Technical details

Endpoint

GEThttps://fastx402.tools/currency-pair-rate?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need a simple, real-time spot exchange rate between two standard currency codes without an API key or account setup, especially when operating in a pay-per-call agent context using x402 micropayments on Base or Solana.

Side effects

Invalid or unsupported currency code returns an error (e.g. unknown three-letter code)
Missing required query parameters (base or quote) results in a 400-level error
Payment failure or insufficient USDC balance causes a 402 Payment Required response
Network or upstream data provider unavailability may return a 5xx error

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "base": "USD",
    "date": "2026-01-15",
    "rate": 0.8621,
    "quote": "EUR"
  }
}

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