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whatchuneed Exchange Rate API
x402
whatchuneed Exchange Rate API is a paid API for AI agents from whatchuneed.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Fetches current foreign exchange rates for a base currency against one or more target currencies
Price / call$0.01
Success—
StatusUnknown
How this service works
320+ pay-per-call API endpoints across accommodation, LLM, code execution, crypto, medical, finance, and more. One API, one payment. Powered by x402 protocol.
Output
Returns a JSON object with the base currency code, a map of target currency codes to their current exchange rates relative to the base, and a timestamp indicating when the rates were fetched.
Example use cases
Multi-currency travel budget planner
“I'm traveling to Japan, the UK, and France next month — can you get me the current exchange rates for USD against JPY, GBP, and EUR so I can estimate my budget?”
E-commerce international pricing
“We sell products in USD and need to display prices in CAD, AUD, and MXN on our website — can you pull the latest exchange rates for USD against those three currencies?”
Crypto portfolio fiat valuation
“I want to know what my crypto holdings are worth in GBP terms — can you get the current exchange rate for USD to GBP so I can convert my USD-denominated balances?”
Technical details
Endpoint
POSThttps://whatchuneed.vercel.app/api/util/exchange-rateWhen to prefer
Choose this endpoint when you need a quick, pay-per-call currency exchange rate lookup without committing to a subscription-based forex API. Ideal for agents that need spot exchange rates infrequently or across multiple currency pairs in a single call. Best when you want multi-target rates in one request rather than making separate calls per currency pair.
Side effects
- Unsupported or invalid currency code for base field returns an error
- Empty or malformed targets array may return rates for all available currencies or an error
- Network/upstream data provider outage causes stale or unavailable rates
- Rate limiting may occur with high-frequency calls
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| baserequired | string | |
| targets | array |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| base | string | |
| rates | object | |
| timestamp | string |
Tags
x402
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